Service Safety Restraints System With DTC B14DC – 2021 Chevrolet Tahoe & GMC Yukon

2021 GMC Yukon

NHTSA ID Number: 10185715 Manufacturer Communication Number: PIT5759J   Summary This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver’s front seat inboard air bag connector.  Dealers are to replace the F106DA Driver’s front seat inboard air bag connector pigtail.   4 Affected Products Vehicles MAKE … Read more

Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10193472 Manufacturer Communication Number: PIP5733R   Summary This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2020 CHEVROLET SUBURBAN 2020 CHEVROLET TAHOE 2020 GMC YUKON 2020   Condition Possible Crank no start or extended … Read more

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

Information on Malfunction Indicator Lamp (MIL) Illuminated – Multiple DTCs Set – 2020-2021 Buick & Chevrolet

2021 Chevrolet Trailblazer

NHTSA ID Number: 10178275 Manufacturer Communication Number: 20NA120   Summary This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.   4 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2020 CHEVROLET MALIBU 2019-2020 … Read more