Buick Regal 2018-2026 Service Manual / Steering & Driveline & Axle / Steering Wheel and Column / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
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Symptoms - Steering Wheel and Column
NOTE: Review the system operation in order to familiarize yourself with
the system
functions.
Refer to Steering Wheel and Column Description and Operation.
Symptoms List
Refer to a symptom diagnostic
Heated Steering Wheel Malfunction
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy
SEE MORE:
Malfunction Indicator Lamp
(Check Engine Light)
This light is part of the vehicle's
emission control on-board
diagnostic system. If this light is on
while the engine is running, a
malfunction has been detected and
the vehicle may require service. The
light should come on to show that it
is working when the ignition is in
Service Mode.
Malfunctio
DTC P0856
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
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