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Service bulletin 83106

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 id10007699
Published by NHTSA2004-07-08
Manufacturer's number83106
Manufacturer's date2004-05-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

ON SOME CENTURY CLASS, COLUMBIA, AND CORONADO VEHICLES, THE HVAC FRONT CONTROL UNIT (FCU) HARNESS MAY RUB ON THE BACK SIDE OF THE RADIO CAUSING A SHORT CIRCUIT TO THE CONTROL UNIT. INTERMITTENT LOSS OF FRONT HVAC CONTROL, OR PERMANENT DAMAGE TO THE HVAC CONTROLLER MAY RESULT. FREIGHTLINER. *TT

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

Electrical system

Vehicles listed
UNKNOWN UNKNOWN1

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