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Service bulletin TSB 080223 001

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 id10240346
Published by NHTSA2023-08-03
Manufacturer's numberTSB 080223 001
Manufacturer's date2023-08-03
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

Suburban is adding a small Ferrite inside the IW60 (5186A) and IW60RL (5380A) to help protect the control board from voltage spikes created by AC/DC converters and battery charging systems that are commonly used in RV’s. There are no outwardly visible changes, and no changes to installation required. IW60 Water Heater IW60RL Water Heater

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

Equipment and accessories

Vehicles listed
SUBURBAN SUBURBAN

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