This bulletin applies to a number of GM products including 2013-2015 Cadillac ATS/2012-2015 SRX, 2012-2017 Buick LaCrosse/Regal/Verano, 2012-2017 Chevy Caprice, 2016-2018 Captiva/ 2011-2017 Equinox/2012-2018 Impala and 2011-2017 GMC Terrain.
Several GM vehicle models may feature two distinctively different-looking per-cylinder valve-cover-mounted ignition coils. This is due to a supplier difference and, according to GM, does not affect performance or serviceability.
This bulletin applies to 2013 - 2019 Cadillac ATS vehicles. Some customers may comment that the headlamp horizontal aim is out of alignment.
Some owners of 2007-2009 Cadillac SRX, 2007-2010 STS or 2008-2010 CTS equipped with all-wheel-drive (MX7) and 6L45 (MYA) or 6L50 (MYB) automatic transmission may comment that the vehicle has no forward or reverse gear at launch or has a grinding noise when forward or reverse gear is selected.
This bulletin involves 2015-2017 Cadillac ATS, SRX, CTS, CT6 and XTS vehicles. A snapping or ticking noise at the harmonic balancer may be heard, or sparks may be observed at the balancer.
This bulletin applies to 2010-2015 Cadillac SRX vehicles. In “rare” cases, the brake pedal may not raise or seem stuck down after a normal braking event.
This bulletin applies to 2012 Cadillac SRX models. DTC P062F may be set in the ECM, active or in history. This code can falsely set during a low battery condition. This can also trigger certain HO2S heater sensor codes (P0030, P0036, P0050, P0053, P0054, P0059, P0060, P0135, P0141, P0155 and/or P0161).
This bulletin applies to 2010-2013 Cadillac SRX models. A no-start or other concern may be experienced after swapping an ECM or other modules from one vehicle to another.
This bulletin applies to 2006-2014 GM passenger cars and trucks equipped with OnStar Gen 7, Gen 8, Gen 9 or FCP1. The OnStar system may not power up, with no LED illumination and/or no response from the OnStar button assembly. This issue may be accompanied by no communication with the scan tool as well.
This bulletin applies to 2013-2015 Cadillac XTS models. In “rare” cases, the brake pedal may not raise or seem to be stuck down after a normal braking event.
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