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Connector End View Reference Component Connector End Views 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 Testing 1. Ignition OFF, disconnect the harness connector of the TBCM. 2. Ignition ON, test for 11 volts or greater between the IGN 1 voltage circuit terminal 15 and ground. If less than the specified voltage, test the IGN 1 voltage circuit for a short to ground or 3. If all circuits test normal, and the DTC resets as current, replace the TBCM. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for TBCM replacement, setup, and programming DTC C0870 Diagnostic Instructions IMPORTANT: Verify that stop lamp DTCs are not set as current or history before performing this diagnostic. If stop lamp DTCs are set as
2008 Chevrolet Silverado 1500 2008 BRAKES Trailer Brake Controls - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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