Test Description

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

1. 2. To set this code, a key with a working transponder was read by the theft deterrent control module. For that key to operate the vehicle, a 10 Minute or 30 Minute Re-Learn Procedure must be performed.

Fig 1: DTC B3031 Diagnosis Procedure (Step 1 To 3)

Courtesy of GENERAL MOTORS CORP.