Check a VIN

February 4, 2022 Service bulletin

Service Update

Chevrolet technical service bulletin N212342980-01 for 2020-2021 Chevrolet Silverado 2500, 2020-2021 GMC Sierra 2500 and 2020-2021 Chevrolet Silverado 3500 and others.

Bulletin number
N212342980-01
Component
Engine and engine cooling: engine: diesel
Summary
Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.

Owners of these vehicles have filed 62 complaints in the engine category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Silverado 2500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history