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Description and Operation Charging System Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References for scan tool information Circuit/System Verification Ignition ON, clear the DTC and start the engine. Verify DTC B1516 does not set as current. If the DTC sets, replace the GBCM. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for GBCM replacement, setup, and programming DTC B151B 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 B151B Current Sensor Polarity Error - GBCM Circuit/System Description
2008 Hummer H3 2008 ENGINE Engine Electrical - H3
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