BMW DTC P1AE2 – Drive Motor Inverter Temperature Sensor ‘A’/’B’ Correlation
DTC P1AE2 meaning on BMW
The DTC P1AE2 code on BMW vehicles indicates a Drive Motor Inverter Temperature Sensor ‘A’/’B’ Correlation issue. This means that there is a discrepancy between the readings from the temperature sensors ‘A’ and ‘B’ in the drive motor inverter system.
BMW DTC P1AE2 symptoms
Symptoms of the BMW DTC P1AE2 code may include:
- Check Engine Light illuminated
- Reduced power or performance
- Abnormal temperature readings on the inverter system
BMW DTC P1AE2 causes
Common causes of the BMW DTC P1AE2 code include:
- Faulty drive motor inverter temperature sensors
- Wiring or connection issues in the temperature sensor circuit
- Software or calibration problems in the inverter system
BMW DTC P1AE2 seriousness
The DTC P1AE2 code should be addressed promptly as it can lead to drivability issues and potential damage to the drive motor inverter system if left unresolved.
How to diagnose DTC P1AE2 on BMW
To diagnose the DTC P1AE2 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data.
- Inspect the drive motor inverter temperature sensors ‘A’ and ‘B’ for any visible damage or corrosion.
- Check the wiring and connectors for the temperature sensors for any signs of wear or poor connections.
- Perform a resistance test on the temperature sensors to ensure they are within specifications.
How to fix DTC P1AE2 on BMW
To fix the DTC P1AE2 on a BMW, consider the following steps:
- Replace any faulty drive motor inverter temperature sensors ‘A’ or ‘B’.
- Repair or replace any damaged wiring or connectors in the temperature sensor circuit.
- Update the software or calibration of the drive motor inverter system if necessary.
How to erase DTC P1AE2 on BMW
To erase the DTC P1AE2 code on a BMW, you can use a diagnostic scanner to clear the code after the underlying issue has been addressed and fixed. This will reset the Check Engine Light and allow you to monitor the system for any recurring faults.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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