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) - This step requires the technician to perform the diagnostic procedure for the control module.
2) - The minimum high limit is the value of voltage above which the code will set. The maximum low limit is the value of voltage below which the code will set.
3) - Test for the proper operation of the position 1 or position 2 circuit in the high voltage range. Use a connector test adaptor kit in order to jumper the connections between the rear position sensor and the harness connector.
4) - Test for the proper operation of the position 1 or position 2 circuit in the high voltage range.
5) - Test for short to ground in the 5 volt reference circuit.

Fig 1: DTC C0522 Diagnosis (Steps 1-6)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC C0522 Diagnosis (Steps 7-15)

Courtesy of GENERAL MOTORS CORP.