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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transfer Case - NVG 236/246-NP8 (Two-Speed Automatic) Service) >> Diagnostic Information and Procedures >> DTC C0376: Vehicle Speed On Class 2 Data Bus >> Test Description

Test Description

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

2. Helps determine if the transfer case speed sensors are working properly.

3. Tests to see if the DTC will reset.

4. Inspects for mismatches and whether speed sensors are wired correctly.

5. Inspects the transfer case for mechanical failures.

Fig 1: DTC C0376
G01671183Courtesy of GENERAL MOTORS CORP.