Why is the Buick GL8 power sliding door not responding?

1 Answers
DiCharles
07/28/25 3:25pm
It may be due to a dead battery – try replacing the battery. Alternatively, the distance might be too far to receive the signal; try moving closer. Another possibility is releasing the button too quickly before the power sliding door control box can react – try holding the button for 1-2 seconds. It could also be that the relay controlling the receiver is damaged, requiring inspection and repair. Reasons for the power sliding door not responding when pressing the switch are as follows: 1. Reason one: Check if the power supply is functioning. If there is no power, connect a 220V single-phase power supply. 2. Reason two: Open the control box and press the remote control to observe whether the signal indicator on the circuit board lights up. If it doesn’t, replace the remote control or battery. 3. Reason three: Press the stop button on the circuit board and observe whether the stop signal light for the motor lights up. If it doesn’t, replace the control motherboard. 4. Reason four: If pressing the button on the circuit board lights the indicator but the motor doesn’t turn, replace the motor starting capacitor or the motor itself. 5. Reason five: If pressing the button on the circuit board lights the indicator and the motor spins but the door doesn’t move, it may be in neutral gear, requiring both motors to engage the clutch.
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