SCR Performance low, engine will derate IN. … There is no charge for this service, but standard message and data rates may apply. Send me .
The beeping and code means there is a fault in the system. … just be the truck needing to warm more to do the needed regen to get the SCR fault to go away. … You want a 5 star service and I want to provide a 5 star service.
The SCR/DEF system was implemented in Volvo Trucks 2011+ to curb exhaust emissions on Class 8 trucks. If you have a Paccar engine and are stuck in 5 MPH derate check out this blog post. What is a derate? A derate means that the program inside the engine computer limits either the power or vehicle speed.
getting the SCR performance Low alarm on my dash followed by ‘Engine … Without the Tech Tool program and the latest service bulletins it’s a .
of SCR Performance Low, Engine in Derate, 5 MPH limit in 150 Min. … so the system thinks the DEF is bad and/or the SCR isn’t functioning properly. …. I know that it is up to the service department but maybe Brian can help.
According to the company, using SCR to eliminate NOx from the exhaust after it flows … Volvo to tune the engine for better fuel efficiency and better performance. … “Volvo’s advanced SCR technology removes a significant source of the trucking .