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Liftgate Release Switch Malfunction

  1. Ignition OFF, disconnect the harness connector at the liftgate switch.
  2. Test for less than 1 ohm between the ground circuit terminal C and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, test for greater than 9 volts between the signal circuit terminal A and ground.
    • If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  4. Install a 3A fused jumper wire between the signal circuit terminal A and ground. Verify the scan tool Trunk Release Solenoid parameter is On.
    • If not the specified value, test the signal circuit for a short to voltage. If the circuit tests normal, replace the BCM.
  5. If all circuits test normal, test or replace the liftgate release switch.
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