P0AC5
Hybrid/EV Battery Temperature Sensor B Circuit
P0AC5 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor B Circuit. Common causes: temperature sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.
Symptoms
- Hybrid system power reduction
- Malfunction warning on the dashboard
- Reducing the range of an electric vehicle
- Battery overheating
- Incorrect battery temperature readings
Causes
- Temperature sensor B fault
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Battery management module malfunction
- Wiring harness damage
How to Fix
- Check continuity of temperature sensor B circuit
- Inspect the connectors and contacts of the sensor
- Replace faulty temperature sensor
- Check and replace wiring harness if necessary
- Test the battery management module
Related codes
Error P0AC5 by Vehicle Brand
FAQ
What does the P0AC5 code mean?
P0AC5 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor B Circuit
What causes a P0AC5 error code?
The most common causes of P0AC5 include: Temperature sensor B fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Battery management module malfunction.
How do I fix a P0AC5 diagnostic trouble code?
To fix P0AC5: Check continuity of temperature sensor B circuit. Inspect the connectors and contacts of the sensor. Replace faulty temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AC5?
Do not drive — repair immediately
How much does it cost to fix P0AC5?
The estimated repair cost for P0AC5 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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