#15-NA-002: Information on Fuel Odor and/or Fuel Leaks from Underhood SIDI Pipes Between High Pressure Pump and Fuel Rails - (Jul 11, 2017) Subject:  Information On Fuel Odor and/or Fuel Leaks from Underhood SIDI Pipes Between High Pressure... Read More

#20-NA-042: Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set - (May 5, 2021) Subject:  Fuel Gauge May Intermittently Display Erratic and/or Empty Readings,... Read More

#20-NA-038: Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage - (Apr 8, 2021) Subject:  Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage This bulletin replaces PIP5663.... Read More

#20-NA-042: Fuel Gauge May Intermittently Display Erratic and/or Empty Readings, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0462 Set - (Oct 19, 2020) Subject:  Fuel Gauge May Intermittently Display Erratic and/or Empty Readings,... Read More

#20-NA-200: Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172 and/or P0175 Set - (Sep 25, 2020) Subject:  Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172 and/or P0175 Set This bulletin... Read More

Active Fuel Management/Dynamic Fuel Management on GM Models GM TechLink: August 9, 2019 Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) is available on a number of recent GM models to help improve fuel economy, including 2014 - 2019... Read More

2020 Corvette Stingray Powertrain March 31, 2020 GM TechLink The all-new 2020 Corvette Stingray delivers exceptional performance through a combination of rear weight bias, aerodynamics, chassis tuning and its new mid-engine small block V8 and 8-speed... Read More

Service Update18267 Flames From Exhaust Due To Misfire - Flames Self Extinguish Reference Number:  N182173240 Release Date:  September 2018 Condition: Certain 2019 model year Chevrolet Corvette vehicles equipped with RPO LT5 (6.2L... Read More

Special Coverage Adjustment17469 Fuel Leaks at the Primary Fuel Pump Module Flange Reference Number:  N172131680 Release Date:  April 2018 Condition:  On some 2014 - 2017 model year Chevrolet Corvette vehicles, cracks on the top... Read More

Fuel Line Pulsation Sound March 29, 2017 GM TechLinkA rattle or ticking sound may be heard coming from the back of the left valve cover on some 2014 - 2017 Corvette, Silverado, Sierra; 2015-2017 Tahoe, Suburban, Yukon, Escalade; 2016-2017 CTS-V, and... Read More