Coolant Leak Under Truck, Malfunction Indicator Lamp (MIL) Illuminated – DTC P2C48 Set – 2020-2022 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

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2022 Chevrolet Silverado 2500

NHTSA ID Number: 10205584 Manufacturer Communication Number: 21NA265   Summary This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact.     12 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 3500 2020-2022 CHEVROLET SILVERADO 2500 2020-2022 GMC SIERRA 2500 2020-2022 GMC SIERRA 3500 2020-2022   Condition Some … Read more

Service Vehicle Soon Light Illuminated with DTC P0534 Set – 2022 Chevrolet Bolt EV & Bolt EUV

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2022 Chevrolet Bolt EV

NHTSA ID Number: 10205585 Manufacturer Communication Number: 21NA266   Summary This service bulletin provides a repair procedure to correct a customer concern of a Service Vehicle Soon Light Illuminated with DTC P0534 Set.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET BOLT EUV 2022 CHEVROLET BOLT EV 2022   Condition Some customers may comment on … Read more

Exhaust Fumes Or Odor In Cabin Or In the Engine Compartment – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10205586 Manufacturer Communication Number: 21NA267 Summary This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.   Condition Customer concern of smoke or exhaust fumes/odor in the cabin or exhaust fumes/odor outside the cabin.   Cause This condition may be caused by an improper weld on … Read more

Poor Engine Performance in Extremely Cold Weather Conditions for LE2 Engines, Charge Air Cooler Icing – Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P0236, P2227, P00C7 Set – 2016-2022 Buick Encore & 2021-2022 Chevrolet Trax

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2022 Buick Encore

NHTSA ID Number: 10222826 Manufacturer Communication Number: 17-NA-221 Summary This service bulletin provides repair procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions for LE2 Engines, Charge Air Cooler (CAC) Icing – Malfunction Indicator Lamp (MIL) Illuminated.   Condition Some customers may comment that when driving short distances and/or slow speed driving … Read more

Steering Jerks, Kicks, Whips or Locks Up or Stiff Feel Effort in Cold Temperatures – 2016-2018 Cadillac Chevrolet GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10205046 Manufacturer Communication Number: 17NA345   Summary This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.     32 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2017 CADILLAC ESCALADE ESV 2015-2017 CHEVROLET SILVERADO 1500 2017-2018 … Read more