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Service bulletins for the 1999 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.

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

By type

By component

By trouble code

Bulletins, newest first
ITB010252001-10-26. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. INFORMATION REGARDING FUEL INJECTOR CLEANING FOR VEHICLES WITH ROUGH IDLE, HESITATION OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0300-P0306 STORED. *YH
ITB010392001-10-26. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING ESSENTIAL TOOL: INNER TIE ROD WRENCHES. *YH
ITB010422001-10-26. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. INFORMATION REGARDING SQUEAK/CREAK NOISE AT RH REAR SHOCK. *YH
ITB97026A2001-10-25. Service bulletin. SUSPENSION. INFORMATION REGARDING REAR SUSPENSION BOTTOMING OUT. *YH
ITB010232001-10-25. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING REAR AXLE BEARING REMOVAL KIT. *YH
ITB010452001-10-05. Service bulletin. UNKNOWN OR OTHER. SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH REAR OXYGEN SENSOR DIAGNOSTIC TROUBLE CODES P0138, P0139, P0140, P0158, P0159, AND P0160 STORED IN THE ENGINE CONTROL MODULE (ECM). *TT
ITB99046B2001-04-12. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. A CONDITION MAY EXIST WHERE THE ENGINE WILL NOT START OR INTERMITTENT NO START CONDITION IS EXPERIENCED. THIS BULLETIN DESCRIBES AND INTRODUCES NEW FEATURES OF THE VEHICLE IMMOBILIZER SYSTEM / NISSAN ANTI-THEFT SYSTEM (IVIS / NATS). *TT
ITB010062001-04-03. Service bulletin. VEHICLE SPEED CONTROL. SERVICE INFORMATION FOR VEHICLES EXHIBITING IDLE SPEED FLUCTUATION; INCORRECT IDLE SPEED; INCREASED ACCELERATOR PEDAL RESISTANCE AND / OR DIFFICULTY ACCELERATING SMOOTHLY FROM A STOP. *TT
ITB00038B2001-04-03. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING ECM REPLACEMENT PROCEDURES FOR VEHICLES WITH REPROGRAMMABLE ECMS. *SB
ITB000562000-12-15. Service bulletin. FUEL SYSTEM, GASOLINE. SUBJECT REGARDING AN ESSENTIAL TOOL - FUEL PRESSURE GAUGE KIT. *TT
ITB000362000-09-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT REGARDING VG33E PISTON REPLACEMENT. *TT
ITB000182000-05-31. Service bulletin. STRUCTURE:BODY. VEHICLE MAY EXPERIENCE SUN SHADE CLIPS BREAKING OR DEFORMING. *MJS
ITB000212000-05-31. Service bulletin. VISIBILITY:WINDSHIELD. VEHICLE'S MAY EXPERIENCE WIND/SQUEAK/POP NOISE FROM FRONT DOOR WINDOW AREA. *MJS
ITB99046A2000-04-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. THIS BULLETIN DESCRIBES AND INTRODUCES NEW FEATURES OF THE INFINITI VEHICLE IMMOBILIZER SYSTEM / NISSAN ANTI-THEFT SYSTEM (IVS / NATS). *TT
ITB99050A2000-04-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME CUSTOMER MAY INDICATE THAT A LIGHT TICKING HUMMING NOISE CAN BE HEARD COMING FROM THE BLOWER MOTOR OF AN VEHICLE WHEN THE MOTOR IS RUN AT LOW FAN SPEEDS (SPEED 1 OR 2). *TT
ITB000022000-04-26. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. SUBJECT REGARDING SUNROOF RAIL ASSEMBLY REPAIR. *TT
ITB000072000-04-26. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR. SOME CUSTOMERS MAY COMMENT THAT THE REAR VIEW MIRROR IS LOOSE OR FALLS OFF. *TT
ITB990532000-04-26. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. SUBJECT REGARDING WINDSHIELD WASHER NOZZLE SPRAY PATTERN ADJUSTMENT FOR VEHICLES WITH VARIOUS VIN RANGES. *TT
ITB990552000-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE JNRAR07YXYW075013 MAY EXHIBIT HARD STARTING IN COLD TEMPERATURES AND HIGH ALTITUDES. *TT
ITB000052000-04-26. Service bulletin. ELECTRICAL SYSTEM. ECM REPROGRAMMING FOR UPDATING THE ECM OF SELECTED VEHICLES. *TT
ITB990502000-04-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME VEHICLES MAY EXHIBIT A LIGHT TICKING OR HUMMING NOISE COMING FROM THE BLOWER MOTOR WHEN THE MOTOR IS RUNNING AT LOW FAN SPEEDS (SPEED 1 OR 2). *TT
ITB990482000-04-26. Service bulletin. EQUIPMENT:ELECTRICAL. THE INFINITI INTEGRATED HOMELINK TRANSMITTER SYSTEM. *TT
ITB990492000-04-26. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). VEHICLES BUILT BEFORE JNRAR07YXW061373 MAY EXHIBIT A WHINE (BEARING) NOISE FROM THE TRANSFER CASE. *TT
ITB98047A1999-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES BUILT BEFORE JNRAR05Y*XW047868 MAY EXHIBIT A HARD TO START CONDITION AT HIGH ALTITUDE AND COLD CONDITIONS. *TT
ITB990461999-10-29. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. ON VEHICLES EQUIPPED WITH THE IVIS/NATS, THE ENGINE WILL NOT START WITHOUT THE USE OF A REGISTERED IGNITION KEY. *TT

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