Test Description

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

1. 2. This step will determine if DTC P0227 is the result of a hard failure or an intermittent condition.

Fig 1: DTC P0227 (Steps 1-5)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0227 (Steps 6-14)

Courtesy of GENERAL MOTORS CORP.