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Service bulletin 8388

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 id624985
Published by NHTSA2001-11-16
Manufacturer's number8388
Manufacturer's date2001-05-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

INFORMATION REGARDING AUXILIARY HVAC RESISTOR BLOCK FAILURE.*JB

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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
FREIGHTLINER ARGOSY
FREIGHTLINER CENTURY
FREIGHTLINER COLUMBIA
FREIGHTLINER FLD

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