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Service bulletin 8731

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 id615019
Published by NHTSA2000-12-18
Manufacturer's number8731
Manufacturer's date2000-08-17
Replaces8731
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

SUBJECT REGARDING ECC (ELECTRONIC CONTROL UNIT) UPGRADE WITH VERSION 6.0 FOR REDUCED AC PERFORMANCE. *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, Ignition

Vehicles listed
VOLVO S402000
VOLVO V402000

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

Other bulletins for the same vehicles and component
87312000-08-11. Service bulletin. SUBJECT REGARDING SW - ECC UPGRADE. *TT