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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 643 (Anti-Lock Brake System) >> Diagnostic Information & Procedures >> DTC C0269, C0274: Excessive Dump/Isolation Time >> Conditions for Setting the DTC >> C0274

Conditions for Setting the DTC: C0274

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The EBCM commands an isolation solenoid ON for 255 consecutive seconds.