Powertrain
generic / SAE
P0A1B
Drive Motor A Control Module Performance
The drive motor a control module reports a generic fault. Internal self-tests fail or response time outside calibration.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 1B
Possible causes
- Internal module fault high
- Communication degraded medium
- Module software outdated, reflash may resolve low
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 500–3500 €
- Estimated time: 3–12 h
- Component: drive motor a control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012