OBD Guide

P0C2B

Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • The transmission goes into emergency mode
  • Unusual noises from the transmission area
  • Gear shifting problems
  • Reduced transmission efficiency

Causes

  • Pump control module malfunction
  • Open or short circuit in the circuit
  • Module power problems
  • Low transmission fluid level
  • Contaminated transmission fluid

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the pump control circuit
  3. Check the power and ground of the control module
  4. Test or replace the pump control module
  5. Check the operation of the transmission fluid pump itself

Related codes

Error P0C2B by Vehicle Brand