This light, a Driver Information Center (DIC) Message, and a chime come on when there is an issue with the DEF.
If the DEF issue has not been corrected, the light will continue to flash. The vehicle's speed may also be limited. See Diesel Exhaust Fluid.
Catalytic Converter Replacement (LEA) Emissions Catalytic Converter
Catalytic Converter ReplacementCalloutComponent NameWarning:Refer toHot Exhaust System Warning.Preliminary ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the exhaust manifold. Refer toExhaust Manifold Replacement.Remove the oxygen sensor after the catalytic co ...