2004 Infiniti Q45 problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control:cruise Control (2) · Structure:body (1) · Steering (1)
🧭 Reliability snapshot
Compared against other Infiniti Q45 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
Air Bags:side/Window 2012-02-28 · campaign 12V079000 · 1,349 vehicles
Defect: NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2005 INFINITI Q45 VEHICLES. A WIRING CONNECTOR FOR THE SEAT MOUNTED AIRBAG MAY EXPERIENCE INCREASED ELECTRICAL RESISTANCE, RESULTING IN THE NON-DEPLOYMENT OF THE SIDE AIR BAGS.
Risk: NON-DEPLOYMENT OF SIDE AIR BAGS COULD INCREASE THE RISK OF PERSONAL INJURY.
Fix: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE WIRING CONNECTOR, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 19, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.
Service bulletins (54)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure:body 2026-04-13 · ITB09-063C · Service Bulletin/Repair Instructions
certification label and vin plate replacement service information because of collision damage or other vehicle repair, a replacement “certification label” or “vin plate/label” may be needed. hint: certification label = fmvss (federal motor vehicle safety standards) label. these items may be availabl
Electrical System 2024-05-20 · ITB13-052E · Service Bulletin/Repair Instructions
intelligent key not detected / engine will not start this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility/Wiper 2024-04-30 · ITB17-009H · Service Bulletin/Repair Instructions
window glass warranty information this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility/Wiper 2024-04-30 · ITB13-007I · Service Bulletin/Repair Instructions
removing foreign material from the window glass this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility/Wiper 2024-04-29 · ITB09-039K · Service Bulletin/Repair Instructions
windshield cracking this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility 2023-02-27 · ITB13-007H · Service Bulletin/Repair Instructions
removing foreign material from the window glass this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Showing the 6 most recent of 54 bulletins. Search all of them free at nhtsa.gov.
What owners report
2019-01-31 · Structure:body“tl* the contact owns a 2004 infiniti q45. the contact stated that the vehicle's frame was corroded. the vehicle was included in nhtsa campaign number: 11v244000 (steering, suspension). the manufacturer stated that they would not pay for the repair. the dealer was not contacted. the contact kept the vehicle parked and had not driven it in over two y…”
2017-05-08 · Engine · 111,000 mi“ tl* the contact owns a 2004 infiniti q45. the contact stated that while driving at 40 mph, the engine stalled while the service engine soon warning light and another unknown light illuminated. the vehicle was able to restart. the contact stated that the vehicle failed to accelerate after the failure occurred. the vehicle was taken to an independe…”
2014-09-23 · Steering · 95,000 mi“i was driving and dashboard lights came on, then vehicle cut off on the highway. i assumed it was a bad alternator, but it was a defective crank sensor. *tr…”
2012-01-11 · Exterior Lighting · 37,600 mi“ my low beam headlamp system has now failed at two separate times, both during nighttime driving. the first was on november 2, 2009, at 37,600 miles, the left hid ballast failed; nissan repaired the failure under warranty although its time-portion had expired. the second failure was at 47,600 miles on december 1, 2011. nissan/infiniti consumer …”
2010-10-04 · Service Brakes, Hydraulic · 42,173 mi“ 2004 infiniti q45 lemon this automobile has an in-service date of 12-17-04, purchased by me on 02-08-08 at 26,670 miles with 10 months remaining on the time warranty that's expired. it was returned to major infiniti on 09-29-10 with 42,171 miles ^0,000 warranty) and an inoperative driver's seat (no rear/forward funct…”
2005-08-12 · Vehicle Speed Control:cruise Control · 1,000 mi“dt:the consumers vehicle has a cruise control that has a chip that if a car gets too close to it slows down. when driving on the highway and somebody cuts the consumer off it feels like someone stepped on the brake due to an abrupt drop in speed. contacted manufacturer, they said can't separate them because it only shuts down cruise control o…”
2004-12-21 · Vehicle Speed Control:cruise Control“the consumer believes that the laser controlled cruise control could be a potential safety issue to an unwary driver. *nm the system does not work in the rain or when driving into the sun at sunset. the system activates the brakes while passing other vehicle and there is no audible acknowledgemet when the system slow down for a slower vehicle. …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.