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Home >> Chevrolet >> 2011 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Door Lock System & Door Handles) >> Diagnostic Information and Procedures >> DTC B3849 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the B27A door handle switch - driver exterior.
  2. Ignition ON, verify the scan tool Exterior Driver Door Handle Switch parameter is Inactive.
    • If not the specified value, test the signal circuit terminal 2 for a short to ground. If the circuit tests normal, replace the K84 keyless entry control module.
  3. Connect the a 3 A jumper harness between the signal circuit terminal 2 and ground. Verify the scan tool Exterior Driver Door Handle Switch parameter is Active.
    • If not the specified value, test the signal circuit terminal 2 for a open/high resistance. If the circuit tests normal, replace the K84 keyless entry control module.
  4. If all circuits test normal, test or replace the B27A door handle switch - driver exterior.
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