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Service bulletin UIB-117-1

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 id10058344
Published by NHTSA2015-09-03
Manufacturer's numberUIB-117-1
Manufacturer's date2014-09-23
NHTSA componentENGINE

NHTSA's summary

UPFITTER INTEGRATION REGARDING ENGINE BLOCK HEATER NOT TIED TO CIRCUIT THAT ACTIVATE UNLESS TEMPERATURE IS -18 DEGREES AND -29 DEGREES C AND NOT CONTINUOUSLY PLUGGED. *CN

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
AEV TYPE 1 F-SERIES AMBULANCE2014

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