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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1574 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2615: Passenger Compartment Dimming 2 Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2. This step test determines if the problem exists in the wiring.
  2. 3. This step test determines if an open exists in the body wiring harness extension harness.
  3. 7. After replacement of the BCM you must calibrate the new module for proper operation.
Fig 1: DTC B2615 - Diagnostic Chart
G01640394Courtesy of GENERAL MOTORS CORP.
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