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Service bulletin KC-456

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 id10207624
Published by NHTSA2022-02-04
Manufacturer's numberKC-456
Manufacturer's date2022-01-21
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT

NHTSA's summary

Exhaust Gas Recirculation (EGR) System - Fault Codes SPN 412 FMI 0,2,5; Diagnostic Trouble Codes (DTC) P040A, P040B, P1121 - Temperature Sensor Inspection

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

Engine, Equipment and accessories

Trouble codes named

P040A, P040B, P1121

Vehicles listed
VOLVO VOLVO

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