Normal Operation
The speed control actuator receives a vehicle speed signal on circuit 679 (GY/BK) from the powertrain control module (PCM).
Possible Causes
- Circuit 679 (GY/BK) open, short to voltage, or short to ground
- Speed control actuator
The speed control actuator receives a vehicle speed signal on circuit 679 (GY/BK) from the powertrain control module (PCM).
Possible Causes