BMW DTC P0C79 – Drive Motor ‘A’ Inverter Voltage Too High
DTC P0C79 meaning on BMW
The DTC P0C79 error code on a BMW indicates that the drive motor ‘A’ inverter voltage is too high. This fault is typically related to the electric drive system of the vehicle.
BMW DTC P0C79 symptoms
Symptoms of the BMW DTC P0C79 may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced power or performance
- Unusual noises coming from the electric drive system
BMW DTC P0C79 causes
Common causes of the BMW DTC P0C79 error code include:
- Faulty drive motor ‘A’ inverter
- Issues with the electric drive system components
- Electrical wiring or connection problems
BMW DTC P0C79 seriousness
The DTC P0C79 error code should be addressed promptly as it can affect the performance and drivability of the vehicle. Ignoring this issue may lead to further damage to the electric drive system components.
How to diagnose DTC P0C79 on BMW
To diagnose the DTC P0C79 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the error code and related data
- Inspect the drive motor ‘A’ inverter and associated components for any visible damage or loose connections
- Perform electrical tests to check the voltage levels in the electric drive system
How to fix DTC P0C79 on BMW
To fix the DTC P0C79 error code on a BMW, the following steps may be taken:
- Replace the faulty drive motor ‘A’ inverter with a new unit
- Repair any damaged wiring or connections in the electric drive system
- Clear the error code from the vehicle’s ECU after the repairs have been completed
How to erase DTC P0C79 on BMW
To erase the DTC P0C79 error code on a BMW, a diagnostic scanner can be used to clear the code from the vehicle’s ECU. Once the underlying issue has been addressed and fixed, the error code can be reset to ensure that the problem has been resolved.
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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