P0E5B

DC/DC Converter Temperature Sensor C Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced efficiency of the DC/DC converter
Potential problems with charging a 12-volt battery
Possible power limitation in hybrid systems

Causes

Temperature sensor faulty DC/DC converter C
Open or short circuit in the sensor circuit
Poor contact in sensor circuit connectors
Problems with the DC/DC converter control unit

How to Fix

Check the continuity of the temperature sensor circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance of the temperature sensor
If necessary, replace the temperature sensor of the DC/DC converter C
Reset the fault code and check if it returns

Related codes

P0E5A P0E5C P0E5D