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Home >> Hummer >> 2007 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 1463 (Antilock Brake System - Non-Hybrid Less Than 3900 Kg (8600 Lb) GVW) >> Diagnostic Information and Procedures >> DTC C0710 >> Circuit/System Testing >> Both DTC C0710 and C1100 Set

Both DTC C0710 and C1100 Set

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet 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 brake booster vacuum sensor and the steering angle sensor.
  2. Ignition ON, test for 4.8 - 5.2 V between the 5 V reference circuit terminals listed below and ground.
    • Terminal 3 at the brake booster vacuum sensor
    • Terminal 1 at the steering angle sensor
    • If less than the specified range, test both 5 V reference circuits for a short to ground. If the circuits test normal, replace the EBCM.
    • If greater than the specified range, test both 5 V reference circuits for a short to voltage. If the circuits test normal, replace the EBCM.
  3. If all circuits test normal, test or replace the brake booster sensor or steering angle sensor as required.
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