In “rare” cases, it has been reported that there is a lack of or no power steering assist on 2012 Buick Regal vehicles equipped with electric power steering. The cause is likely a poor connection at G111 ground (see indicated by red arrows in photo).
Owners of a 2010-2012 Buick Enclave equipped with aluminum wheels may comment about a tick, creak or click noise coming from the wheels when turning and driving at low speeds. The noise may be more prominent at the front wheels and may be more common in warm weather.
This bulletin applies to 2010-2014 Buick LaCrosse vehicles where an intermittent no-crank concern is found.
In “rare instances,” 2012 Buick Regal vehicles equipped with L61, LE5, LEA, LAF, LHU, LNF or LSJ engines may exhibit engine overheating or coolant temperatures that are abnormally high.
This bulletin applies to 2013-2014 Buick Encore vehicles equipped with a 4-cylinder engine. The concern may involve an intermittent engine no-crank condition.
This bulletin applies to 2012/2013 Buick Regal vehicles with the MIL on and with DTC P0442 set as current or in history (EVAP system small leak canister vent solenoid valve not sealing under vacuum).
This bulletin applies to 2010-2012 Buick LaCrosse and 2008-2012 Enclave models. The customer may comment that the DIC (driver information center) displays a “Transmission Hot – Idle Engine” message. The technician may find DTC P0218 or P0634 stored.
This bulletin applies to 2011-2012 Buick Regal models equipped with L61, LE5, LEA, LAF, LHU, LNF or LSJ engines. “In rare instances,” the engine may overheat or the coolant temperature my run abnormally high.
This bulletin applies to a number of GM vehicles equipped with a 6T30/40/45 automatic transmission, including 2010-2012 Buick LaCrosse, 2011-2012 Buick Regal, 2012 Buick Verano, 2011-2012 Chevy Cruze, 2008-2012 Chevy Malibu, 2010-2012 Chevy Equinox, 2010-2012 GMC Terrain, 2008-2010 Pontiac G8, 2008-2010 Saturn Aura and 2012 Chevy Sonic.
Some owners of select GM vehicles may comment on a low brake pedal during braking. See the application list at the end of this bulletin.