Daimler Freightliner Cascadia 2021 - DEF Level Low; DEF Level Messages; DEF Tank Empty

damage and to deactivate the warning lights and
engine limits.
If contaminated DEF or tampering with the ATS is
detected, the DEF warning light flashes and the MIL
lamp illuminates to warn the driver. The CHECK en-
gine lamp also illuminates on vehicles with a Cum-
mins ISB or ISC/L engine.
•
Detroit engines: Engine power is limited with
progressively harsher limits applied. If the fault
is not corrected, the STOP engine light illumi-
nates and a 5 mph (8 km/h) speed limit is ap-
plied after the next engine shutdown, while
parked and idling, or if a fuel refill is detected.
•
Cummins engines: Engine power is limited with
progressively harsher limits applied. If the fault
is not corrected, the STOP engine light illumi-
nates and a 5 mph (8 km/h) speed limit is ap-
plied after the next engine shutdown, or while
parked and idling.
f61139705/15/2017
AB
A. DEF Level Low B. DEF Tank Empty
Fig. 14.8, DEF Level Messages
Emissions and Fuel Efficiency
14.9