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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Antilock Brake System - Hybrid) >> Diagnostic Information and Procedures >> DTC C0880, C12E5, or C120F >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Verify DTC C0455 is not set.
  2. Verify DTC C0277 is not set.
  3. Ignition OFF, disconnect the harness connector at the electronic brake control position sensor.
  4. Ignition ON, test for 4.8-5.2 V between the 5 V reference circuit terminal 2 and ground.
    • If less than the specified range, test the 5 V reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
    • If greater than the specified range, test the 5 V reference circuit for a short to voltage. If the circuit tests normal, replace the EBCM.
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