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Service bulletin MI20-86

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 id10180592
Published by NHTSA2020-10-02
Manufacturer's numberMI20-86
Manufacturer's date2020-09-22
NHTSA componentELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS:DAYTIME RUNNING LIGHTS:BULBS

NHTSA's summary

DRL CONNECTION VERIFICATION

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, Lighting, Headlights

Vehicles listed
VOLVO BUS 97002020

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