Service bulletins for the 2003 Infiniti QX4
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.
71 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| ITB-03-051-C | 2010-03-03. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. INFINITI: EXTERIOR LAMP FOGGING. WATER IN THE EXTERIOR LAMPS. THIS IS GENERALLY NOT DUE TO A DEFECT. ALL CURRENT EXTERIOR LAMP ASSEMBLIES ARE VENTED TO THE ATMOSPHERE (NOT SEALED). MOISTURE IN THE AIR SOMETIMES TRAVELS INTO AND OUT OF THE LAMP ASSEMBLY THROUGH THESE VENTS. NECESSARY TO ALLOW FOR EXPANSION AND CONTRACTION OF AIR FROM TEMPERATURE VARIATIONS (WARMER OR COLDER) WITHOUT DAMAGE TO THE LAMP. CERTAIN ENVIRONMENTAL CONDITIONS MAY CAUSE MOISTURE TO CONDENSE. FOGGING/CLOUDINESS SHOULD DISAPPEAR OVER TIME WHEN THE LAMP IS IN A DRY ENVIRONMENT. *PE UPDATED 7/28/10. *PE UPDATED 12/9/13. *PE |
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| ITB-09-050 | 2010-01-05. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. INFINITI: TIRE PRESSURE MONITORING SYSTEM (TPMS) WARNING LIGHT ON/BLINKING. NO MODELS OR MODEL YEARS LISTED. *PE UPDATED ON 08-11-2011. *KB |
| ITB-09-020 | 2009-08-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFINITI: ELECTRONIC CONTROL UNIT DAMAGE CAN RESULT FROM IMPROPER BATTERY CONNECTION. THE BATTERY IS REQUIRED TO STAY CONNECTED WHEN THE ENGINE IS RUNNING. NO MODEL YEARS LISTED. *PE |
| 03031 | 2007-05-10. Service bulletin. EXTERIOR LIGHTING. EXTERIOR LAMP FOGGING. *KB |
| 04001 | 2004-02-12. Service bulletin. EQUIPMENT. REMOTE KEYLESS ENTRY REPLACEMENT PARTS. *TT |
| ITB99048A | 2003-12-24. Service bulletin. EQUIPMENT. THE INFINITI INTEGRATED HOMELINK TRANSMITTER SYSTEM. VARIOUS MODELS INCLUDING 1996-2004 I30/I35; 2004 Q45; 2004 M45. *TT |
| 03061 | 2003-11-07. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE JUDDER FROM FRONT BRAKES. *TT |
| 03061A | 2003-11-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE JUDDER FROM FRONT BRAKES. *TT |
| ITB99016B | 2003-10-22. Service bulletin. SEAT BELTS:FRONT. FRONT SEAT BELT LATCH PLATE RETAINING BUTTON MISSING. VARIOUS MODELS INCLUDING THE 2004 G35. *TT |
| 03038B | 2003-10-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC (BLOWER) FAN ONLY WORKS ON SPEED 4. *TT |
| 03038A | 2003-10-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THE HVAC (BLOWER) FAN ONLY WORKS ON SPEED 4 (HIGH). *TT |
| 03035 | 2003-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. REPLACEMENT AUTOMATIC TRANSMISSION. *TT |
| 03038 | 2003-10-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC (BLOWER) FAN ONLY WORKS ON SPEED 4. *TT |
| 03036 | 2003-10-15. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. INTELLIGENT CRUISE CONTROL SYSTEM MAINTENANCE. *TT |
| 03019 | 2003-08-19. Service bulletin. EQUIPMENT. AVAILABLE TOOL; J-45738 TRANSMISSION JACK ADAPTER. *TT |
| 01033A | 2003-06-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. DVD MOBILE ENTERTAINMENT SYSTEM INTRODUCTION AND DIAGNOSIS. *TT |
| 03029 | 2003-06-19. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). TRANSFER CASE OIL LEAK CONDITION. *TT |
| 03008 | 2003-04-25. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. ROOF RACK WHISTLE NOISE. *SCC |
| ITB03008 | 2003-04-17. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK WHISTLE NOISE. *JB |
| 99046C | 2003-02-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WILL NOT START. VEHICLE IMMOBIILIZER SYSTEM/NISSAN ANTI-THEFT SYSTM (IVIS/NATS). *TT |
| ITB02061 | 2002-10-29. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. SUBJECT REGARDING WINDSHIELD WIPER PROTECTIVE SHIPPING COVERS TO IMPROVE WINDSHIELD WIPER DURABILITY FOR CERTAIN 2003 MODELS INCLUDING THE M45. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.