P2E52

Battery Charger Coupler Temperature Sensor D 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
Battery charging problems
The battery overheats while charging
Reduced charging efficiency

Causes

Charger temperature sensor malfunction
Open or short circuit in the sensor circuit
Corrosion of contacts or connectors
Problems with the battery charger

How to Fix

Check the condition of the charger temperature sensor
Diagnose the sensor circuit for opens and short circuits
Clean contacts and connectors from corrosion
Test the battery charger
If necessary, replace the temperature sensor

Related codes

P2E50 P2E51 P2E53