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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> DTC B2278, B2279: Overcurrent Condition >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. 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. This tests if a door switch for an internal short to voltage or ground.
  2. This tests a door switch illumination circuits for a short to voltage or ground.
Fig 1: DTC B2278-B2279
G01451095Courtesy of GENERAL MOTORS CORP.
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