Why is my GMC power liftgate not working?
Why is my GMC power liftgate not working?
The liftgate all of a sudden stopped latching (locking) so had to bungee cord it to keep it closed since I was on the running errands. I could hear the motor (actuator) operating but the latch just does not engage, which leads me to believe the entire mechanism is faulty.
How can I Fix my power lift gate?
So here’s how you fix it: You can now pull the plastic body panel off the inside of the gate. It will require you to pull hard, be careful to disconnect the two electrical harnesses near the latch mechanism before removing the panel completely from the car. Assemble in the opposite order.
Why is the power latch on my Acadia not working?
The original post was really helpful. Just ran into the same issue with my 2008 Acadia where the latch stopped working ( the power lift and close hasn’t worked for a year ) and after replacing the power latch, the power lift/ close is working again also! Just a couple updates:
What to do if power liftgate does not close?
14) Straighten any misaligned terminals and reconnect the connectors. Verify proper opening and closing of the power liftgate. If DTC B153F is set, check that the male terminals in the liftgate object sensor connector to the liftgate harness are stable. Any misaligned terminals may cause intermittent electrical contact.
Where is the sensor on a power liftgate?
Remove the liftgate upper center and upper side trim panels to access the B71L Liftgate Object Sensor – Left or B71R Liftgate Object Sensor – Right connectors. (Fig. 15) Check for any bent or misaligned terminals in the liftgate object sensor male in-line connector.
Where is the liftgate assist actuator connector located?
Lower the left rear portion of the headliner to access the body harness to liftgate assist actuator connector. (Fig. 13) Inspect the body harness male in-line connector for any bent or misaligned terminals. (Fig. 14) Straighten any misaligned terminals and reconnect the connectors.
What is the DTC for the power liftgate?
DTCs B153E (Liftgate Position Sensor Signal Circuit), B153F (Liftgate Object Sensor Signal Circuit) or B396A (Left Liftgate Motor Control Circuit) may be set in the power liftgate module.
