P0E29 – BMW DTC

BMW DTC P0E29 – Drive Motor Inverter Temperature Sensor ‘H’ Circuit Range/Performance

DTC P0E29 meaning on BMW

The Diagnostic Trouble Code (DTC) P0E29 for BMW refers to the Drive Motor Inverter Temperature Sensor ‘H’ Circuit Range/Performance issue. This code indicates that there is a problem with the temperature sensor circuit for the drive motor inverter in the vehicle.

BMW DTC P0E29 symptoms

Symptoms of the BMW DTC P0E29 may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Reduced power or performance from the drive motor
• Abnormal temperature readings on the inverter

BMW DTC P0E29 causes

Common causes of the BMW DTC P0E29 may include:

• Faulty drive motor inverter temperature sensor
• Wiring or connection issues in the temperature sensor circuit
• Internal faults within the drive motor inverter

BMW DTC P0E29 seriousness

The seriousness of the BMW DTC P0E29 code lies in the potential impact on the drive motor’s performance and efficiency. Ignoring this issue can lead to further damage to the drive motor inverter and may result in drivability issues.

How to diagnose DTC P0E29 on BMW

To diagnose the DTC P0E29 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes and freeze frame data
2. Inspect the drive motor inverter temperature sensor and its wiring for any visible damage
3. Test the temperature sensor’s resistance and voltage readings
4. Check for any loose connections or corrosion in the sensor circuit

How to fix DTC P0E29 on BMW

To fix the DTC P0E29 on a BMW, you may need to:

1. Replace the faulty drive motor inverter temperature sensor
2. Repair or replace any damaged wiring or connections in the sensor circuit
3. Address any internal faults within the drive motor inverter

How to erase DTC P0E29 on BMW

To erase the DTC P0E29 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Ensure that the underlying issue causing the fault code has been resolved
3. Perform a test drive to confirm that the code does not return

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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