WenmarOpen by Wenmar Pro

Service bulletin KC-398

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 id10207455
Published by NHTSA2022-02-04
Manufacturer's numberKC-398
Manufacturer's date2022-01-19
NHTSA componentPOWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

NHTSA's summary

Chassis Equipped With An AMT-F (I-Shift, mDrive) - Idle Drive Function Activates When Vehicle Is Reversing/Backing Up At Low Speed; Information And Repair - Build Date Beginning Of Production 2017 To February 2018

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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
VOLVO VAH2017 to 2018
VOLVO VHD2017 to 2018
VOLVO VN2017 to 2018
VOLVO VNL2017 to 2018
VOLVO VNM2017 to 2018
VOLVO VNR2017 to 2018
VOLVO VNX2017 to 2018

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