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Home >> Chevrolet >> 2012 >> Tahoe Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1581 (Antilock Brake System - Non-Hybrid Less Than 3900 Kg (8600 Lb) GVW With TCS & VSES) >> Diagnostic Information and Procedures >> DTC C0186 or C0196 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC C0710 is not set.
  2. Ignition OFF, disconnect the harness connector at the yaw/lateral accelerometer sensor.
  3. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down. Test for less than 10 Ω between the ground circuit terminal 1 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  4. Disconnect the harness connector at the EBCM.
  5. Test for infinite resistance between the 12 V reference circuit terminal 32 of the EBCM connector and ground.
    • If not the specified value, test the 12 V reference circuit for a short to ground.
  6. Test for less than 2 Ω between the 12 V reference circuit terminal 32 of the EBCM connector and terminal 4 of the yaw/lateral accelerometer sensor connector.
    • If greater than the specified range, test the 12 V reference circuit for open/high resistance.
  7. If all circuits test normal, replace the yaw/lateral accelerometer sensor. If the DTC resets, replace the EBCM.
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