P2E77
Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit High
P2E77 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit High. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Incorrect battery temperature readings
- Possible power reduction
- Activation of emergency operation
Causes
- Coolant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the hybrid system control module
How to Fix
- Check the integrity of the sensor circuit
- Inspect the connectors and contacts of the sensor
- Check the resistance of the temperature sensor
- Replace the faulty sensor if necessary
- Reset the error code and check the system
Related codes
Error P2E77 by Vehicle Brand
FAQ
What does the P2E77 code mean?
P2E77 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit High
What causes a P2E77 error code?
The most common causes of P2E77 include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2E77 diagnostic trouble code?
To fix P2E77: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2E77?
Limited driving only, diagnose soon
How much does it cost to fix P2E77?
The estimated repair cost for P2E77 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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