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Service bulletin SER15012

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 id10115904
Published by NHTSA2017-08-25
Manufacturer's numberSER15012
Manufacturer's date2015-09-04
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Beginning with APX software version 03.04.00, a second (redundant) return air sensor option has been introduced.

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

Vehicles listed
CARRIER TRANSICOLD VECTOR 8500
CARRIER TRANSICOLD VECTOR 8600MT
CARRIER TRANSICOLD X2 2100APX
CARRIER TRANSICOLD X2 2500APX
CARRIER TRANSICOLD X4 7300
CARRIER TRANSICOLD X4 7500

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