P0C22
Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High
P0C22 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High. Common causes: pump motor malfunction, damage to the pump phase circuit. Estimated repair cost: $28–89.
Symptoms
- Unstable gear shifting
- Transmission warning light comes on
- Deterioration in acceleration dynamics
- Noises or humming from the transmission
Causes
- Pump motor malfunction
- Damage to the pump phase circuit
- Open or poor contact in the wiring harness
- Problems with the transmission control unit
- Mechanical pump failure
How to Fix
- Diagnostics of the U-V-W phase circuit of the pump
- Checking the resistance of the motor windings
- Inspect the wiring harness and connections
- Replacing a faulty pump if necessary
- Resetting errors and checking system operation
Related codes
Error P0C22 by Vehicle Brand
FAQ
What does the P0C22 code mean?
P0C22 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High
What causes a P0C22 error code?
The most common causes of P0C22 include: Pump motor malfunction; Damage to the pump phase circuit; Open or poor contact in the wiring harness; Problems with the transmission control unit.
How do I fix a P0C22 diagnostic trouble code?
To fix P0C22: Diagnostics of the U-V-W phase circuit of the pump. Checking the resistance of the motor windings. Inspect the wiring harness and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C22?
Limited driving only, diagnose soon
How much does it cost to fix P0C22?
The estimated repair cost for P0C22 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat