P2E51
Battery Charger Coupler Temperature Sensor D Circuit Low
P2E51 is an OBD-II diagnostic trouble code meaning: Battery Charger Coupler Temperature Sensor D Circuit Low. Common causes: open or short circuit in the temperature sensor circuit, malfunction of the temperature sensor itself. Estimated repair cost: $17–56.
Symptoms
- Charging system warning on dashboard
- Reduced battery charging efficiency
- The battery does not charge or charges slowly
- Charger overheating in some cases
Causes
- Open or short circuit in the temperature sensor circuit
- Malfunction of the temperature sensor itself
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the charging system control unit
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect connectors and contacts for corrosion or damage
- Check the resistance of the temperature sensor
- Replace temperature sensor if necessary
- Scan the system for other errors
Related codes
Error P2E51 by Vehicle Brand
FAQ
What does the P2E51 code mean?
P2E51 is an OBD-II diagnostic trouble code that indicates: Battery Charger Coupler Temperature Sensor D Circuit Low
What causes a P2E51 error code?
The most common causes of P2E51 include: Open or short circuit in the temperature sensor circuit; Malfunction of the temperature sensor itself; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2E51 diagnostic trouble code?
To fix P2E51: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for corrosion or damage. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2E51?
Yes, but get it checked soon
How much does it cost to fix P2E51?
The estimated repair cost for P2E51 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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