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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 623 (Transfer Case - NVG 246-NP8 (2-Speed Automatic)) >> Diagnostic Information & Procedures >> DTC C0376: Greater Than 20% Difference In The Speed Sensor Inputs >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 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. 2)  - Helps determine if the transfer case speed sensors are working properly.
  2. 3)  - Tests to see if the DTC will reset.
  3. 4)  - Inspects for mismatches and whether speed sensors are wired correctly.
  4. 5)  - Inspects the transfer case for mechanical failures.
Fig 1: DTC C0376 Diagnosis
G01668677Courtesy of GENERAL MOTORS CORP.
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