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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1780 (Rear Wheel Steering System) >> Diagnostic Information and Procedures >> DTC C0455: Steering Position Sensor Circuit Malfunction (VES) >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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. 3. This step will help determine if the 5 volt reference circuit is open.
  2. 4. This step will help determine if the sensor return circuit is open.
  3. 5. Test for the proper operation of the phase A circuit.
  4. 7. Test for the proper operation of the phase B circuit.
  5. 9. Test for the proper operation of the marker pulse circuit.
  6. 11. Test for the proper operation of the sensor signal circuit.
  7. 14. Test for a short to ground in the 5 volt reference circuit.
    Fig 1: DTC C0455 (Steps 1-5)
    G01479911Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC C0455 (Steps 6-17)
G01479912Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC C0455 (Steps 18-25)
G01479913Courtesy of GENERAL MOTORS CORP.
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