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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0800 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the distance sensing cruise control (DSCC) module.
  2. Ignition OFF, test for less than 1.0 ohm of resistance between the ground circuit terminal 6 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, test for greater than 9.2 volts between the ignition 1 voltage circuit terminal 1 and ground.
    • If less than the specified value, test the circuit for an open/high resistance.
  4. If all circuits test normal, test or replace the DSCC module.
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