P0C1F

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

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Transmission fluid overheating
Reduced pump efficiency
Transmission transition to emergency mode
Malfunction indicator light comes on
Reduced vehicle dynamics

Causes

Pump module temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in module connectors
Wiring harness damage
Pump control module malfunction

How to Fix

Check the resistance of the temperature sensor
Inspect the sensor circuit for damage
Check contacts in module connectors
If necessary, replace the temperature sensor
Update the pump control module firmware

Related codes

P0C1E P0C20 P0C21