Circuit/System Verification
- Ignition ON.
- Verify the scan tool Brake Transmission Shift Interlock Solenoid Actuator Command parameter changes from Inactive to Active when the brake pedal is applied.
- If the parameter does not change
Refer to Stop Lamps Malfunction
- If the parameter changes
- If the parameter does not change
- Verify the scan tool Driver Seat Belt Status and Passenger Seat Belt Status parameter changes between Buckled and Unbuckled when the seat belt is buckled and unbuckled.
- If the Driver Seat Belt Status and Passenger Seat Belt Status parameter does not change
Refer to Symptoms - Seat Belts
- If the Driver Seat Belt Status and Passenger Seat Belt Status parameter changes
- If the Driver Seat Belt Status and Passenger Seat Belt Status parameter does not change
- Verify the transmission shift lever moves out of the PARK position when the brake pedal is applied.
- If the transmission shift lever does not move out of the PARK position
Refer to Circuit/System Testing.
NOTE:Vehicles with the Safety Belt Assurance System, will not allow the vehicle to shift out of PARK if the driver and front outboard passenger, if present, do not have safety belt(s) buckled. Buckle the safety belt(s) to unlock the shifter. This system may not allow the vehicle to shift out of PARK if an object such as a briefcase, handbag, grocery bag, laptop, or other electronic devices is on the front outboard passenger seat. If this happens, remove the object from the seat or buckle the safety belt.
- If the transmission shift lever does move out of the PARK position
All OK.
- If the transmission shift lever does not move out of the PARK position