Test Description

The numbers below refer to the step numbers on the diagnostic table.

3. Measure the resistance of the wheel speed sensor in order to determine if the sensor has a valid resistance value.

4. Ensures that the wheel speed sensor is generating a valid AC voltage output.

Fig 1: DTC C0221-C0227 (Steps 1-2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC C0221-C0227 (Steps 3-10)

Courtesy of GENERAL MOTORS CORP.