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Home >> GMC >> 2022 >> Terrain AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 292 (Vehicle Access System) >> Diagnostic Information and Procedures >> DTC B1019 - Liftgate Control Module >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2021 GMC Terrain and 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Perform the Liftgate Calibration . The K39 Liftgate Control Module should learn the travel limits, exit the calibration mode, and B1019 00 will become a history code.
    • If the K39 Liftgate Control Module does not exit the calibration mode or if B1019 00 does not become a history code. 

      Replace the K39 Liftgate Control Module

    • Go to next step: If the K39 Liftgate Control Module does exit the calibration mode and B1019 00 becomes a history code. 
  3. All OK.
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