P0C38

DC/DC Converter Temperature Sensor A Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–56 (est.)

Symptoms

Check Engine Light Is On
Reduced electrical system efficiency
DC/DC converter overheating
Unstable voltage in the system

Causes

DC/DC converter temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
DC/DC converter malfunction
Problems with the engine control unit (ECU)

How to Fix

Check the temperature sensor of the DC/DC converter
Check the sensor circuit for breaks and short circuits
Check the connectors and contacts of the sensor
If necessary, replace the temperature sensor
Check the functionality of the DC/DC converter

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