WenmarOpen by Wenmar Pro

Service bulletin TSB180106-112020

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 id10151797
Published by NHTSA2018-12-17
Manufacturer's numberTSB180106-112020
Manufacturer's date2018-11-26
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault codes 1894, 2387, 1897, 6432, 5177, 2198, 1976, 1938, 2635, 4956, 4957 caused by prolonged condensate drips from the overhead air conditioning condenser line corroding the variable geometry turbocharger (VGT) actuator connector interface. This is an update to a previously submitted communication.

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, Heating and air conditioning, Turbocharger or supercharger

Vehicles listed
CUMMINS CUMMINS

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