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Home >> Cadillac >> 2011 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1746 (Antilock Brake System - Greater Than Or Equal To 3900 Kg (8600 Lb) GVW) >> Diagnostic Information and Procedures >> DTC C0201 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Suburban, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the EBCM.
  2. Test for less than 1 Ω between the ground circuits listed below and ground.
    • Terminal 1
    • Terminal 25
    • If greater than the specified range, test the ground circuits for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuits listed below and ground.
    • Terminal 13
    • Terminal 38
    • If the test lamp does not illuminate, test the B+ circuits for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the EBCM.
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