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Service bulletins for the 2018 Jaguar XJ

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.

402 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
SFCC_14MAR19_Sli2019-04-15. Service bulletin. ENGINE. The Check Engine Lamp is on and the vehicle is running rough.
SSM74309Attachme2019-04-15. Service bulletin. ENGINE. Malfunction Indicator Lamp (MIL) illuminated. DTC P242B-64 logged in Powertrain Control Module (PCM). Issue applies to AJ20-D4 engine only.
SFCC_10JAN19_Sli2019-02-19. Service bulletin. ENGINE. The Check Engine Lamp is on.
SSM740232018-10-22. Service bulletin. ENGINE AND ENGINE COOLING. Issue: The customer reports a coolant leak from the engine compartment which is found to originate from the thermostat housing seam.
SFCC_09AUG18_REV2018-10-22. Service bulletin. ENGINE AND ENGINE COOLING. A customer may complain of a Check Engine Lamp illumination or poor engine performance.
SSM738242018-06-25. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Customers report the ECO Stop/Start is not working. Retailers are testing the primary battery using the Midtronics EXP-1080 tester which is reporting the battery is serviceable. The vehicle then returns with the same Customer concern of ECO Stop/Start inoperative. If a Midtronics GRX-3080 is used, the primary battery fails the test. Replacement of the primary battery resolves the concern.
JTB00566NAS42018-06-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. An 'engine overheat' message may be displayed on the Instrument Cluster and that coolant may be leaking from engine compartment area.
SSM730672018-04-02. Service bulletin. ENGINE. Issue: JLR is investigating 3.0L & 5.0L Supercharger noise, post VIN's on JTB00349v2 & JTB00356v2.
JTB00349NAS22018-01-29. Service bulletin. ENGINE. A clatter/knock/rattle noise may be heard from the engine.
JTB00349NAS22018-01-22. Service bulletin. ENGINE. A clatter/knock/rattle noise may be heard from the engine.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.