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.
Affected components
- Drive motor a control module
Common causes
- High likelihood: Internal module fault
- Medium likelihood: Communication degraded
- Low likelihood: Module software outdated, reflash may resolve
Possible symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.