SB-15-031

Conventional Trucks (238, 258, 268 or 338) and COE (Cab over Engine) Trucks (195, 195h) Foreign debris in the DEF (Diesel Exhaust Fluid) tank may cause the SCR (Select Calalyst Reduction) System to malfunction. This can result in DTC's (Diagnostic Trouble Codes) P20E8 or P20E9 - DEF Pressure abnormality. An inlet strainer for the DEF tank has been made available to prevent foreign material froim entering the DEF tank.