WenmarOpen by Wenmar Pro

Service bulletin CPI340804

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 id10117346
Published by NHTSA2017-09-14
Manufacturer's numberCPI340804
Manufacturer's date2017-08-31
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

Product Link Diagnostic Error Codes - High Temp Events, Voltage Above Normal, and Voltage Below Normal Failures can cause customer downtime & warranty pain due to temperature sensor failures for T3, T4F and T4I machines. Solutions have been properly lab validated and will be implemented into production by 3rd Qtr 2017.

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

Electrical system, Engine

Vehicles listed
CATERPILLAR C13
CATERPILLAR C15
CATERPILLAR C9

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