This bulletin applies to 2015-2017 Buick LaCrosse and Enclave vehicles. Some customers may comment on a snapping or ticking noise and/or sparks in the engine compartment.
This bulletin applies to 2018 Buick Enclave, 2017-2018 LaCrosse and 2018 Regal vehicles. Some customers may comment that the MIL is on. The technician may find DTC P0459 (evaporative emission purge solenoid valve control circuit high voltage) set in the ECM as active or history.
This bulletin applies to 2010-2013 Buick LaCrosse and Enclave vehicles. A customer may comment that the charging system light is illuminated and/or the service battery charging system message is displayed.
Owners of 2008-2012 Buick Enclave vehicles may comment about a squeak or rattle noise from the steering column area.
Owners of 2009-2013 Buick Enclave vehicles equipped with 3.0L or 3.6L VVT direct injection V6 engines may comment about a clicking/ticking noise during cold starts.
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 2010-2012 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.
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.
This bulletin applies to 2009-2012 Buick Enclave models. The technician may not be able to locate the instrument panel inflatable restraint module pigtail connector and cannot find a location in SA2000.
Some owners of 2009-2011 Chevy Traverse vehicles (as well as 2008-2011 Buick Enclave, 2007-2011 GMC Acadia and 2007-2010 Saturn OUTLOOK) may complain about an intermittent no-crank/no-start, liftgate inoperative and/or warning lights on.
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