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Home >> Hummer >> 2010 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Anti-Lock Brake System - Non-Hybrid Greater Than/Equal To 3900 Kg (8600 Lb) GVW With TCS & VES) >> Diagnostic Information and Procedures >> DTC C0201 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 GMC Yukon XL and 2008 Chevrolet Suburban. 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 ohm between the ground terminals 13 and 38 and ground.
    • If greater than the specified range, test the ground circuits for an open/high resistance.
  3. Verify that a test lamp illuminates between the B+ terminals 25 and 1 and ground.
    • 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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