Component Testing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at M7 Transmission Shift Lock Control Solenoid Actuator.
- Install a 10 A fused jumper wire between the control terminal A and 12 V. Momentarily install a jumper wire between the ground terminal B and ground.
- Verify the M7 Transmission Shift Lock Control Solenoid Actuator turns on and off/clicks, etc.
- If the M7 Transmission Shift Lock Control Solenoid Actuator does not turn on and off/clicks, etc
Replace the M7 Transmission Shift Lock Control Solenoid Actuator.
- If the M7 Transmission Shift Lock Control Solenoid Actuator does turn on and off/clicks, etc
- If the M7 Transmission Shift Lock Control Solenoid Actuator does not turn on and off/clicks, etc
- All OK.