For service and parts needs, visit
your dealer. You will receive
genuine GM parts and GM-trained
and supported service people.
Genuine GM parts have one of
these marks:
California Proposition
65 War
Warning:
It can be dangerous to work on
your vehicle if you do not have
the proper knowledge, service
manual, tools, or parts. Always
follow owner's manual procedures
and consult the service manual
fo
CRUISE CONTROL DESCRIPTION AND OPERATION (WITHOUT ADAPTIVE CRUISE
CONTROL)
DD - Serial Data - GMLAN High Speed
K20 - K20 Engine Control Module
S70L - S70L Steering Wheel Controls Switch - Left
P16 - P16 Instrument Cluster
K9 - K9 Body Control Module
Cruise control is a speed control system that mai
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.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT