The Environmental Protection Agency is revising the requirements for diesel exhaust fluid or DEF, which has affected members ...

GM has issued a service bulletin for a DEF sensor problem fix for the 2020 to 2024 GMC Sierra 1500, GMC Sierra HD, and GMC Yukon involving module recalibration.

When DEF runs out or a system sensor fails, current systems can force a vehicle to drastically reduce speed or become ...

Software overrides for diesel exhaust fluid sensors that are in perilously short supply are making their way from truck manufacturers to repair shops, helping keep equipment on the road and ...

The Environmental Protection Agency (EPA) announced a revision to diesel exhaust fluid (DEF) guidelines to prevent diesel on-road trucks and off-road equipment from severe power loss after running out ...

SSI Technologies, a designer and manufacturer of ultrasonic level, pressure and magnetic sensors and monitoring systems, announced an SCR System DEF combination sensor to monitor urea level ...

This change will let operators fix issues without their equipment shutting down, write the EPA's Lee Zeldin and the SBA's Kelly Loeffler.