Buick Regal: Keys and Locks
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Warning:
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or o
The Keyless Access system allows
for vehicle entry when the Remote
Keyless Entry (RKE) transmitter is
within 1m (3 ft). See "Keyless
Access Operation" later in this
section.
The RKE transmitter funct
When the doors are locked and the
RKE transmitter is within 1m (3 ft)
of the driver door handle, pressing
the lock/unlock button on the driver
door handle will unlock the driver
door. If the lock/unlo
SEE MORE:
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 provide an overview of each diagnostic
category.
DTC Descriptors
DTC P2122
System Component Description
B19B - B19B Brake Booster Vacuum Sensor
K17 - K17 Electronic Brake Control Module
M9 - M9 Brake Booster Pump Motor
The brake booster vacuum assist system consists of the following:
Brake Booster Auxiliary Vacuum Pump (electric or mechanical)
The brake booster vacuum pu