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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 C0315 >> 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 number(s) below refer to the step number(s) on the diagnostic table.

  1. 2)  - Listen for an audible motor noise when the encoder motor operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3)  - Tests the motor ground circuit for an open.
Fig 1: DTC C0315 Diagnosis
G02502159Courtesy of GENERAL MOTORS CORP.
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