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Service bulletin 30302

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 id10010827
Published by NHTSA2004-12-14
Manufacturer's number30302
Manufacturer's date2004-06-01
Replaces30302
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

MALFUNCTION INDICATOR LAMP ON DIAGNOSTIC TROUBLE CODE P0128 STORED REPAIR PROCEDURE. *EH THIS BULLETIN REPLACES XJ30302 DATED 06/04. *EH

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

Trouble codes named

P0128

Vehicles listed
JAGUAR XJ2004

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
SSM666972022-12-05. Service bulletin. Title: 5.0L V8 (AJ133) overheating due to incorrect
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SSM616572022-05-31. Service bulletin. JTB00268 engine hard to start after hot soak - fan running Category Driveability.
SSM517172017-04-07. Service bulletin. "ISSUE: COOLANT EXPANSION TANK STUB PIPE LEAKING ON XJ (X350), XK (X150) OR XF (X250) UP TO THE END OF 2009 MY. CAUSE: THE DESIGN OF THE STUB PIPE WAS NOT ADEQUATE AND COULD RESULT IN THE PIPE SPLITTING."
SSM-728052016-09-13. Service bulletin. ISSUE: A CUSTOMER MAY RAISE A CONCERN OF THEIR VEHICLE NOT PASSING STATE INSPECTION IN CALIFORNIA AND THERE IS NO WARNING LIGHT OR OTHER SUGGESTION OF A FAULT.
TSB-J0042009-07-01. Service bulletin. JAGUAR: NON COMPLIANCE ISSUES RELATING TO ON BOARD DIAGNOSTIC (OBD) SYSTEM FUNCTION COVERING THERMOSTAT DIAGNOSTIC, CALIBRATION VERIFICATION, IN USE MONITOR PERFORMANCE RATIO, AND AN EMISSION ISSUE RELATING TO OPEN LOOP SMOOTHING HAVE BEEN IDENTIFIED. *PE
303092005-08-16. Service bulletin. ENGINE DETONATION/PINGING DURING ACCELERATION FROM STEADY-STATE DRIVING - RECONFIGURE ECM. *TT
3037132005-03-04. Service bulletin. COOLANT RESERVOIR BLEED SCREW - RETORQUE TO 3 NM - SERVICE ACTION S 713. *TT
3037122005-02-10. Service bulletin. THE COOLANT HOSE FROM THE THERMOSTAT HOUSING TO THE AUXILIARY COOLANT PUMP MAY HAVE BEEN INCORRECTLY ROUTED IN PRODUCTION, POTENTIALLY CAUSING THE HOSE TO TOUCH THE SUPERCHARGER DRIVE BELT AND WEAR THROUGH. SERVICE ACTION S 712. *TT
303042004-12-15. Service bulletin. ENGINE PINGING/DETONATION CHECK LONG AND SHORT TERM FUEL TRIM REPROGRAM ENGINE CONTROL MODULE. *EH