Information on Changes to SPS that Warn/Prohibit Reprogramming a Module With Its Current Calibration – 2018 and Prior GM Passenger Cars and Trucks

2018 Chevrolet Corvette

NHTSA ID Number: 10126111 Manufacturer Communication Number: 17-NA-242 Summary This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.   180 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2017 BUICK ENCLAVE 2015-2018 BUICK ENCORE 2015-2018 BUICK ENVISION 2016-2018 BUICK LACROSSE … Read more

Reduced Propulsion Power without DTCs on Higher Mileage Vehicles – 2012 & 2016 Cadillac Chevrolet Opel

2016 Cadillac ELR

NHTSA ID Number: 10162109 Manufacturer Communication Number: PIC6292C Summary This Preliminary information communicates that a Propulsion Power is reduced message occurs during regular operation, and there are no DTCs present, then contact GM Technical Assistance for direction   3 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ELR 2016 CHEVROLET VOLT 2012 OPEL AMPERA 2012     SEOCONTENT-START Bulletin … Read more

Stalling – Hesitation – Lack Of Performance P018B And/Or P2635 Setting In High Ambient Temperatures – 2013-2017 Buick, Cadillac, Chevrolet, GM, GMC

2017 Cadillac Escalade

NHTSA ID Number: 10114082 Manufacturer Communication Number: PIP5507B   Summary This Preliminary information communicates In ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition. Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could … Read more

Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle – 2015-2020 Cadillac Chevrolet GMC

2017 Cadillac ATS

NHTSA ID Number: 10168176 Manufacturer Communication Number: 16NA361 Summary This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.   100 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2016-2019 CADILLAC CT4 2020 CADILLAC CT6 2016-2020 CADILLAC CTS 2016-2019 … Read more

Information on Normal Characteristic – Vehicle Unable to Move After Being Parked for an Extended Period of Time – 2010-2019 Cadillac & Chevrolet

2019 Chevrolet Corvette

NHTSA ID Number: 10183141 Manufacturer Communication Number: 17NA239   Summary This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.   SEOCONTENT-START Service Bulletin Bulletin No.: 17-NA-239 Date: October, 2020 INFORMATION Subject: Information on Normal Characteristic – Vehicle Unable to Move After Being Parked for an Extended … Read more