BMW DTC P0C22 – Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High
DTC P0C22 meaning on BMW
The DTC P0C22 fault code on BMW vehicles indicates an issue with the Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit being detected as high. This fault code is related to the electric auxiliary transmission fluid pump, which is responsible for maintaining proper fluid pressure in the transmission system.
BMW DTC P0C22 symptoms
Symptoms of the DTC P0C22 fault code on a BMW may include:
- Transmission shifting issues
- Transmission slipping
- Transmission overheating
- Warning lights on the dashboard
BMW DTC P0C22 causes
The common causes of the DTC P0C22 fault code on BMW vehicles include:
- Faulty electric auxiliary transmission fluid pump
- Wiring or connector issues in the U-V-W circuit
- Low transmission fluid level
- Internal transmission problems
BMW DTC P0C22 seriousness
The DTC P0C22 fault code should be addressed promptly to prevent potential damage to the transmission system. Ignoring this fault code can lead to further transmission issues and potentially result in costly repairs.
How to diagnose DTC P0C22 on BMW
To diagnose the DTC P0C22 fault code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the electric auxiliary transmission fluid pump for proper operation
- Check the wiring and connectors in the U-V-W circuit for any damage or loose connections
- Verify the transmission fluid level and condition
How to fix DTC P0C22 on BMW
To fix the DTC P0C22 fault code on a BMW, the following steps may be taken:
- Replace the faulty electric auxiliary transmission fluid pump
- Repair or replace any damaged wiring or connectors in the U-V-W circuit
- Ensure the transmission fluid level is correct and top up if necessary
- If internal transmission issues are found, further diagnosis and repair may be required
How to erase DTC P0C22 on BMW
After addressing the underlying cause of the DTC P0C22 fault code on a BMW, the code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the warning lights on the dashboard. It is important to verify that the issue has been resolved before clearing the fault code.
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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