OBD Guide

P0C1E

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Low

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

Symptoms

  • Rough gear shifting
  • Transmission fault warning lamp
  • Reduced transmission performance
  • Transmission fluid overheating
  • Noises from the transmission area

Causes

  • Open or short circuit in the temperature sensor circuit
  • Poor contacts in the pump module connectors
  • Faulty temperature sensor in the control module
  • Damaged pump control module
  • Problems with the wiring harness to the pump module

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect the pump module connectors for oxidation or damage.
  3. Test the resistance of the temperature sensor
  4. Check the power and ground of the control module
  5. If necessary, replace the pump control module

Related codes

Error P0C1E by Vehicle Brand