Malfunction Indicator Lamp (MIL) Illuminated – DTC P026A Set – 2020-2022 Cadillac Chevrolet GMC

2021 Chevrolet Silverado 1500

NHTSA ID Number: 10205590 Manufacturer Communication Number: 21NA271   Summary This bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.     18 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021-2022 CADILLAC ESCALADE ESV 2021-2022 CHEVROLET SILVERADO 1500 2020-2022 CHEVROLET SUBURBAN 2021-2022 CHEVROLET TAHOE 2021-2022 GMC SIERRA 1500 … 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

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

Slip Or Shudder During A Launch In First Second Third Or Fourth Gears Delayed Engagement Into Drive Clunk Or Bump During The 1-2 Shift – 2013-2021 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

cNHTSA ID Number: 10226384 Manufacturer Communication Number: PIP5175E Summary This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump … Read more