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Home >> Chevrolet >> 2011 >> Traverse LS, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B153B >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the liftgate actuator switch.
  2. Test for less than 10 Ω between the low reference circuit terminal 2 and ground.
    • If greater than the specified range, test the low reference circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the liftgate control module.
  3. Ignition ON, verify that the scan tool LGM Full Open Switch parameter is Inactive.
    • If not the specified value, test the signal circuit terminal 1 for a short to ground. If the circuit tests normal, replace the liftgate control module
  4. Connect a 3 A fused jumper wire between the signal circuit terminal 1 and ground, verify that the scan tool LGM Full Open Switch parameter is Active
    • If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the liftgate control module
  5. If all circuits test normal, replace the liftgate actuator switch.
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