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

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

Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Signal Audio – 2019-2020 Cadillac Chevrolet GMC

2020 Chevrolet Tahoe

NHTSA ID Number: 10178294 Manufacturer Communication Number: PIE0554B   Summary This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster.   16 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2019-2020 CADILLAC ESCALADE ESV 2019-2020 CHEVROLET SILVERADO 2500 2019 CHEVROLET SILVERADO 4500HD 2019 CHEVROLET SUBURBAN 2019-2020 CHEVROLET TAHOE 2019-2020 GMC … Read more

Shift to Park Message On the Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10178297 Manufacturer Communication Number: PIE0568C   Summary This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the conditions that are listed in this PIE.   8 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2019-2020 … Read more

Fuel Pump Driver Control Module Configuration Function Missing in GDS2 – 2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10178301 Manufacturer Communication Number: PIP5728B   Summary This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually build the vehicle in GDS2 and perform the function until software update is available.   2 Affected Products Vehicles MAKE MODEL YEAR … Read more