P0AB5
Hybrid/EV Battery Pack Air Temperature Sensor B Circuit Intermittent/Erratic
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the hybrid/EV battery pack air temperature sensor B circuit
- Inspect the hybrid/EV battery pack air temperature sensor B for any signs of damage or malfunction
- Replace the hybrid/EV battery pack air temperature sensor B
- Clear any stored error codes and check if they return
Common causes
Most likely first
- Faulty hybrid/EV battery pack air temperature sensor
- Wiring or connection issues related to the sensor
- Low battery charge or damaged hybrid/EV battery pack
- Extreme temperatures affecting sensor accuracy
How to diagnose & fix
Work through it in order
- Decreased fuel efficiency
- Illuminated check engine light
- Problems with starting or stalling
- Loss of power or acceleration
Read & clear P0AB5 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.