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Service bulletin JTB00420NAS1

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 id10096749
Published by NHTSA2017-03-31
Manufacturer's numberJTB00420NAS1
Manufacturer's date2015-09-11
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

"SITUATION: THE ADAPTIVE FRONT LIGHTING SYSTEM (AFS) WARNING LAMP MAY BE ILLUMINATED/FLASHING ON THE INSTRUMENT CLUSTER. UPON DIAGNOSIS, THE TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES (DTC) B1D64-87 AND/OR B1D65-87 STORED IN THE HEADLAMP LEVELING CONTROL MODULE. CAUSE: THIS MAY BE CAUSED BY A SOFTWARE ERROR WITHIN THE HEADLAMP LEVELING CONTROL MODULE."

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

Electrical system, Lighting, Headlights, Software

Trouble codes named

B1D64, B1D65

Vehicles listed
JAGUAR F-TYPE2014, 2015
JAGUAR XK2013, 2014, 2015

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

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