DIAGNOSTIC CODE INDEX
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the di
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Drain the rear differential carrier. Refer to Differential Oil
Replacement .
Disconnect the propeller shaft from the rear differential and relocate
to the side. Refer to Two-Piece
Propeller Shaft R
Voice Command Button
Blue OnStar Button
Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system
that can connect to a live OnStar
Advisor for Emergency, Security,
Navigation, Connection, and
Diagnostic Services. OnStar
services may require a paid
subscription. OnSt