P0C3C

DC/DC Converter Temperature Sensor A Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Unstable operation of electrical systems
Battery charging problems
Reduced vehicle performance
Possible error messages on other systems

Causes

DC/DC temperature sensor fault
Poor connection or damaged wiring harness
Short circuit or open circuit in the sensor circuit
Problems with DC/DC converter
Software error in the control unit

How to Fix

Check connections and sensor wiring harness
Check the resistance and signal of the temperature sensor
Replace temperature sensor if necessary
Check the operation of the DC/DC converter
Update the control unit software if necessary

Related codes

P0C3D P0C3E P0C3F