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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 241 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2625: Backlight Lamps Control Circuit, Instrument Panel Lamps Dimming Or LED Dimming Signal Circuit >> Test Description

Test Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 4.  After replacement of the BCM you must calibrate the new module for proper operation.
Fig 1: DTC B2625
G02422232Courtesy of GENERAL MOTORS CORP.
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