TME (Thermomanagement): fault codes
All 618 fault codes of the Porsche Panamera (971, 2017–2023) TME (Thermomanagement) with the manufacturer's names. How to read and clear them with STEUER14.
| Code | Fault |
|---|---|
| B109E13 | A/C compressor run-in - open circuit |
| B109E85 | A/C compressor run-in - refrigerant pressure difference too low |
| B109EF0 | Electric air-conditioning compressor (V470), not taught |
| B109F21 | A/C compressor run-in, compressor speed - below lower limit value |
| B109F22 | A/C compressor run-in, compressor speed - above upper limit value |
| B10ABF0 | Refrigerant circuit – pressure too low |
| B10ACF0 | Refrigerant circuit – pressure too high |
| B10AE04 | Refrigerant circuit sensor on high pressure side (PT1) – fault |
| B10AE31 | Refrigerant circuit sensor on high pressure side (PT1) – no communication |
| B10C222 | Refrigerant circuit – temperature too high |
| B10C2F0 | Sensor for refrigerant pressure and temperature, Sensor 3 interchanged with sensor 4 |
| B10CD00 | Function restriction due to energy management |
| B10D004 | Coolant pump - mechanical fault |
| B10D031 | Coolant pump - no signal |
| B10D098 | Coolant pump - temperature too high |
| B10D0F0 | Coolant pump - dry run |
| B138100 | Function restriction due to energy management |
| B139700 | Function restriction, crash signal |
| B145316 | Electric A/C compressor – function restriction due to undervoltage |
| B145317 | Electric A/C compressor – function restriction due to overvoltage |
| B14534B | Electric A/C compressor – function restriction due to overtemperature protection |
| B1453F0 | Electric air-conditioning compressor (V470) - motor, high-voltage supply error |
| B1453F1 | Electric A/C compressor – power output fault |
| B1453F2 | Electric air-conditioning compressor (V470), temperature shutdown |
| B1453F3 | Electric air-conditioning compressor (V470) – overload protection active |
| B148421 | LIN bus 1 – not taught |
| B148422 | LIN bus 1 – not taught |
| B148521 | LIN bus 2 – not taught |
| B148522 | LIN bus 2 – not taught |
| B158011 | Refrigerant cut-off valve 2, Short circuit to ground |
| B158012 | Shut-off valve 2 for refrigerant, Short circuit to B+ |
| B158013 | Shut-off valve 2 for refrigerant, Open circuit |
| B158104 | Electric interior heater (Z189), faulty |
| B158116 | Electric interior heater – voltage too low |
| B158117 | Electric interior heater – voltage too high |
| B158129 | Electric interior heater – signal implausible |
| B158131 | Electric interior heater – no communication |
| B15814A | Electric interior heater – part number implausible |
| B158192 | Electric interior heater – fault |
| B158198 | Electric interior heater, 12 V electronics – temperature too high |
| B1581F0 | Electric interior heater – temperature 1 too high |
| B1581F1 | Electric interior heater – temperature 2 too high |
| B1581F2 | Electric interior heater, 12 V electronics – current too high |
| B168A01 | Electric interior heater – electrical fault |
| B168A16 | Electric interior heater – voltage too low |
| B168A17 | Electric interior heater – voltage too high |
| B168AF0 | Electric interior heater – heating circuit 1 faulty |
| B168AF1 | Electric interior heater – heating circuit 2 faulty |
| B168AF2 | Electric interior heater – heating circuit 3 faulty |
| B16A107 | Evaporator for passenger compartment - iced up |
| B16A111 | Refrigerant circuit shutoff valve (AVK8) – short circuit to ground |
| B16A112 | Refrigerant circuit shutoff valve (AVK8) – short circuit to B+ |
| B16A113 | Refrigerant circuit shut-off valve (AVK8) – open circuit |
| B16A119 | Refrigerant circuit shut-off valve (AVK8) – current too high |
| B16A14B | Refrigerant circuit shut-off valve (AVK8) – temperature too high |
| B16A1F0 | Evaporator for passenger compartment - iced up |
| B16A284 | Refrigerant circuit for passenger compartment cooling – pressure too low |
| B16A285 | Refrigerant circuit for passenger compartment cooling – pressure too high |
| B16A384 | Refrigerant circuit heat pump operation – pressure too low |
| B16A385 | Refrigerant circuit heat pump operation – pressure too high |
| B182C04 | Electric interior heater (Z189), internal error |
| B182C16 | Electric interior heater (Z189), 12V electronics, voltage too low |
| B182C17 | Electric interior heater (Z189), 12V electronics – voltage too high |
| B182C29 | Electric interior heater (Z189), signal implausible |
| B182C31 | Electric interior heater (Z189), no communication |
| B182C4A | Electric interior heater (Z189), part number implausible |
| B182C92 | Electric interior heater (Z189), internal error |
| B182C98 | Electric interior heater (Z189), 12V electronics, temperature too high |
| B182CF0 | Electric interior heater (Z189), coolant input temperature too high |
| B182CF1 | Electric interior heater (Z189), coolant output temperature too high |
| B182CF2 | Electric interior heater (Z189) - 12V electronics, current too high |
| B182CF3 | Electric interior heater (Z189) 800V electronics, electrical error |
| B182CF4 | Electric interior heater (Z189) - 800V electronics, pilot line error |
| B182D01 | Electric interior heater (Z189) 800V electronics, electrical error |
| B182D16 | Electric interior heater (Z189) - 800V electronics, voltage too low |
| B182D17 | Electric interior heater (Z189) - 800V electronics, voltage too high |
| B182DF0 | Electric interior heater (Z189) - 800V electronics, heating circuit 1 faulty |
| B182DF1 | Electric interior heater (Z189) - 800V electronics, heating circuit 2 faulty |
| B182DF2 | Electric interior heater (Z189) - 800V electronics, heating circuit 3 faulty |
| B182DF3 | Electric interior heater (Z189), temperature implausible |
| B182DF4 | Electric interior heater (Z189), coolant input temperature implausible |
| B182DF5 | Electric interior heater (Z189), coolant output temperature implausible |
| B184C00 | Release active |
| B1903F0 | Refrigerant circuit – fill quantity too low |
| B1903F1 | Refrigerant circuit – fill quantity too high |
| B1DA5F2 | Low-temperature circuit for high-voltage battery – cooling performance too low |
| B200041 | Ctrl. module faulty |
| B200500 | Coding |
| B201200 | Coding |
| B303B00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – electrical fault |
| B303D00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – short circuit to B+ |
| B3A0000 | A/C Refrigerant Distribution Valve Actuator "C" Stuck/Open |
| B3A0100 | A/C Refrigerant Distribution Valve Actuator "C" Control, Circuit/Open |
| B3A0200 | A/C Refrigerant Distribution Valve Actuator "C" Control, Circuit Low |
| B3A0300 | A/C Refrigerant Distribution Valve Actuator "C" Control, Circuit High |
| B3A0400 | A/C Refrigerant Distribution Valve "C" Control Circuit Driver, Current/Temperature Too High |
| B3A0500 | Refrigerant circuit shut-off valve (EAV5) – mechanical fault |
| B3A0600 | Refrigerant circuit shut-off valve (EAV5) – fault |
| B3A0700 | Refrigerant circuit shut-off valve (EAV5) – voltage too low |
| B3A0800 | Refrigerant circuit shut-off valve (EAV5) – voltage too high |
| B3A0900 | Refrigerant circuit shut-off valve (EAV5) – temperature too high |
| B3A0A00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – stuck open |
| B3A0C00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – short circuit to ground |
| B3A0E00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – temperature too high |
| B3A1100 | Expansion valve for evaporator, low-temperature circuit (EXV2) – fault |
| B3A1200 | Expansion valve for evaporator, low-temperature circuit (EXV2) – signal implausible |
| B3A1300 | Refrigerant circuit shut-off valve (EAV2) – fault |
| B3A1400 | Refrigerant circuit shut-off valve (EAV2) – temperature implausible |
| B3A1500 | Refrigerant circuit shut-off valve (EAV3) – fault |
| B3A1600 | Refrigerant circuit shut-off valve (EAV3) – temperature implausible |
| B3A1800 | A/C Refrigerant Distribution Valve "C" Actuator Temperature, Range/Performance |
| B3A1900 | Refrigerant circuit shut-off valve (EAV5) – fault |
| B3A1A00 | Refrigerant circuit shut-off valve (EAV5) – temperature implausible |
| B3A1B00 | High-voltage battery cooling refrigerant circuit - pressure too high |
| B3A1C00 | Refrigerant circuit – temperature too high |
| B3A3600 | Actuator for aerodynamic function, implausible temperature |
| C200100 | Coding |
| C200200 | Coding |
| P011600 | Coolant temperature sensor at engine outlet – signal implausible |
| P01E300 | Temperature sensor for high-temperature circuit (TW12) – open circuit |
| P01E400 | Temperature sensor for high-temperature circuit (TW12) – signal implausible |
| P01E500 | Temperature sensor for high-temperature circuit (TW12) – short circuit to ground |
| P01E600 | Temperature sensor for high-temperature circuit (TW12) – short circuit to B+ |
| P048000 | Right radiator fan (RF1), PWM signal line – electrical fault |
| P048100 | Left radiator fan (RF3) PWM signal line – electrical fault |
| P053000 | Refrigerant circuit sensor on high pressure side (PT1) – fault |
| P053100 | Refrigerant circuit sensor on high pressure side (PT1) – pressure implausible |
| P053400 | Refrigerant circuit – pressure too low |
| P053500 | A/C Evaporator Temperature Sensor Circuit |
| P053600 | A/C Evaporator Temperature Sensor Circuit, Range/Performance |
| P053700 | A/C Evaporator Temperature Sensor Circuit Low |
| P053800 | A/C Evaporator Temperature Sensor Circuit High |
| P056200 | Supply voltage - voltage too low |
| P056300 | Supply voltage too high |
| P059B00 | Servo motor for cooling-air flaps, right (SM1) – position implausible |
| P059F00 | Servo motor for cooling-air flaps, right (SM1) – blocked |
| P05A000 | Servo motor for cooling-air flaps, right (SM1) – mechanical fault |
| P05A100 | Servo motor for cooling-air flaps, right (SM1) – limit stops implausible |
| P05A300 | Servo motor for cooling-air flaps, right (SM1) – signal implausible |
| P05A600 | Servo motor for cooling-air flaps, right (SM1) – supply voltage implausible |
| P05AA00 | Servo motor for cooling-air flaps, left (SM2) – position implausible |
| P05AE00 | Servo motor for cooling-air flaps, left (SM2) – stuck closed |
| P05AF00 | Servo motor for cooling-air flaps, left (SM2) – mechanical fault |
| P05B000 | Servo motor for cooling-air flaps, left (SM2) – limit stops implausible |
| P05B200 | Servo motor for cooling-air flaps, left (SM2) – signal implausible |
| P05B500 | Servo motor for cooling-air flaps, left (SM2) – supply voltage implausible |
| P05C000 | Servo motor for cooling-air flaps, right (SM1) – temperature too high |
| P05C100 | Servo motor for cooling-air flaps, left (SM2) – temperature too high |
| P060300 | Control unit - function restriction |
| P060400 | Control unit - function restriction |
| P060500 | Control unit - function restriction |
| P060B00 | Control unit – internal error |
| P069100 | Right radiator fan (RF1), PWM signal line – short circuit to ground |
| P069200 | Right radiator fan (RF1), PWM signal line – short circuit to B+ |
| P069300 | Left radiator fan (RF3), PWM signal line – short circuit to ground |
| P069400 | Left radiator fan (RF3), PWM signal line – short circuit to B+ |
| P06B800 | Control unit - function restriction |
| P086400 | Engine electronics (DME) – signal implausible |
| P0C3200 | Low-temperature circuit for high-voltage battery – cooling performance too low |
| P0C4200 | Temperature sensor for low-temperature circuit (TME: TW7 / BMS: HV battery input) – open circuit |
| P0C4300 | Temperature sensor for low-temperature circuit (TME: TW7 / BMS: HV battery input) – signal implausible |
| P0C4400 | Temperature sensor for low-temperature circuit (TME: TW7 / BMS: HV battery input), short circuit to ground |
| P0C4500 | Temperature sensor for low-temperature circuit (TME: TW7 / BMS: HV battery input), short circuit to B+ |
| P0CD500 | Temperature sensor for low-temperature circuit (TME: TW8 / BMS: HV battery output) – open circuit |
| P0CD600 | Temperature sensor for low-temperature circuit (TME: TW8 / BMS: HV battery output) – signal implausible |
| P0CD700 | Temperature sensor for low-temperature circuit (TME: TW8 / BMS: HV battery output), short circuit to ground |
| P0CD800 | Temperature sensor for low-temperature circuit (TME: TW8 / BMS: HV battery output), short circuit to B+ |
| P0CDF00 | Coolant valve 1 for hybrid/high-voltage battery – electrical fault |
| P0CE000 | Coolant valve 1 for hybrid/high-voltage battery – stuck open |
| P0CE100 | Coolant valve 1 for hybrid/high-voltage battery – stuck closed |
| P0CE200 | Coolant valve 1 for hybrid/high-voltage battery – short circuit to ground |
| P0CE300 | Coolant valve 1 for hybrid/high-voltage battery – short circuit to B+ |
| P0CE900 | Coolant pump (P1) – open circuit |
| P0CEB00 | Coolant pump (P1) – short circuit to ground or open circuit |
| P0CEC00 | Coolant pump (P1) – short circuit to B+ |
| P0CEE00 | Temperature sensor for medium-temperature circuit (TW5) – open circuit |
| P0CEF00 | Temperature sensor for medium-temperature circuit (TW5) – signal implausible |
| P0CF000 | Temperature sensor for medium-temperature circuit (TW5) – short circuit to ground |
| P0CF100 | Temperature sensor for medium-temperature circuit (TW5) – short circuit to B+ |
| P0D1A00 | Hybrid/EV Battery Pack Coolant Control Valve "B", Control Circuit/Open |
| P0D1B00 | Hybrid/EV Battery Pack Coolant Control Valve "B", Performance/Stuck Off |
| P0D1C00 | Hybrid/EV Battery Pack Coolant Control Valve "B" Stuck On |
| P0D1D00 | Coolant valve 2 for hybrid/high-voltage battery – short circuit to ground |
| P0D1E00 | Hybrid/EV Battery Pack Coolant Control Valve "B" Control, Circuit High |
| P0D6800 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 1, electrical error |
| P0D6900 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 1, signal implausible |
| P0D6A00 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 1, electrical error |
| P0D6B00 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 1, electrical error |
| P0D6D00 | Electric air-conditioning compressor (V470) - motor, high-voltage supply too low |
| P0D6E00 | Electric air-conditioning compressor (V470) - motor, high-voltage supply too high |
| P0D6F00 | Electric air-conditioning compressor (V470) - motor, high-voltage current consumption too high |
| P0D7000 | Electric air conditioning compressor (V470) - temperature sensor, electrical error |
| P0D7100 | Electric air conditioning compressor (V470) - temperature sensor 1, implausible signal |
| P0D7200 | Electric air conditioning compressor (V470) - temperature sensor, electrical error |
| P0D7300 | Electric air conditioning compressor (V470) - temperature sensor, electrical error |
| P0D7400 | Electric air conditioning compressor (V470) - temperature sensor 1, implausible signal |
| P0D7A00 | Electric air-conditioning compressor (V470) - motor phase U, high-voltage current consumption too low |
| P0D7B00 | Electric air-conditioning compressor (V470) - motor phase U, high-voltage current consumption too high |
| P0D7C00 | Electric air-conditioning compressor (V470) - motor phase V, high-voltage current consumption too low |
| P0D7D00 | Electric air-conditioning compressor (V470) - motor phase V, high-voltage current consumption too high |
| P0D7E00 | Electric air-conditioning compressor (V470) - motor phase W, high-voltage current consumption too low |
| P0D7F00 | Electric air-conditioning compressor (V470), motor phase W, high-voltage current consumption too high |
| P0DE800 | Hybrid/EV Battery Pack Coolant Control Valve "C" Control, Circuit/Open |
| P0DE900 | Hybrid/EV Battery Pack Coolant Control Valve "C", Performance/Stuck Off |
| P0DEA00 | Hybrid/EV Battery Pack Coolant Control Valve "C" Stuck On |
| P0DEB00 | Hybrid/EV Battery Pack Coolant Control Valve "C" Control, Circuit Low |
| P0DEC00 | Hybrid/EV Battery Pack Coolant Control Valve "C" Control, Circuit High |
| P0E2000 | Solenoid valve for low-temperature circuit upstream of chiller (UVW1) – temperature too high |
| P0E2100 | Hybrid/EV Battery Pack Coolant Control Valve "B" Control, Circuit Driver Current/Temperature Too High |
| P0E2200 | Hybrid/EV Battery Pack Coolant Control Valve "C" Control, Circuit Driver Current/Temperature Too High |
| P0E7500 | Coolant bypass valve 1 – open circuit |
| P0E7600 | Coolant bypass valve 1 – short circuit to ground |
| P0E7700 | Coolant bypass valve 1 – short circuit to B+ |
| P0E7800 | Switchover valve for medium-temperature circuit (UVW2, MVW4), temperature implausible |
| P0E7900 | Coolant bypass valve 1 – stuck open |
| P0E7A00 | Coolant bypass valve 1 – stuck closed |
| P0E7B00 | Coolant bypass valve 2 – open circuit |
| P0E7C00 | Coolant bypass valve 2 – short circuit to ground |
| P0E7D00 | Coolant bypass valve 2 – short circuit to B+ |
| P0EA800 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 2, electrical error |
| P0EA900 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 2, signal implausible |
| P0EAA00 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 2, electrical error |
| P0EAB00 | Electric air-conditioning compressor (V470) - motor, high-voltage sensor 2, electrical error |
| P0EAD00 | Electric air-conditioning compressor (V470) - motor, high-voltage current sensor, electrical error |
| P0EAE00 | Electric air-conditioning compressor (V470) - motor high-voltage current sensor, signal implausible |
| P0EAF00 | Electric air-conditioning compressor (V470) - motor, high-voltage current sensor, electrical error |
| P0EB000 | Electric air-conditioning compressor (V470) - motor, high-voltage current sensor, electrical error |
| P0EB100 | Electric air-conditioning compressor (V470) - motor phase U, electrical error |
| P0EB200 | Electric air-conditioning compressor (V470) - motor phase U, electrical error |
| P0EB300 | Electric air-conditioning compressor (V470) - motor phase U, electrical error |
| P0EB400 | Electric air-conditioning compressor (V470), motor phase U, implausible signal |
| P0EB500 | Electric air-conditioning compressor (V470) - motor phase V, electrical error |
| P0EB600 | Electric air-conditioning compressor (V470) - motor phase V, electrical error |
| P0EB700 | Electric air-conditioning compressor (V470), motor phase V, implausible signal |
| P0EB800 | Electric air-conditioning compressor (V470) - motor phase W, electrical error |
| P0EB900 | Electric air-conditioning compressor (V470) - motor phase W, electrical error |
| P0EBA00 | Electric air-conditioning compressor (V470), motor phase W, implausible signal |
| P0EBB00 | Electric air-conditioning compressor (V470) - motor phase V, electrical error |
| P0EBC00 | Refrigerant circuit sensor on high pressure side (PT1) – fault |
| P0EBF00 | Refrigerant circuit sensor on high pressure side (PT1) – temperature implausible |
| P0EC000 | Electric air-conditioning compressor (V470) - motor phase W, electrical error |
| P0EC100 | Refrigerant circuit sensor on low pressure side (PT2) – fault |
| P0EC400 | Refrigerant circuit sensor on low pressure side (PT2) – temperature implausible |
| P0EC500 | Electric air-conditioning compressor (V470) - motor speed sensor, signal implausible |
| P0EC900 | Refrigerant circuit shut-off valve (EAV2) – mechanical fault |
| P0EE200 | Refrigerant circuit shut-off valve (EAV3) – mechanical fault |
| P0EE300 | Refrigerant circuit shut-off valve (EAV3) – fault |
| P0EE400 | Refrigerant circuit shut-off valve (EAV3) – voltage too low |
| P0EE500 | Refrigerant circuit shut-off valve (EAV3) – voltage too high |
| P0EE600 | Refrigerant circuit shut-off valve (EAV3) – temperature too high |
| P10C100 | Electric A/C compressor, control unit – supply voltage too high |
| P10C200 | Electric A/C compressor, control unit – supply voltage too low |
| P10C300 | Electric air-conditioning compressor (V470) - control unit, temperature too high |
| P10C400 | Electric air-conditioning compressor (V470) - control unit, temperature too low |
| P10C500 | Electric A/C compressor, motor – overload protection active |
| P10C700 | Electric A/C compressor, motor – starting current too high |
| P10CD00 | Solenoid valve for low-temperature circuit upstream of chiller (UVW1) – current too high |
| P10CE00 | Valve 2 for coolant of hybrid/high-voltage battery, Excess current |
| P10CF00 | Valve 3 for coolant of hybrid/high-voltage battery, Excess current |
| P10D000 | Coolant change-over valve 2, Excess current |
| P10D100 | Coolant change-over valve 3, Excess current |
| P10D200 | Electric air-conditioning compressor (V470), part number implausible |
| P10D300 | Expansion valve for evaporator, passenger compartment (EXV3) – part number implausible |
| P10D500 | Expansion valve for evaporator, passenger compartment (EXV3) – part number implausible |
| P10D600 | Refrigerant cut-off valve 1, Incorrect component installed |
| P10DB00 | Refrigerant circuit sensor on high pressure side (PT1) – part number implausible |
| P10DC00 | Refrigerant circuit sensor on low pressure side (PT2) – part number implausible |
| P10DD00 | Refrigerant circuit sensor on low pressure side (PT3) – part number implausible |
| P10DE00 | A/C pressure/temperature sensor 4, Incorrect component installed |
| P10DF00 | A/C pressure/temperature sensor 5, Incorrect component installed |
| P10E400 | Coolant fan control module, No signal |
| P10E500 | Coolant fan control module 2, No signal |
| P10E600 | Drain and fill refrigerant circuit function – active |
| P10E700 | Clean refrigerant circuit function – active |
| P10E800 | Bleed cooling systems function – active |
| P139B00 | Coolant level sensor (LS2) – coolant level too low |
| P139C00 | Coolant level sensor (LS2) – coolant level too low |
| P13F000 | Passenger compartment preconditioning – running time restriction |
| P13F100 | Passenger compartment preconditioning – could not be started |
| P175700 | Power supply (terminal 30) – open circuit |
| P191B00 | Right radiator fan (RF1) – signal implausible |
| P191C00 | Left radiator fan (RF3) – signal implausible |
| P194400 | Right radiator fan (RF1) – temperature too high |
| P194700 | Left radiator fan (RF3) – temperature too high |
| P19FB00 | Directional-control valve for high-temperature circuit (MVW1) – mechanical fault |
| P19FC00 | Directional-control valve for high-temperature circuit (MVW1) – fault |
| P19FD00 | Directional-control valve for high-temperature circuit (MVW1) – voltage too high |
| P19FE00 | Directional-control valve for high-temperature circuit (MVW1) – voltage too low |
| P19FF00 | Directional-control valve for high-temperature circuit (MVW1) – temperature too high |
| P1A3900 | Directional-control valve for high-temperature circuit (MVW1) – signal implausible |
| P1A3A00 | Directional-control valve for high-temperature circuit (MVW1) – not taught |
| P1A3B00 | Directional-control valve for high-temperature circuit (MVW1) – no communication |
| P1A3C00 | Directional-control valve for high-temperature circuit (MVW1) – part number implausible |
| P1A3D00 | Directional-control valve for medium-temperature circuit (MVW2) – fault |
| P1A3E00 | Directional-control valve for medium-temperature circuit (MVW2) – mechanical fault |
| P1A3F00 | Directional-control valve for medium-temperature circuit (MVW2) – temperature too high |
| P1A4000 | Directional-control valve for medium-temperature circuit (MVW2) – voltage too high |
| P1A4100 | Directional-control valve for medium-temperature circuit (MVW2) – voltage too low |
| P1A4200 | Directional-control valve for medium-temperature circuit (MVW2) – signal implausible |
| P1A4300 | Directional-control valve for medium-temperature circuit (MVW2) – no communication |
| P1A4400 | Directional-control valve for medium-temperature circuit (MVW2) – not taught |
| P1A4500 | Directional-control valve for medium-temperature circuit (MVW2) – part number implausible |
| P1A4600 | Change-over valve for low-temperature circuit (UVW4, MVW3), error |
| P1A4700 | Change-over valve for low-temperature circuit (UVW4, MVW3), mechanical error |
| P1A4800 | Change-over valve for low-temperature circuit (UVW4, MVW3), temperature too high |
| P1A4900 | Change-over valve for low-temperature circuit (UVW4, MVW3), voltage too high |
| P1A4A00 | Change-over valve for low-temperature circuit (UVW4, MVW3), voltage too low |
| P1A4B00 | Change-over valve for low-temperature circuit (UVW4, MVW3), signal implausible |
| P1A4C00 | Change-over valve for low-temperature circuit (UVW4, MVW3), no communication |
| P1A4D00 | Change-over valve for low-temperature circuit (UVW4, MVW3), not taught |
| P1A4E00 | Change-over valve for low-temperature circuit (UVW4, MVW3), part number implausible |
| P1A4F00 | Change-over valve for low-temperature circuit (UVW7) – internal fault |
| P1A5000 | Change-over valve for low-temperature circuit (UVW7) – mechanical fault |
| P1A5100 | Change-over valve for low-temperature circuit (UVW7) – temperature too high |
| P1A5200 | Change-over valve for low-temperature circuit (UVW7) – voltage too high |
| P1A5300 | Change-over valve for low-temperature circuit (UVW7) – voltage too low |
| P1A5400 | Switchover valve for low-temperature circuit upstream of heat exchanger (UVW7) – signal implausible |
| P1A5500 | Change-over valve for low-temperature circuit (UVW7) – no communication |
| P1A5600 | Change-over valve for low-temperature circuit (UVW7) – not taught |
| P1A5700 | Change-over valve for low-temperature circuit (UVW7) – part number implausible |
| P1A7500 | Right radiator fan (RF1), enable line – open circuit |
| P1A7600 | Right radiator fan (RF1), enable line – short circuit to ground |
| P1A7700 | Right radiator fan (RF1), enable line – short circuit to B+ |
| P1A7800 | Left radiator fan (RF3), enable line – open circuit |
| P1A7900 | Left radiator fan (RF3), enable line – short circuit to ground |
| P1A7A00 | Left radiator fan (RF3), enable line – short circuit to B+ |
| P1A7B00 | Right radiator fan (RF1) – part number implausible |
| P1A7C00 | Left radiator fan (RF3) – part number implausible |
| P1A8100 | Cooling system drain and fill/check function – active |
| P1A8200 | Refrigerant circuit sensor on high-pressure side - pressure too high |
| P1A8300 | Camshaft adjustment, Replacement reaction active |
| P1A8700 | Refrigerant circuit shut-off valve (EAV2) – part number implausible |
| P1A8900 | Refrigerant circuit shut-off valve (EAV3) – part number implausible |
| P1A8A00 | Valve 3 for refrigerant, Incorrect component installed |
| P1A8B00 | Refrigerant circuit shut-off valve (EAV5) – part number implausible |
| P1A8C00 | Refrigerant circuit shut-off valve (EAV2) – not taught |
| P1A8D00 | Refrigerant circuit shut-off valve (EAV3) – not taught |
| P1A8E00 | Valve 3 for refrigerant, wrong address |
| P1A8F00 | Refrigerant circuit shut-off valve (EAV5) – not taught |
| P1A9000 | Sensors for refrigerant circuit (PT1/PT2/PT3) – pressure signal deviation too large |
| P1B5B00 | Directional-control valve for high-temperature circuit (WMV1) – temperature implausible |
| P1B5C00 | Directional-control valve for high-temperature circuit (WMV1) – mechanical fault |
| P1B5D00 | Directional-control valve for high-temperature circuit (WMV1) – signal implausible |
| P1B5E00 | Directional-control valve for high-temperature circuit (WMV1) – voltage too low |
| P1B5F00 | Directional-control valve for high-temperature circuit (WMV1) – voltage too high |
| P1B6000 | Directional-control valve for high-temperature circuit (WMV1) – faulty |
| P1B6100 | Directional-control valve for high-temperature circuit (WMV1) – temperature too high |
| P1B6200 | Directional-control valve for high-temperature circuit (WMV1) – timeout during reference operation |
| P1B6300 | Directional-control valve for high-temperature circuit (WMV1) – not taught |
| P1B6400 | Directional-control valve for high-temperature circuit (WMV1) – part number implausible |
| P1B6500 | Expansion valve for evaporator, passenger compartment (EXV3) – temperature implausible |
| P1B8200 | Change-over valve for medium-temperature circuit (UVW1) – fault |
| P1B8300 | Change-over valve for medium-temperature circuit (UVW1) – mechanical fault |
| P1B8400 | Change-over valve for medium temperature circuit (UVW1) – temperature too high |
| P1B8500 | Change-over valve for medium-temperature circuit (UVW1) – voltage too low |
| P1B8600 | Change-over valve for medium-temperature circuit (UVW1) – signal implausible |
| P1B8700 | Change-over valve for medium-temperature circuit (UVW1) – no communication |
| P1B8800 | Change-over valve for medium-temperature circuit (UVW1) – not taught |
| P1B8900 | Change-over valve for medium-temperature circuit (UVW1) – part number implausible |
| P1B8A00 | Change-over valve for medium-temperature circuit (UVW1) – voltage too high |
| P1B8C00 | Change-over valve for medium-temperature circuit (UVW2, MVW4), error |
| P1B8D00 | Change-over valve for medium-temperature circuit (UVW2, MVW4), mechanical error |
| P1B8E00 | Change-over valve for medium temperature circuit (UVW2, MVW4), temperature too high |
| P1B8F00 | Change-over valve for medium-temperature circuit (UVW2, MVW4), voltage too high |
| P1B9000 | Change-over valve for medium-temperature circuit (UVW2, MVW4), voltage too low |
| P1B9100 | Change-over valve for medium-temperature circuit (UVW2, MVW4), signal implausible |
| P1B9200 | Change-over valve for medium-temperature circuit (UVW2, MVW4), no communication |
| P1B9300 | Change-over valve for medium-temperature circuit (UVW2, MVW4), not taught |
| P1B9400 | Change-over valve for medium-temperature circuit (UVW2, MVW4), part number implausible |
| P1B9500 | Coolant valve 7, faulty |
| P1B9600 | Coolant valve 7, mechanical malfunction |
| P1B9700 | Coolant valve 7, Excessive temperature |
| P1B9800 | Coolant valve 7, Excessive voltage |
| P1B9900 | Coolant valve 7, Insufficient voltage |
| P1B9A00 | Coolant valve 7, Implausible signal |
| P1B9B00 | Coolant valve 7, No signal |
| P1B9C00 | Coolant valve 7, wrong address |
| P1B9D00 | Coolant valve 7, Incorrect component installed |
| P1BA500 | Right radiator fan (RF1) – voltage too high |
| P1BA600 | Right radiator fan (RF1) – voltage too low |
| P1BA700 | Right radiator fan (RF1) – faulty |
| P1BA800 | Right radiator fan (RF1) – speed implausible |
| P1BA900 | Right radiator fan (RF1) – voltage implausible |
| P1BAA00 | Right radiator fan (RF1) – temperature implausible |
| P1BAB00 | Right radiator fan (RF1) – current implausible |
| P1BAC00 | Left radiator fan (RF3) – voltage too low |
| P1BAD00 | Left radiator fan (RF3) – voltage too high |
| P1BAE00 | Left radiator fan (RF3) – faulty |
| P1BAF00 | Left radiator fan (RF3) – speed implausible |
| P1BB000 | Left radiator fan (RF3) – voltage implausible |
| P1BB100 | Left radiator fan (RF3) – temperature implausible |
| P1BB200 | Left radiator fan (RF3) – current implausible |
| P1BB600 | Radiator fan relay – short circuit to ground |
| P1BB700 | Radiator fan relay – short circuit to B+ |
| P1BB800 | Radiator fan relay – open circuit |
| P1BB900 | Radiator fan relay – permanently active |
| P1C0100 | Expansion valve for evaporator, passenger compartment (EXV3) - fault |
| P1C0200 | Expansion valve for evaporator, passenger compartment (EXV3) – mechanical fault |
| P1C0300 | Expansion valve for evaporator, passenger compartment (EXV3) – temperature too high |
| P1C0400 | Expansion valve for evaporator, passenger compartment (EXV3) – voltage too high |
| P1C0500 | Expansion valve for evaporator, passenger compartment (EXV3) – voltage too low |
| P1C0600 | Expansion valve for evaporator, passenger compartment (EXV3) – signal implausible |
| P1C0700 | Expansion valve for evaporator, passenger compartment (EXV3) – no communication |
| P1C0800 | Expansion valve for evaporator, passenger compartment (EXV3) – not taught |
| P1C0A00 | Expansion valve 2 for coolant, mechanical malfunction |
| P1C0E00 | Expansion valve 2 for coolant, Implausible signal |
| P1C0F00 | Expansion valve 2 for coolant, No signal |
| P1C1100 | Expansion valve for evaporator, passenger compartment (EXV3) - fault |
| P1C1200 | Expansion valve for evaporator, passenger compartment (EXV3) – mechanical fault |
| P1C1300 | Expansion valve for evaporator, passenger compartment (EXV3) – temperature too high |
| P1C1400 | Expansion valve for evaporator, passenger compartment (EXV3) – voltage too high |
| P1C1500 | Expansion valve for evaporator, passenger compartment (EXV3) – voltage too low |
| P1C1600 | Expansion valve for evaporator, passenger compartment (EXV3) – signal implausible |
| P1C1700 | Expansion valve for evaporator, passenger compartment (EXV3) – no communication |
| P1C1800 | Expansion valve for evaporator, passenger compartment (EXV3) – not taught |
| P1C1900 | Refrigerant cut-off valve 1, Faulty |
| P1C1A00 | Refrigerant shut-off valve 1 – mechanical fault |
| P1C1B00 | Shutoff valve 1 for refrigerant – overtemperature |
| P1C1C00 | Refrigerant cut-off valve 1, Excess voltage |
| P1C1D00 | Shutoff valve 1 for refrigerant – undervoltage |
| P1C1E00 | Shutoff valve 1 for refrigerant – implausible signal |
| P1C1F00 | Refrigerant cut-off valve 1, No signal |
| P1C2000 | Refrigerant cut-off valve 1, wrong address |
| P1C2600 | Refrigerant cut-off valve 2, Implausible signal |
| P1C2E00 | Refrigerant cut-off valve 3, Implausible signal |
| P1C3200 | Refrigerant cut-off valve 4, mechanical malfunction |
| P1C3600 | Refrigerant cut-off valve 4, Implausible signal |
| P1C3A00 | Refrigerant cut-off valve 5, mechanical malfunction |
| P1C3F00 | Refrigerant cut-off valve 5, No signal |
| P1C4100 | Relay for thermal management components (SR6.2) – open circuit |
| P1C4200 | Relay for thermal management components (SR6.2) – short circuit to ground |
| P1C4300 | Relay for thermal management components (SR6.2) – short circuit to B+ |
| P1C4400 | Solenoid valve for low-temperature circuit upstream of chiller (UVW1) – open circuit |
| P1C4500 | Coolant valve 1 for hybrid/high-voltage battery – short circuit to ground |
| P1C4600 | Coolant valve 1 for hybrid/high-voltage battery – short circuit to B+ |
| P1C4C00 | Coolant change-over valve 2, Excess temp. |
| P1C5100 | Coolant change-over valve 3, Excess temp. |
| P1C5800 | A/C pressure/temperature sensor 1, Implausible signal |
| P1C5900 | Refrigerant circuit sensor on high pressure side (PT1) – faulty |
| P1C5B00 | A/C pressure/temperature sensor 2, Implausible signal |
| P1C5C00 | Refrigerant circuit sensor on low pressure side (PT2) – faulty |
| P1C5E00 | Refrigerant circuit sensor on low pressure side (PT3) - signal implausible |
| P1C5F00 | Refrigerant circuit sensor on low pressure side (PT3) – fault |
| P1C6000 | Refrigerant circuit sensor on low pressure side (PT3) – no communication |
| P1C6100 | A/C pressure/temperature sensor 4, Implausible signal |
| P1C6200 | A/C pressure/temperature sensor 4, Faulty |
| P1C6300 | A/C pressure/temperature sensor 4, No signal |
| P1C6400 | A/C pressure/temperature sensor 5, Implausible signal |
| P1C6500 | A/C pressure/temperature sensor 5, Faulty |
| P1C6600 | A/C pressure/temperature sensor 5, No signal |
| P1C6A00 | Voltage supply for sensors, Open circuit |
| P1C6B00 | Voltage supply for sensors, Short circuit to ground |
| P1C6C00 | Voltage supply for sensors, Short circuit to B+ |
| P1CA300 | Medium-temperature circuit for drive, front – cooling performance too low |
| P1CA400 | Change-over valve for medium-temperature circuit (UVW1) – mechanical fault |
| P1CA500 | Change-over valve for medium-temperature circuit (UVW2, MVW4), mechanical error |
| P1CA600 | Change-over valve for medium-temperature circuit (UVW1) – part number implausible |
| P1CDF00 | Refrigerant circuit sensor on low pressure side (PT3) – temperature signal deviation too high |
| P1CE000 | Expansion valve for evaporator, passenger compartment (EXV3) – mechanical fault |
| P1CE500 | Servo motor for cooling-air flaps, right (SM1) – temperature implausible |
| P1CE600 | Servo motor for cooling-air flaps, left (SM2) – temperature implausible |
| P1CE800 | High-voltage battery coolant outlet temperature sensor, temperature implausible |
| P1CE900 | High-voltage battery coolant inlet temperature sensor, temperature implausible |
| P1E8A00 | Electric interior heater (Z189), coolant input temperature implausible |
| P1E9100 | Electric interior heater (Z189), coolant output temperature implausible |
| P218200 | Temperature sensor for high-temperature circuit (TW11) – open circuit |
| P218300 | Temperature sensor for high-temperature circuit (TW11) – signal implausible |
| P218400 | Temperature sensor for high-temperature circuit (TW11) – short circuit to ground |
| P218500 | Temperature sensor for high-temperature circuit (TW11) – short circuit to B+ |
| P251500 | Refrigerant circuit sensor on low pressure side (PT2) – fault |
| P251600 | Refrigerant circuit sensor on low pressure side (PT2) – pressure implausible |
| P260000 | Coolant pump – open circuit |
| P260200 | Coolant pump – short circuit to ground |
| P260300 | Coolant pump – short circuit to B+ |
| P261100 | Refrigerant circuit shut-off valve (EAV2) – fault |
| P261A00 | Additional coolant pump (P5) – open circuit |
| P261C00 | Additional coolant pump (P5) – short circuit to ground or open circuit |
| P261D00 | Additional coolant pump (P5) – short circuit to B+ |
| P261E00 | Additional coolant pump (P5) – blocked |
| P261F00 | Coolant pump – blocked |
| P268100 | Coolant bypass valve – open circuit |
| P268200 | Coolant bypass valve – short circuit to ground |
| P268300 | Coolant bypass valve – short circuit to B+ |
| P26AB00 | Coolant bypass valve – stuck open |
| P26B100 | Coolant bypass valve – blocked in closed position |
| P26F400 | Coolant pump (P8, P3), open circuit |
| P26F500 | Coolant pump (P8, P3), short circuit to ground or open circuit |
| P26F600 | Coolant pump (P8, P3), short circuit to B+ |
| P26F800 | Coolant pump (P8) – blocked |
| P26F900 | Coolant pump (P8, P3), temperature too high |
| P26FA00 | Coolant pump (P8, P3), dry run |
| P26FD00 | Electric air-conditioning compressor (V470) - control unit, error |
| P293700 | Temperature sensor for medium-temperature circuit (TW9) – signal implausible |
| P2AFC00 | Temperature sensor for medium-temperature circuit (TW9) – open circuit |
| P2AFD00 | Temperature sensor for medium-temperature circuit (TW9) – signal implausible |
| P2AFE00 | Temperature sensor for medium-temperature circuit (TW9) – short circuit to ground |
| P2AFF00 | Temperature sensor for medium-temperature circuit (TW9) – short circuit to B+ |
| P2B2000 | Temperature sensor for high-temperature circuit (G1018 - TW14), open circuit |
| P2B2100 | Temperature sensor for high-temperature circuit (G1018 - TW14), signal implausible |
| P2B2200 | Temperature sensor for high-temperature circuit (G1018 - TW14), short circuit to ground |
| P2B2300 | Temperature sensor for high-temperature circuit (G1018 - TW14), short circuit to B+ |
| P2B2400 | Temperature sensor for medium-temperature circuit (TW10) – open circuit |
| P2B2500 | Temperature sensor for medium-temperature circuit (TW10) – signal implausible |
| P2B2600 | Temperature sensor for medium-temperature circuit (TW10) – short circuit to ground |
| P2B2700 | Temperature sensor for medium-temperature circuit (TW10) – short circuit to B+ |
| P2B2A00 | Coolant pump (P1) – dry run |
| P2B2B00 | Temperature sensor for medium-temperature circuit (TW4) – open circuit |
| P2B2C00 | Temperature sensor for medium-temperature circuit (TW4) – signal implausible |
| P2B2D00 | Temperature sensor for medium-temperature circuit (TW4) – short circuit to ground |
| P2B2E00 | Temperature sensor for medium-temperature circuit (TW4) – short circuit to B+ |
| P2B2F00 | Right radiator fan (RF1) – performance too low |
| P2B3000 | Right radiator fan (RF1) – blocked |
| P2B3100 | Left radiator fan (RF3) – performance too low |
| P2B3200 | Left radiator fan (RF3) – blocked |
| P2B6400 | Additional coolant pump (P5) – temperature too high |
| P2B6500 | Additional coolant pump (P5) – dry run |
| P2B8600 | Coolant pump – dry run |
| P2B9E00 | Coolant pump – temperature too high |
| P2C6600 | Coolant pump (P1) – sluggish |
| P2C6800 | Coolant pump (P1) – blocked |
| P2C7200 | Medium-temperature circuit for drive, rear – cooling power too low |
| P2D2900 | Electric air-conditioning compressor (V470) - motor, mechanical block |
| P2D2A00 | Medium-temperature circuit – temperature implausible (TW5/TW9/TW10) |
| P2D2B00 | Low-temperature circuit – temperature implausible (TW7/TW8) |
| P2D2C00 | High-temperature circuit – temperature implausible (TW11/TW12) |
| P2D3800 | Low-temperature circuit for high-voltage battery – heating performance too low |
| P2D4400 | Electric air-conditioning compressor (V470) – overload protection active |
| P2E7C00 | Electric air-conditioning compressor (V470) - temperature sensor 2, interruption |
| P2E7D00 | Electric air-conditioning compressor (V470) - temperature sensor 2, implausible signal |
| P2E7E00 | Electric air-conditioning compressor (V470), temperature sensor 2, short-circuit to plus |
| P2E7F00 | Electric air-conditioning compressor (V470), temperature sensor 2, short-circuit to ground |
| P2E8000 | Electric air-conditioning compressor (V470) - temperature sensor 2, implausible signal |
| U002800 | Hybrid CAN bus – faulty |
| U002900 | Hybrid CAN bus - no communication |
| U010000 | Engine electronics (DME) control unit – no communication |
| U010100 | Lost Communication with TCM |
| U011000 | High-voltage power electronics control unit - no communication |
| U011200 | High-voltage battery control unit – no communication |
| U011900 | Fuel cell control unit, no communication |
| U012100 | Brake electronics (PSM) control unit – no communication |
| U012A00 | Control unit for chassis control (PASM) – no communication |
| U014000 | Front-end electronics control unit (BCM1) - missing message |
| U014100 | Front-end electronics control unit (BCM1) - no communication |
| U014600 | Gateway control unit - no communication |
| U015100 | Airbag control unit - missing message |
| U015500 | Instrument cluster control unit - missing message |
| U016300 | Central computer (PCM) control unit - missing message |
| U016400 | Air conditioner control unit - missing message |
| U016B00 | Electric air-conditioning compressor (V470), no communication |
| U019900 | Driver-side door control unit - no communication |
| U019B00 | High-voltage charger (OBC) control unit – missing message |
| U020000 | Door control unit, passengerʼs side - no communication |
| U020100 | Control unit for door on rear driver’s side - no communication |
| U020200 | Control unit for door on rear passenger’s side - no communication |
| U028400 | Servo motor for cooling-air flaps, right (SM1) – no communication |
| U028500 | Servo motor for cooling-air flaps, left (SM2) – no communication |
| U029800 | Control unit for high-voltage voltage converter (combi converter) - missing message |
| U029900 | Control unit for high-voltage voltage converter (booster) - missing message |
| U029B00 | High-voltage power electronics 3 control unit - missing message |
| U02AD00 | Boost pressure actuator for turbocharger 2, no communication |
| U032A00 | Electric air-conditioning compressor (V470), part number implausible |
| U034E00 | Servo motor for cooling-air flaps, right (SM1) – software implausible |
| U034F00 | Servo motor for cooling-air flaps, left (SM2) – software implausible |
| U040100 | Engine electronics (DME) control unit – signal implausible |
| U040E00 | Boost pressure actuator for turbocharger 2, no communication |
| U041100 | High-voltage power electronics control unit – signal implausible |
| U041300 | High-voltage battery control unit, signal implausible |
| U041500 | Control unit for brake electronics (PSM) – signal implausible |
| U042200 | Front-end electronics control unit (BCM1) - signal implausible |
| U042300 | Instrument cluster control unit – signal implausible |
| U042400 | Air conditioning control unit - signal implausible |
| U042500 | Auxiliary heater control unit – signal implausible |
| U042B00 | Control unit for chassis control (PASM) – signal implausible |
| U044700 | Gateway control unit – signal implausible |
| U046400 | Central computer (PCM) control unit – signal implausible |
| U046800 | Fuel cell control unit, implausible signal |
| U046C00 | Electric air-conditioning compressor (V470), – signal implausible |
| U049C00 | High-voltage charger control unit (OBC) - signal implausible |
| U058500 | Servo motor for cooling-air flaps, right (SM1) – signal implausible |
| U058600 | Servo motor for cooling-air flaps, left (SM2) – signal implausible |
| U059300 | High-voltage power electronics control unit, front axle - signal implausible |
| U059900 | Control unit for high-voltage voltage converter (combi converter) - signal implausible |
| U059A00 | Control unit for high-voltage voltage converter (booster) - signal implausible |
| U059C00 | High-voltage power electronics 3 control unit – signal implausible |
| U062300 | Coolant pump – no communication |
| U062400 | Additional coolant pump (P5) – no communication |
| U062600 | Refrigerant circuit sensor on high pressure side (PT1) – no communication |
| U062800 | Refrigerant circuit sensor on low pressure side (PT2) – no communication |
| U062A00 | Refrigerant circuit shut-off valve (EAV2) – no communication |
| U062B00 | Refrigerant circuit shut-off valve (EAV3) – no communication |
| U062C00 | Lost Communication With A/C Refrigerant Distribution Valve, Actuator “C” |
| U062D00 | Refrigerant circuit shut-off valve (EAV5) – no communication |
| U062E00 | Expansion valve for evaporator, low-temperature circuit (EXV2) – no communication |
| U062F00 | Coolant pump (P8, P3), no communication |
| U063200 | Right radiator fan (RF1) – no communication |
| U063300 | Left radiator fan (RF3) – no communication |
| U063D00 | Additional coolant pump (P1) – no communication |
| U103000 | LIN bus 1 – electrical fault |
| U103C00 | Electric air-conditioning compressor (V470), – signal implausible |
| U105400 | Central computer control unit - missing message |
| U105500 | Central computer control unit – signal implausible |
| U107600 | LIN bus 2 - electrical fault |
| U10BA00 | LIN bus 1 – no communication |
| U10C700 | LIN bus 2 – no communication |
| U10C800 | LIN bus 3 - no communication |
| U10DB00 | LIN bus 3 - electrical fault |
| U110300 | Production mode active |
| U110400 | Expanded bus operation active |
| U110500 | Transport mode active |
| U112100 | Data bus - missing message |
| U112300 | Data bus – fault value received |
| U11DC00 | Charging module, contactless high-voltage charging (AWC) - missing message |
| U12B900 | Control unit for driver assistance systems – missing message |
| U140000 | Function restriction – supply voltage too low |
| U140100 | Function restriction – supply voltage too high |
| U140B00 | Energy management active |
| U148100 | Charging module for contactless high-voltage charging (AWC) - implausible signal |
| U14C100 | Directional-control valve for high-temperature circuit (WMV1) – no communication |
Fault names come from the manufacturer's diagnostic data. STEUER14 is independent and not affiliated with Porsche AG. A code tells you what a control unit detected, not always which part failed — check wiring, supply voltage and related codes before replacing parts. STEUER14 shows each fault's full description, status and freeze frame on the car.