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Chevy Suburban

Chevy ABS Recall

General Motors is recalling certain 2014-2020 Chevy Silverado 1500, Suburban and Tahoe vehicles equipped with a 5.3L engine, 3.08-ratio rear axle and four-wheel drive.

ABS-Related Recall

GM is recalling certain 2015-2020 GMC Yukon vehicles equipped with a 5.3L engine, a 3.08-ratio rear axle and four-wheel-drive. If a wheel speed sensor fails, while the vehicle is travelling between 41 mph and 60 mph in four-wheel or automatic mod, the EBCM (electronic brake control module) software may activate the driveline protection system.

Buzzing Suburban

This bulletin applies to 2009-2019 Chevy Suburban vehicles. A high-pitched whine or buzz noise may be heard with the key on and engine off, or for up to one minute after the engine has been shut off.

Cat Replacement Caution

This bulletin applies to 2002-2018 Chevy Escalade, Avalanche, Express, Silverado, Tahoe and Suburban models, Cadillac Escalade, Hummer H and GMC Savana, Sierra and Yukon models.

Modifications Can Cause Codes

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.

Bad Nuts

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.

Mixed Up Coils?

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.

GM SIR MIL

This bulletin applies to 2007-2013 Chevy Avalanche, Silverado, Suburban and Tahoe; Cadillac Escalade; and GMC Sierra and Yukon models. During a low battery/voltage condition, the Passenger Presence System (PPS) may set a B1325 and/or B1000 along with other faults that are caused by a low battery/voltage condition.

Another Mystery Buzz

Some owners of 2007-2013 Chevy Avalanche, Silverado, Suburban and Tahoe models 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 coming from behind the instrument panel. This could be caused by the fuel line or fuel line bracket above the transmission contacting the floor pan.