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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 767 (Transfer Case - NVG 136-NP4 (1-Speed Automatic)) >> Diagnostic Information & Procedures >> DTC C0611 >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. 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)  - Tests whether the condition is module, system or condition related.
  2. 4)  - Tests whether the condition has been corrected or identified as specified in the supporting text.
  3. 5)  - Replaces the transfer case shift control module.
Fig 1: DTC C0611 Diagnosis
G02502163Courtesy of GENERAL MOTORS CORP.