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Service bulletin Dealer Letter R1

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 id10133198
Published by NHTSA2018-04-16
Manufacturer's numberDealer Letter R1
Manufacturer's date2018-03-27
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This is a Letter sent to dealers. This letter instructs the dealers who order air conditioning refrigerant R1234YF, to provide MMNA proof of certification for handling refrigerant. The letter informs dealers that this certification is a requirement of EPA's Clean Air Act, section 609.

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
MITSUBISHI MITSUBISHI

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