P0C2B
Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal
Generic OBD-II
Common symptoms
What you'll notice
- Verify connection and wiring between the electric/auxiliary transmission fluid pump control module and the feedback signal components
- Check for any damage or corrosion in the wiring or connectors related to the electric/auxiliary transmission fluid pump control module feedback signal
- Inspect the electric/auxiliary transmission fluid pump control module for any faults or malfunctions, and consider replacing if necessary
- Ensure the correct transmission fluid level and quality, and perform a transmission fluid flush if needed
Common causes
Most likely first
- Faulty electric/auxiliary transmission fluid pump control module
- Malfunctioning transmission fluid pump
- Wiring issues or loose connections related to the control module or pump
- Low transmission fluid level or contaminated fluid
- Sensor or feedback signal malfunction
How to diagnose & fix
Work through it in order
- Transmission slipping or difficulty shifting gears
- Delayed engagement when shifting into drive or reverse
- Harsh or rough shifting between gears
- Overheating of transmission fluid
- Illumination of the "Check Engine" light
Read & clear P0C2B yourself
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