Home › Fault codes › P1A2400
P1A2400 — Fast battery charge (DC), CHAdeMO connector – implausible signal
Fast battery charge (DC), CHAdeMO connector – implausible signal. The Taycan, Panamera (971), Panamera (972) and Cayenne report this code; below is which control unit sets it on each model and how to read and clear it.
Which models and control units set P1A2400
How to read and clear P1A2400
- Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
- Open STEUER14, pick your car and run a fault scan: every control unit is read, and P1A2400 shows with its status, its full description and the freeze frame when the unit stores one.
- Fix the cause first, then clear the fault memory and scan again to check it stays away. Reading and clearing fault codes is free on every control unit.
More about fault memory in the manual →
Download STEUER14 — free fault readingOther codes of the On-Board Charger 2
| P0D2A00 | High-voltage charger – input current too high |
| P10BA00 | Emergency charging function, active |
| P10BB00 | Unlocking prohibition - output diagnostic test active |
| P16EF00 | High-voltage charger – charging module 3 defective |
| P16F000 | High-voltage charger, line conductor L3 – undervoltage |
| P16F100 | High-voltage charger, line conductor L3 – overvoltage |
| P1A3500 | Quick battery charging (DC), Malfunction in charging station |
| P1BCC00 | External charging infrastructure – fault in line conductor L2 and L3 |
| P1BCD00 | External charging infrastructure – fault in line conductor L1 and L3 |
| P1BCE00 | External charging infrastructure – fault in line conductor L1 and L2 |
| P31C500 | Reduced performance due to excessive coolant temperature |
| P31C600 | AC input voltage – electrical system fault |
All 110 codes of this control unit →
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.