Possible Causes
- Electrical Cause
- Mechanical Cause
- The powertrain control module has determined failures where some circuit quantity, reported through serial data, is below a specified range
- Prioritized List of Possible Causes
- Other speed control system failure related DTCs
- Other communications bus network failure related DTCs
- Speed control system failure connector is disconnected, connector pin is backed out, connector pin corrosion
- Cruise Control Module power or ground circuit short circuit to ground, circuit short circuit to power