5 Mph Max Speed Service Def System See Dealer. Ram 5 mph max service def system shopsbopqe A CEL came on about a week ago along with the "5mph max speed in 200 miles service DEF system see dealer" message Chances is that your DEF Injector is caked with Urea and needs cleaned before replacing or checking the pump
Service def system limited to 5 mph lasopadroid from lasopadroid970.weebly.com
Hooked up OBDII and see there were 88.66 lbs of DEF Pressure so the pump is working DEF is essential for filtering the toxic nitrogen oxides from exhaust fumes
Service def system limited to 5 mph lasopadroid
Dealer service confirms limp mode at 5 MPH after the miles are reached So to expand on that disconnecting both batteries shorting the negative to the positive for 30 seconds Chances is that your DEF Injector is caked with Urea and needs cleaned before replacing or checking the pump
My 2021 Dodge Ram 5500 diesel is saying 5 mph max speed in 8 mo service. 5 MPH Max Speed Service DEF System See Dealer — This message will continuously display, and will be accompanied by a periodic chime Had the message Service Def System see dealer message pop up today while towing my camper home
5 MPH Max Service Def System Reset. Also searching the net bring up others that confirm that also. The DEF system injects a small amount of DEF, a solution consisting of urea and water, into the exhaust stream to convert harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor.