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Home >> Chevrolet >> 2012 >> Traverse LS, AWD >> Repair and Diagnosis >> Body & Frame >> Fixed And MOVEABLE Windows >> Diagnostic Information and Procedures >> DTC B3821 or B3824 >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the appropriate rear window switch.
  2. Ignition ON, verify the scan tool LR Window Enable Cmd. and RR Window Enable Cmd. parameters are On.
    • If not the specified value, press the window lockout switch on the driver master control.
  3. Test for greater than 9 volts between the control circuit terminal D and ground.
    • If less than the specified range, test the control circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the BCM.
  4. If all circuits test normal, replace the rear window switch.
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