PACCAR · 2018-08-23
Fix As Fail: Engines may have leaking exaust valve guide seals causing high oil consumption, excessive wet soot build up in the DPF/SCR and/or air management system. EGR DTCs P103C, P1711, P1719, or P3818 may set.
P3818 · Manufacturer communications
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
P3818 ← What does this code mean?2 Results
PACCAR · 2015-05-11
Software Update for DEF Decomposition Pipe Fault - This is a Fix as Fail repair - has determined on vehicles manufacured with a PACCAR MX013 EPA 2013 model year 2013 or 2014 engine, that certain DEF decomposition pipes may not promote adequaste DEF mixing, thereby leading to over dose and NH3 (aMMONIA) SLIP, which in turn can trigger fault code P3818.