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 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.
This bulletin applies to all 2011-2012 GM passenger cars and light-duty trucks. In the event that an OnStar module had previously acquired a GPS signal with calibrated dead reckoning and is transported or towed at least 59 miles with the ignition off, the module may not re-acquire a current GPS location.
Some owners of 2013-2014 Cadillac XTS vehicles may complain about a squeak or chirp noise from the rear of the vehicle, noticeable at low speeds with the window open. This is caused by a squeak at the axle-to-seal interface due to lack of lubrication.
This bulletin applies to 2013-2014 Cadillac XTS, ATS, CTS and SRX models. Some customers may comment on the SES light on. A technician may find DTCs P0097, P00F4, P0113, P2229 and/or P0102 set.
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.
Some owners of 2013-2014 Cadillac XTS vehicles may comment on the SES (service engine soon) light on. Upon inspection the technician may find DTCs P0097, P00F4, P0113, P2229 and/or P0102 set.
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