Mike's Workshop Manuals
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Chevrolet
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2006
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Uplander Base
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Repair and Diagnosis
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Brakes
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Antilock Brake System With Traction Control System & Stability Control System
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Diagnostic Information and Procedures
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DTC C0121
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Diagnostic Aids
Diagnostic Aids
The solenoid valve relay is integral to the EBCM. The relay is not serviceable.