Oct. 29, 2024
As electric vehicles gain popularity, power lift gates have become increasingly important components in the automotive market. However, these tailgates can encounter various faults during use. To assist global automotive parts traders, importers, and suppliers in better serving their customers, the following is a detailed overview of common electric tailgate faults and their solutions.
Common reasons for Smart Power Liftgates not functioning include:
Electrical Power Issues: Verify that the power source is correctly connected and operational.
Blown Fuses: Check and replace the fuses on the power supply and control box.
Poor Ground Connection: Ensure that the ground wire is securely connected to guarantee circuit integrity.
Incorrect Lock Detection Wiring: Inspect and reconnect the lock detection wiring as necessary.
Insufficient Battery Charge: Check the battery condition and recharge or replace it if needed.
Damaged Control Box: Replace any damaged control boxes.
Abnormal closure of the tailgate may result from:
Incorrect Bracket Installation: Ensure that the bracket is installed correctly and that the screws are of the appropriate type.
Missing Waterproof Tape or Interior Panels: Install waterproof tape and interior panels, ensuring that connecting cables are correctly installed.
Improperly Installed Latch Components: Reinstall latch components to ensure proper fixation to the vehicle base.
Elevated Tailgate Bumpers: Adjust the position of the tailgate bumpers to allow for normal lowering.
Inconsistent Gaps Between Tailgate and Vehicle Body: Carefully compare gaps before installation to ensure even spacing post-installation.
Inoperable Secondary Lock: First secure the primary lock, then adjust the cushioning pad on the locking hook.
Power latch malfunctions can occur due to:
Incorrect Lock Detection Wiring: Reconnect the lock detection wiring according to installation instructions.
Poor Connection of Power Latch Wiring: Check and repair the wiring connections.
Faulty Vehicle Fuses: Inspect and replace any faulty fuses.
Cable Obstruction or Insufficient Bend Radius: Ensure cables are unobstructed and have a bend radius greater than 60 degrees.
Damaged Components: Replace any damaged cables, power latch units, or control boxes.
Faulty Tailgate Switch Wiring: Inspect and repair the grounding of the tailgate switch wiring.
Stuck Buttons: Check and repair front and rear buttons as needed.
Abnormal strut operation may stem from:
Improperly Connected Strut Wiring: Ensure that the strut wiring is properly connected, with good contact on the Hall effect wires.
Incorrect Lock Detection Wiring: Reconnect as per installation guidelines.
Issues with Control Box Ground or Power Wires: Inspect and repair grounding and power wiring for the control box.
Damaged Struts or Control Box: Replace any damaged struts or control boxes.
If the tailgate will not open, the common causes include:
Vehicle Not Unlocked: Use the remote to unlock the vehicle before attempting to open the tailgate.
Incorrect Lock Detection or Drive Wiring: Reconnect the lock detection or drive wiring according to installation instructions.
Faulty Vehicle Fuses: Check and replace any faulty fuses.
Damaged Control Box: Replace any damaged control boxes.
If the remote control fails to operate the tailgate, possible causes include:
Incorrect CAN and Lock Detection Wiring: Reconnect according to installation instructions.
Faulty Tailgate Switch Wiring: Reconnect the tailgate switch wiring according to guidelines.
Damaged Control Box or Remote: Inspect and replace damaged control boxes or remotes, ensuring the remote has sufficient battery power.
Modification Impact: Check for any modifications, such as one-touch window or start features, that may require adjustments.
Changes in CAN Information: If CAN information has been modified, restore to original settings.
The front button's failure to operate the tailgate may be due to:
Incorrect Tailgate Switch Wiring: Reconnect according to installation instructions.
Button Connection Issues: Inspect and repair wiring for the front button.
Damaged Button: Replace any damaged front buttons.
Malfunctions of the rear button may result from:
Connection Issues with Rear Button Wiring: Inspect and repair the wiring connections.
Incorrect Tailgate Switch Wiring: Reconnect as per installation instructions.
Damaged Button: Replace any damaged rear buttons.
Issues with the height memory function can arise from:
Incorrect Memory Position: Ensure the tailgate's height memory position is within the control box's memory range.
Incomplete Initialization: After programming the height memory, ensure a tailgate closure operation is performed to complete initialization.
Following the installation of an rear Trunk drive, a comprehensive inspection of the vehicle is necessary to confirm that the installation has not impacted other systems. If any issues arise, prompt adjustments or repairs should be made.
This guide aims to provide global automotive parts traders and suppliers with comprehensive solutions for electric tailgate faults, assisting in enhancing product quality and customer satisfaction while boosting market competitiveness.
