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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1289 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0274: Excessive Dump/Isolation Time >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Pontiac Vibe. 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. 2. This step determines if the DTC is current.
Fig 1: Diagnostic System Check - DTC C0274
G01546225Courtesy of GENERAL MOTORS CORP.