WenmarOpen by Wenmar Pro

Service bulletin TSB190004-032620

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 id10158789
Published by NHTSA2019-04-22
Manufacturer's numberTSB190004-032620
Manufacturer's date2019-03-26
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

This Technical Service bulletin describes the verification and resolution of the Human Machine Interface (HMI) and/or bargraph flashes and goes black upon wake up, the HMI and/or bargraph stays black upon power recyclying, or the generator is shutdown as caused by the HMI and/or bargraph is off due to a defective built-in resistor. 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

Electrical system, Equipment and accessories

Vehicles listed
CUMMINS C

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