WenmarOpen by Wenmar Pro

Service bulletin K15560422

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10141409
Published by NHTSA2018-06-18
Manufacturer's numberK15560422
Manufacturer's date2018-04-25
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Selective Catalytic Reduction ( SCR ) Efficiency And NOx Sensor Codes P225C, P225E, P221A, P2201, P103C, P20EE, And P207F : NOx Sensor Diagnostic Information TO BE USED BEFORE SENSOR REPLACEMENT - OBD13 And Newer Emissions (Commonly Model Year 2014 And Newer)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories

Trouble codes named

P103C, P207F, P20EE, P2201, P221A, P225C, P225E

Vehicles listed
MACK MACK

Listing a model year does not mean every vehicle of it is concerned: the document says which.