Malfunction Indicator Lamp (MIL) Illuminated, Shift to Park Message on Drivers Information Center (DIC), Unable to Turn Off Ignition and/or Discharged Battery – Multiple DTCs Set – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10178259 Manufacturer Communication Number: 19NA228   Summary This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 2019-2020 GMC SIERRA 2500 2020   … Read more

Radio Software Version V135116 Over-the-Air Update – 2020 Chevrolet & GMC

2020 Chevrolet Camaro

NHTSA ID Number: 10178261 Manufacturer Communication Number: 20NA012   Summary This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.   13 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET BLAZER 2020 CHEVROLET CAMARO 2020 CHEVROLET COLORADO 2020 CHEVROLET EQUINOX 2020 CHEVROLET MALIBU 2020 CHEVROLET SILVERADO 1500 2020 CHEVROLET SILVERADO 2500 2020 … Read more

MDI 2 Required for Vehicles with Vehicle Intelligence Platform (VIP) – 2020 Cadillac Chevrolet

2020 Chevrolet Corvette

NHTSA ID Number: 10178262 Manufacturer Communication Number: 20NA018   Summary This informational bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).   3 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CADILLAC CT5 2020 CHEVROLET CORVETTE 2020     SEOCONTENT-START Copyright 2020 General Motors LLC. All Rights Reserved. … Read more

IPC Gauges Inoperative, Numerous DIC Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No DRL, No Cruise or Adaptive Cruise and/or No Trailer Brake Lights – 2018-2019 Cadillac Chevrolet GMC

2019 Chevrolet Tahoe

NHTSA ID Number: 10178263 Manufacturer Communication Number: 20NA055   Summary This technical bulletin provides a procedure to program the ECM to correct the customers concern.   13 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2019 CADILLAC ESCALADE ESV 2019 CHEVROLET EXPRESS 2020 CHEVROLET SILVERADO 1500 2019 CHEVROLET SILVERADO 2500 2019 CHEVROLET SILVERADO 4500HD 2019 CHEVROLET SUBURBAN … Read more

Pickup Box Endgate Will Not Fully Close by Itself – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10178264 Manufacturer Communication Number: 20NA059   Summary This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 2019-2020 GMC SIERRA 2500 2020   … Read more