Heat – Defrost – AC – Battery Cooling – and Air Conditioning Performance Concerns – 2022 GMC Hummer EV

2022 GMC Hummer EV

NHTSA ID Number: 10206736 Manufacturer Communication Number: PIT5878   Summary This Preliminary information communicates to the field  engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV.     1 Affected Product Vehicle MAKE MODEL YEAR GMC HUMMER EV 2022   Condition Some customers may experience one or more of the … Read more

VT40 Transmission Setting DTC P2714 – 2019-2022 Chevrolet Buick

2022 Chevrolet Trailblazer

NHTSA ID Number: 10206738 Manufacturer Communication Number: PIP5819A   Summary This Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission     9 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2022 CHEVROLET MALIBU 2019-2022 CHEVROLET TRAILBLAZER 2021-2022   Condition Some customers may comment on a loss of forward gear, … Read more

Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel With Brakes Applied – 2022 GMC Hummer EV

2022 GMC Hummer EV

NHTSA ID Number: 10206739 Manufacturer Communication Number: PIT5872   Summary This Preliminary information communicates to the field a normal characteristic of the vehicle and advises the field not to replace any parts for this concern.     1 Affected Product Vehicle MAKE MODEL YEAR GMC HUMMER EV 2022   Condition A popping or creaking type noise may … Read more

SES Light – DTC P205B Reductant Tank Temperature Sensor Performance – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10206740 Manufacturer Communication Number: PIP5828B   Summary This Preliminary information communicates to technicians the need to reflash the reductant controller for a P205B intermittently setting.     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON XL 2021   Condition: Some customers may comment … Read more

Diesel Exhaust Fluid Controller Update – 2020-2022 Chevrolet Silverado

2022 Chevrolet Silverado 2500

NHTSA ID Number: 10206741 Manufacturer Communication Number: PIP5833   Summary This Preliminary information communicates to technicians to update the program in the DEF controller     3 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020-2022   Condition: Some customers may comment the MIL is illuminated and/or a Service Reductant System or Service Emission System message is … Read more