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Liftgate Relearn

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

To ensure proper relearning of the liftgate, the liftgate assembly must be at room temperature during the relearn process.

NOTE:

DTC B1019 00 will set automatically as an indicator that the system is in learn mode and not as a fault indicator. Once the travel limits are learned by the liftgate module, the liftgate module will exit learn mode and DTC B1019 00 become a history code.

If any portion of the power liftgate assembly is replaced, repaired or disassembled, perform the following liftgate relearn procedure:

  1. Connect the scan tool to the vehicle.
  2. Select Module Diagnosis:
  3. Select K39 Liftgate Control Module:
  4. Select Configuration/Reset Functions:
  5. Select Liftgate Maximum Open Position Learn:
  6. Press "Enter" and follow the on screen instructions:
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