Test Description

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The number below refers to the step number on the diagnostic table.

4. This step tests for voltage on the VSES mode switch signal circuit indicating an unpressed VSES mode switch.
5. This step tests for voltage on the VSES mode switch signal circuit indicating a pressed VSES mode switch.

Fig 1: DTC C0283 W/JL4 (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC C0283 W/JL4 (2 Of 2)

Courtesy of GENERAL MOTORS CORP.