Various Engine Noises During Cold Start and Warm Engine Operation – 2014-2020 Cadillac Chevrolet GMC

2019 Chevrolet Silverado

NHTSA ID Number: 10174305 Manufacturer Communication Number: 140604004F   Summary This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.   91 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2016, 2018-2019 CADILLAC ESCALADE 2015-2020 CADILLAC ESCALADE ESV 2015-2020 CHEVROLET … Read more

Exhaust Fluid Quality Poor Message Displayed, Reductant Fluid Quality Test Status will Pass, Time Out, Fail or Interrupt – 2010-2016 Chevrolet & GMC with Duramax Diesel 6.6L Engine

2016 Chevrolet Silverado

NHTSA ID Number: 10126345 Manufacturer Communication Number: PI1214B   Summary This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant Fluid Quality Test status that will Pass, Time Out, Fail or Interrupt and other … Read more

Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions – 2007-2020 Buick Cadillac Chevrolet GMC Opel

2018 Cadillac XTS

NHTSA ID Number: 10163270 Manufacturer Communication Number: 130232001F Summary This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.   179 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2012-2017 BUICK LACROSSE 2009-2013 BUICK REGAL 2011-2013 CADILLAC … Read more

Removing / Disabling Rear Park Assist – 2007-2022 Chevrolet & GMC

Chevrolet & GMC

NHTSA ID Number: 10204465 Manufacturer Communication Number: PIT5039E Summary This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. … Read more

Information on Diesel Fuel Additives – GM Chevrolet and GMC Light Duty and Medium Duty Trucks

General Motors

NHTSA ID Number: 10222823 Manufacturer Communication Number: 03-06-04-017R Summary This service bulletin provides information on availability of Diesel Fuel additives.   TOP TIER Detergent Diesel is highly recommended for use with diesel vehicles. If your area does not have TOP TIER Detergent Diesel, GM recommends the use of ACDelco Diesel Fuel Conditioner. This will help you maintain … Read more