WenmarOpen by Wenmar Pro

Service bulletin KC-2106

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 id10201730
Published by NHTSA2021-10-01
Manufacturer's numberKC-2106
Manufacturer's date2021-09-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Volvo Chassis - Unable To Program VECU: Error Code 155; Possible EMS DTC U000188 CAN Communication Backbone 2 Net - VECU5 Only

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

Trouble codes named

U0001

Vehicles listed
VOLVO VAH
VOLVO VHD
VOLVO VN

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