Buick Encore: Lighting
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The exterior lamp control is on the
instrument panel to the left of the
steering column.
There are four positions:
: Turns the exterior lamps off
and
deactivates the AUTO mode. Turn
O again to re
When it is dark enough outside and
the exterior lamp control is in the
automatic position, the headlamps
come on automatically. See Exterior
Lamp Controls
The vehicle has a light sensor on
top of th
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Emissions Related DTCs
Action Taken When the DTC Sets - Type A
The control module illuminates the malfunction indicator lamp (MIL) when
the diagnostic runs and fails.
The control module records the operating conditions at the time the
diagnostic fails. The control module
stores this informat
DTC B1405: Control module voltage reference output 2
DIAGNOSTIC CODE INDEX
DTC B1405: CONTROL MODULE VOLTAGE REFERENCE OUTPUT 2
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of th