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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1617 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0161: ABS/TCS Brake Switch Circuit Malfunction >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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. 4. This step tests for a shorted stoplamp switch.
  2. 5. This step tests for an open stoplamp switch.
Fig 1: DTC C0161 (Steps 1-5)
G01481784Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC C0161 (Steps 6-12)
G01481785Courtesy of GENERAL MOTORS CORP.
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