2-3 Upshift Slip or Flare – 2006-2023 Cadillac Chevrolet GMC Hummer

General Motors

NHTSA ID Number: 10222832 Manufacturer Communication Number: 22-NA-185 Summary This informational bulletin explains how the trans slip or flare can be a normal condition.   Condition Some customers may comment on a 2-3 upshift slip or flare.   Cause This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair … Read more

Clock Shows Dashes And Cannot Be Set After Battery Disconnect – 2004-2012 Cadillac Chevrolet GMC Hummer Pontiac Saab

2012 Chevrolet Corvette

NHTSA ID Number: 10162113 Manufacturer Communication Number: PIT5652E Summary This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time.   Dealer technicians are advised of a temporary proicedure to get the clock to display until Engineering has developed the permanent repair.  The listed Cadillac, Pontiac, and … Read more

Higher Than Expected Oil Consumption at 8600 GVW and Above – 2000-2022 Chevrolet GMC HUMMER

2019 Chevrolet Silverado

NHTSA ID Number: 10219277 Manufacturer Communication Number: 03-06-01-023F Summary This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.   Information on Engine Oil Consumption Guidelines All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. … Read more

Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set – 2005-2014 Buick Cadillac Chevrolet GMC Pontiac Saturn HUMMER Daewoo Opel

2014 Chevrolet Silverado

NHTSA ID Number: 10137623 Manufacturer Communication Number: 08-09-41-002H Summary This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or … Read more

Brake Pedal Moves Or Self Applies At Full Turns – 1998-2020 Cadillac Chevrolet GMC Hummer

2019 Chevrolet Silverado

NHTSA ID Number: 10178353 Manufacturer Communication Number: PIT3665J   Summary This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. 136 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2001-2004 CHEVROLET ASTRO 1998-2005 CHEVROLET … Read more