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P1BAA00 — Right radiator fan (RF1) – temperature implausible
Right radiator fan (RF1) – temperature implausible. The Taycan, 911 (992), 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 P1BAA00
How to read and clear P1BAA00
- 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 P1BAA00 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 Thermal Management
| 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 |
| 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 |
All 636 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.