P2C8C

DC/DC Converter Temperature Sensor D Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine Light Is On
Reduced 12-volt battery charging efficiency
DC/DC converter overheating
Low voltage in the on-board network
Problems with car electrical equipment

Causes

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

How to Fix

Check the integrity of the wiring and connectors of the sensor circuit
Measure the resistance of the temperature sensor
Check sensor output voltage
If necessary, replace the temperature sensor
Test DC/DC converter

Related codes

P2C8D P2C8B P0A7F