N192282860-01 – Service Update Software Update for Internal Range Sensor Failure – 2020 Cadillac Chevrolet GMC

2020 Chevrolet Silverado

NHTSA ID Number: 10178400 Manufacturer Communication Number: N192282860 01   Summary Service Update (Population Expansion). Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module.   5 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CHEVROLET … Read more

Customer Satisfaction Program N192278390 Manual Service Disconnect Fuse Open – 2019 Chevrolet Bolt EV

2019 Chevrolet Bolt EV

NHTSA ID Number: 10178401 Manufacturer Communication Number: N192278390   Summary Customer Satisfaction Program – certain vehicles built between January 1, 2019 and June 30, 2019, may have a condition in which the manual service disconnect fuse opens at too low an amperage resulting in a check engine light turning on or the vehicle will not start or … Read more

Information on Diesel Exhaust Fluid Pump is Unable to Build Pressure After Replacement – 2017-2022 Cadillac Chevrolet GMC

2020 Chevrolet Silverado

NHTSA ID Number: 10205057 Manufacturer Communication Number: 20NA110   Summary This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.     61 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET 4500HD 2021 CHEVROLET 5500HD … Read more

MIL Illuminates While Descending a Grade with the Transfer Case in 4wd Low – DTC P0776 Set – 2018-2020 Cadillac Chevrolet GMC

2020 Chevrolet Suburban

NHTSA ID Number: 10178271 Manufacturer Communication Number: 20NA112   Summary This technical bulletin advises the technician to validate the code and reset if found the cause of the customers concern.   18 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2018-2020 CADILLAC ESCALADE ESV 2018-2020 CHEVROLET SUBURBAN 2018-2020 CHEVROLET TAHOE 2018-2020 GMC YUKON 2018-2020 GMC YUKON XL … Read more

Available Top Speed Changes – 2019-2020 Chevrolet Silverado 4500HD/5500HD/6500HD

2019 Chevrolet Silverado 4500-6500

NHTSA ID Number: 10178273 Manufacturer Communication Number: 20NA116   Summary This informational bulletin provides information on Available Top Speed Changes and how to reach them.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 4500HD 2019-2020 CHEVROLET 5500HD 2019-2020 CHEVROLET SILVERADO 4500HD 2019-2020     SEOCONTENT-START Service Bulletin Bulletin No.: 20-NA-116 Date: June, 2020 INFORMATION Subject: Available … Read more