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lamp should illuminate on all 3 circuits. If the test lamp does not illuminate on one of the battery positive voltage circuits, repair Connect a test lamp to battery positive voltage, at the EBCM harness connector touch the test If the test lamp does not illuminate on one of the ground circuits, repair open or short to If no wiring faults can be found, replace the EBCM/brake pressure modulator valve Repair Procedures Control Module References for EBCM and BPMV replacement, setup and programming DTC C0240 OR P0856 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors DTC C0240 PCM Traction Control Not Allowed DTC P0856 Traction Control Torque Request Circuit Circuit/System Description C0240 IMPORTANT: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure.
2007 Hummer H3 2007 BRAKES Antilock Brake System - H3
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