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Service bulletin SER22-021

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 id10210954
Published by NHTSA2022-05-05
Manufacturer's numberSER22-021
Manufacturer's date2022-04-14
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Inspection required at initial installation to confirm proper wiring of 120VAC electrical outlet wiring harness on certain Carrier ComfortPro® APUs to avoid potential risk of electrical shock to installing technician.

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 COMFORTPRO

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