Hybrid/EV Powertrain Control Module A
The hybrid/ev powertrain control module a reports a generic fault. Internal self-tests fail or response time outside calibration.
Affected components
- Hybrid powertrain cm a
Common causes
- High likelihood: Internal module fault
- Medium likelihood: Communication degraded
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
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.