OBD-II code · Powertrain (generic)
P0A2B Drive Motor A Temperature Sensor Range/Performance
The drive motor A temperature sensor signal is implausible relative to inverter losses and operating point.
Is it safe to drive with P0A2B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor drift
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Shop_only
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A, Motor Temperature Sensor
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.