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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 883 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0269 or C0274: Excessive Dump/Isolation Time >> Test Description

Test Description

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

  1. Performing solenoid tests determines if there is a mechanical malfunction inside the BPMV. Perform dump valve solenoid tests for DTC C0269 or isolation valve solenoid tests for DTC C0274.
Fig 1: DTC C0269 Or C0274 - Diagnostic Procedure Table
G01468864Courtesy of GENERAL MOTORS CORP.
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