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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Transfer Case (NVG226-NP8)) >> Diagnostic Information and Procedures >> DTC C0374: Unable To Correct Sensed Wheel Slip >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2.  Helps determine if the DTC set due to a mechanical or an electrical fault.
  2. 3.  Tests the integrity of the Motor Feed circuit.
  3. 4.  Determines whether the Encoder Motor is moving to the proper position.
Fig 1: DTC C0374
G01705683Courtesy of GENERAL MOTORS CORP.
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