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Service bulletin K225NAS1

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 id10057582
Published by NHTSA2015-06-10
Manufacturer's numberK225NAS1
Manufacturer's date2015-01-14
ReplacesTB-K225NAS-2
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

JAGUAR 2013 XF(X250) : INFORMATION REGARDING THE CHARGE AIR COOLER DUCT BOLT TORQUE RELAXATION WHICH MAY CAUSE A PERFORMANCE MESSAGE & MIL MESSAGE ON THE INSTRUMENT PANEL. *LJ UPDATED 6/19/15. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Turbocharger or supercharger

Vehicles listed
JAGUAR XF2013

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

Other bulletins for the same vehicles and component
SSM704782022-12-12. Service bulletin. 2.0 GTDI Turbocharger
SSM654372022-12-05. Service bulletin. DTC P026A on Supercharged Engines only
SSM704782017-04-19. Service bulletin. "ISSUE: CUSTOMER COMPLAINT MAY IDENTIFY A TURBOCHARGER FAULT ON 2.0 GTDI ENGINES FROM 12MY ONWARDS, WHICH INCLUDES RE-MANUFACTURED UNITS. CAUSE: JLR ARE CURRENTLY INVESTIGATING THE POSSIBLE ROOT CAUSES WITH THE SUPPLIER, BORG WARNER TURBO SYSTEMS."
SSM-704782016-09-17. Service bulletin. "ISSUE: CUSTOMER COMPLAINT MAY IDENTIFY A TURBOCHARGER FAULT ON 2.0 GTDI ENGINES FROM 12MY ONWARDS, WHICH INCLUDES RE-MANUFACTURED UNITS. CAUSE: JLR ARE CURRENTLY INVESTIGATING THE POSSIBLE ROOT CAUSES WITH THE SUPPLIER, BORG WARNER TURBO SYSTEMS."