P0C39

DC/DC Converter Temperature Sensor A Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced efficiency of on-board electronics
Hybrid system power limitation
DC/DC converter overheating
Incorrect temperature readings in the diagnostic system

Causes

DC/DC converter temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Malfunction of the DC/DC converter itself
Problems with the control unit software

How to Fix

Check the condition of the temperature sensor of the DC/DC converter
Check the integrity of the sensor circuit and the quality of connections
Test the operation of the DC/DC converter
If necessary, replace the temperature sensor
Update the control unit software if necessary

Related codes

P0C3A P0C3B P0C3C