P0D42

Battery Charger 14 Volt Output Voltage Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Hybrid system warning
Problems with charging a 12V battery
Reduced performance of the hybrid system
Possible problems starting the car

Causes

Malfunction of 14V charging voltage sensor
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Problems with the hybrid system control unit
Malfunction of the charger itself

How to Fix

Check the continuity of the voltage sensor circuit
Inspect the sensor connectors and contacts for corrosion or damage.
Check the functionality of the voltage sensor
Scan the control unit for additional errors
If necessary, replace the charging voltage sensor

Related codes

P0D40 P0D41 P0D43