Internal Control Module Drive Motor/Generator - Engine Speed Sensor Performance
The hybrid control module detects an internal performance fault on the drive motor/generator engine speed sensor processing. Speed-based control may be impaired.
Affected components
- Hybrid control module
- Drive motor speed sensor
Common causes
- High likelihood: Internal control module fault
- Medium likelihood: Sensor signal lost
- Low likelihood: Sensor element aged beyond calibration window
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.