LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 271 (Fixed And MOVEABLE Window System) >> Diagnostic Information and Procedures >> DTC B3821 or B3824: Left/Right Rear Window Relay Power Circuit >> Circuit/System Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Testing

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  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.
scientia non olet · About LEMON Manuals