P0A30
Drive Motor B Temperature Sensor Circuit
The ECM detects a circuit fault on the drive motor b temperature sensor. Reading cannot be used reliably for control.
Possible causes
- Sensor failed high
- Wiring or connector fault medium
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: easy
- DIY: possible
Pro mode: costs, time and components
Free with the newsletter by Fabian Brose: enter your name and email, confirm by mail – Pro mode is then unlocked on this device for 30 days. The newsletter arrives about every two weeks, unsubscribe at any time. Already subscribed? One click is enough – you will be recognised.
Unlock Pro mode for free