INTRODUCTION
ARROWS AND SYMBOLS
This service manual uses various symbols in order to describe different
service operations.
Fig. 1: Identifying Different Service Operations Symbols
ACRONYMS AND U
DTC B2955: Security sensor data circuit
DIAGNOSTIC CODE INDEX
DTC B2955: SECURITY SENSOR DATA CIRCUIT
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.
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer. See
the warranty manual for
information regarding the tire
warranty and where to get
service. For additional
information refer to the tire
manufacturer.
Warning
Poorly maintained and
improperly used tires are
danger