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Service bulletin HTB2018-01.18-1

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 id10131382
Published by NHTSA2018-04-02
Manufacturer's numberHTB2018-01.18-1
Manufacturer's date2018-02-08
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

Firmware down load instructions for CoolTech AC system Data Panel condenser fan controller.

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, Heating and air conditioning

Vehicles listed
HORTON AMBULANCE 4032014
HORTON AMBULANCE 4532013 to 2017
HORTON AMBULANCE 4572013 to 2017
HORTON AMBULANCE 5032013 to 2016
HORTON AMBULANCE 5532013 to 2016
HORTON AMBULANCE 6032013 to 2017
HORTON AMBULANCE 6232013 to 2017
HORTON AMBULANCE CCO2017
HORTON AMBULANCE CHANGE OVER2013 to 2016

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