BMW DTC P1E23 – Drive Motor ‘B’ Inverter Temperature Sensor ‘C’ Circuit Low
DTC P1E23 meaning on BMW
DTC P1E23 for BMW refers to an issue with the Drive Motor ‘B’ Inverter Temperature Sensor ‘C’ Circuit registering a low voltage signal. This fault code indicates a problem with the temperature sensor circuit for the drive motor inverter, specifically sensor ‘C’.
BMW DTC P1E23 symptoms
Symptoms of DTC P1E23 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Abnormal temperature readings on the inverter
BMW DTC P1E23 causes
Common causes of DTC P1E23 on a BMW include:
- Faulty drive motor inverter temperature sensor ‘C’
- Wiring or connection issues in the sensor circuit
- Inverter temperature sensor circuit malfunction
BMW DTC P1E23 seriousness
The seriousness of DTC P1E23 on a BMW depends on the underlying cause. Ignoring this fault code can lead to potential drivability issues and further damage to the drive motor inverter system. It is recommended to address this issue promptly to prevent any complications.
How to diagnose DTC P1E23 on BMW
To diagnose DTC P1E23 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the drive motor inverter temperature sensor ‘C’ and its wiring for any visible damage
- Test the sensor’s resistance and voltage output to determine if it is functioning correctly
- Check for any loose connections or corrosion in the sensor circuit
How to fix DTC P1E23 on BMW
To fix DTC P1E23 on a BMW, you can follow these steps:
- Replace the drive motor inverter temperature sensor ‘C’ if it is found to be faulty
- Repair any damaged wiring or connections in the sensor circuit
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1E23 on BMW
To erase DTC P1E23 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue and fixing the problem, clearing the fault code will reset the Check Engine Light and ensure the repair was successful.
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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