GM Authority

Chevy Silverado, Tahoe And Suburban Get Duramax Diesel DEF Sensor Fix

GM has reissued a service bulletin describing a fix for several possible problems found in several 2020 through 2024 Chevrolet models, including the Chevy Silverado pickup truck, Chevy Tahoe SUV and ...

This diesel sensor is no longer mandatory in 2026

A long-running diesel equipment headache is getting a regulatory fix in 2026, though the EPA's latest guidance also raises ...
GM Authority

GMC Sierra And Yukon Get Duramax Diesel DEF Sensor Fix

Certain units of 2020 through 2024 GMC Sierra 1500 and 2020 to 2024 GMC Sierra HD pickup trucks, as well as 2021 to 2024 GMC Yukon SUVs, equipped with one of several available Duramax diesel engines, ...
Autoblog

Government Moves to Fix Diesel Problem That Has Cost Owners Billions

This DEF sensor can shut down diesel engines even due to faulty readings, prompting the EPA to remove it as a requirement. EPA removes DEF sensor requirement to address costly diesel engine issues and ...
CCJ

DEF sensor delete 'not simple' but a 'common‑sense path forward'

The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...