Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
NOTE: Review the seat belt system description and operation in order to
familiarize yourself with the system and how it functions.
Visual/Physical Inspection
Inspect for aftermarket devices which co
SCHEMATIC AND WIRING DIAGRAMS
SHIFT LOCK CONTROL WIRING SCHEMATICS
Shift Lock Control
DIAGNOSTIC INFORMATION AND PROCEDURES
DTC B270A
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic System
Check - Vehicle
Review the description
OnStar Smart Driver provides
information about driving behavior to
help maximize overall vehicle
performance, reduce wear and tear,
and enhance fuel efficiency. An
Insurance Discounts Eligibility
feature is also offered within OnStar
Smart Driver. See www.onstar.com
for details regarding vehicle
eli