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Service bulletin JTB00517NAS1

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 id10095101
Published by NHTSA2017-03-15
Manufacturer's numberJTB00517NAS1
Manufacturer's date2016-09-20
NHTSA componentSTEERING; STEERING:HYDRAULIC POWER ASSIST SYSTEM

NHTSA's summary

SITUATION: CUSTOMERS MAY REPORT A CONCERN WITH POWER STEERING ASSIST AND, IF THE VEHICLE CAR WAS ALSO IN DYNAMIC MODE, A CHANGE IN COLOR OF THE INSTRUMENT CLUSTER ILLUMINATION MAY OCCUR. DIAGNOSIS WILL IDENTIFY DIAGNOSTIC TROUBLE CODE (DTC) B12FB-12 STORED IN THE CENTRAL JUNCTION BOX (CJB).

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

Steering, Power steering

Trouble codes named

B12FB

Vehicles listed
JAGUAR F-TYPE2014, 2015

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
DVD134092023-01-03. Service bulletin. latest TSB SDD mapping
JTB00388NAS12017-03-27. Service bulletin. "SITUATION: THIS IS AN INFORMATION ONLY BULLETIN TO AID IN THE DIAGNOSIS OF HYDRAULIC POWER STEERING ISSUES. ACTION: WHEN DIAGNOSING CUSTOMER CONCERNS RELATING TO THE HYDRAULIC POWER STEERING SYSTEM, REFER TO THE SERVICE INFORMATION BELOW."