P0C1B Possible Causes
- Faulty auxiliary transmission fluid pump control module
- Auxiliary transmission fluid pump control module harness is open or shorted
- Poor electrical connection in auxiliary transmission fluid pump control module circuit
What Does It Mean?
How to Fix Code P0C1B
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
P0C1B Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P0C1B Meaning
The engine control module (ECM) monitors the auxiliary transmission fluid pump control module. The ECM sets the OBDII code when the auxiliary transmission fluid pump control module does not meet factory specifications.