Buick Encore: Malfunction Indicator Lamp
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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. T
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. T
This light should come on briefly
when the vehicle is turned on. If it
does not come on then, have it fixed
so it will be ready to warn you if
there is a problem.
When the vehicle is on, the brake
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Camshaft actuator system description
Camshaft Actuator System Overview
Fig. 1: Identifying Camshaft Actuator System Components
The camshaft actuator system enables the engine control module (ECM) to
change camshaft timing of all 4
camshafts while the engine is operating. The camshaft position
DTC B3664: Sunroof position select switch
DIAGNOSTIC CODE INDEX
DTC B3664: SUNROOF POSITION SELECT SWITCH
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
appro