Some owners of 2007-2019 Chevy Avalanche, Silverado, Suburban or Tahoe vehicles, GMC Sierra and Yukon vehicles and Cadillac Escalades may comment on unwanted Stability Activation and/or a Service Stability message.
Some 2017 Cadillac Escalade vehicles (in addition to Chevy Suburban and Tahoe and GMC Yukon) may have been assembled with the wrong fasteners retaining the brake master cylinder to the brake vacuum booster.
This bulletin applies to 2015-2018 Cadillac Escalade vehicles equipped with a 6.2L L86 (gasoline direct injection) engine. The customer may see an SES light on, possibly accompanied by a rough running engine.
This bulletin applies to 2015-2017 Cadillac Escalade vehicles. Some customers may comment about a temporary loss of electric power steering assist (EPS) followed by a sudden return of EPS assist, particularly during low-speed turning maneuvers. The loss and sudden return of EPS assist typically happens within a 1-second period and is caused by an electrical/software issue.
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.
In rare cases, some owners of 2014 Cadillac Escalade vehicles equipped with a 6.2L engine may comment about the Service StabiliTrak message being displayed in the DIC. The StabiliTrak light may also be on.
Owners of 2007-2014 Cadillac Escalade vehicles may complain that the power liftgate is inoperative from all switches and the keyless entry transmitter only when the ignition is in the off position. If the ignition is in the accessory or run position, the liftgate will operate correctly.
Owners of 2007-2013 Cadillac Escalade vehicles may complain about a buzz or rattle noise during light acceleration around 1,200-2,000 rpm. The noise may also sound like a squeak, creak or tap which is coming from behind the instrument panel.
Some 2001-2013 Cadillac Escalades may show a Service Suspension System message on the DIC, and the rear suspension height may be incorrect. When checking for DTCs, the ESC (electronic suspension control) module will have C0696 or C0711 set.
This bulletin applies to 2007-2014 Cadillac Escalade and Escalade ESV vehicles. Some customers may state that the power liftgate is inoperative from all the switches and the keyless entry transmitter only with the ignition in the off position. If the ignition is in the accessory or the run position, the liftgate will operate correctly.
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