P0C41

DC/DC Converter Temperature Sensor B Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Intermittent operation of the DC/DC converter
Possible problems with charging a 12-volt battery
Reduced overall vehicle performance

Causes

Temperature sensor fault B DC/DC converter
Problems with sensor wiring or connectors
Short circuit or open circuit in the sensor circuit
Problems with the DC/DC converter itself
Malfunction of the hybrid system control module

How to Fix

Check the condition of temperature sensor B DC/DC converter
Check the integrity of the sensor wiring and connectors
Check the resistance of the temperature sensor
If necessary, replace the temperature sensor
Check the operation of the DC/DC converter after repair

Related codes

P0C40 P0C42 P0C43