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Home >> Chevrolet >> 2007 >> Impala SS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System & Traction Control System >> Diagnostic Information and Procedures >> DTC C0899 >> Circuit/System Testing

Circuit/System Testing

  1. Measure the voltage at the battery terminals.
  2. With scan tool read the ignition voltage in the EBCM data list. Verify that battery terminal voltage and ignition voltage readings do not differ more than 1 volt.
    • If more than 1 volt test the ground circuit of the EBCM for high resistance or replace the EBCM.
  3. Go to Charging System Test .
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