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Home >> Chevrolet >> 2012 >> Chevy Express G1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 1777 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information & Procedures >> DTC C0900 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. If the DTC is history, or if other modules also have high voltage DTCs stored, refer to Charging System Test .
  2. Start the engine, record the voltage at the battery terminals. Observe the scan tool Battery Voltage Signal parameter in the EBCM data list. Voltages should not differ by greater than 1 volt.
    • If the difference is greater than 1 volt, replace the EBCM.
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