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Home >> Cadillac >> 2008 >> XLR Base >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0900 >> Circuit/System Verification

Circuit/System Verification

  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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