Test Description

The numbers below refer to the step numbers on the diagnostic table. See Fig 1.

1. 2
   
   Verifies that DTC B2947 is a current DTC.
2. 3
   
   Tests for a short to ground in the Passlock™ sensor or the pigtail harness.

Fig 1: DTC B2947 Diagnostic Table (Steps 1-10)

Courtesy of GENERAL MOTORS CORP.