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GMC
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2003
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Jimmy 2D Utility, Automatic, Standard
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Repair and Diagnosis (Single Page)
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Brakes
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Anti-Lock Brakes
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Antilock Brake System
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Diagnostic Information and Procedures
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DTC C0269 or C0274: Excessive Dump/Isolation Time
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Conditions for Setting the DTC
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C0274
Conditions for Setting the DTC: C0274
The EBCM commands an isolation solenoid ON for 255 consecutive seconds.