P2E50

Battery Charger Coupler Temperature Sensor D Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced battery charging efficiency
Incorrect charger temperature readings
Possible problems with the hybrid system (if applicable)

Causes

Charger temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Corroded contacts or damaged wiring harness
Temporary sensor malfunction

How to Fix

Check the integrity of the charger temperature sensor
Inspect the wiring harness and connectors for damage.
Check the resistance and voltage in the sensor circuit
Replace sensor if necessary
Clean contacts from corrosion

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