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Service bulletin KC-635

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 id10213521
Published by NHTSA2022-06-06
Manufacturer's numberKC-635
Manufacturer's date2022-05-16
NHTSA componentPOWER TRAIN

NHTSA's summary

Volvo Chassis - Automated Manual Transmission Model F (AMT-F, I-Shift) - Possible Infrequent Hiccup/Stumble During Steady Engine/Vehicle Speed; Diagnostic Trouble Code P1074-92, P1074-94, P1074-96 Logging, Appears As Inactive

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

Trouble codes named

P1074

Vehicles listed
VOLVO 7802011
VOLVO 7802016
VOLVO VAH
VOLVO VAH2010 to 2022
VOLVO VHD2010 to 2022
VOLVO VHL
VOLVO VNL2010 to 2022
VOLVO VNM2010 to 2021
VOLVO VNR
VOLVO VNR2017 to 2022
VOLVO VNX2013 to 2021
VOLVO VT
VOLVO WHEB2013

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