P2E4F

Battery Charger Coupler Temperature Sensor D Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Incorrect battery charging
Increased charger temperature
Reduced charging system efficiency

Causes

Open or short circuit in the sensor circuit
Temperature sensor malfunction
Wiring Harness Problems
Charger fault
Contact corrosion

How to Fix

Check the integrity of the sensor circuit
Check the resistance of the temperature sensor
Inspect the wiring harness for damage
Replace temperature sensor if necessary
Clean contacts from corrosion

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