AI Damage2004 Infiniti FX45: common problems
Owners of the 2004 Infiniti FX45 filed 20 complaints with NHTSA, most often about air bags and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 20
What fails most often
- 1 Air bags 25% of all complaints
- 2 Electrical system 25% of all complaints
- 3 Latches, locks, linkages 25% of all complaints
- 4 Engine 10% of all complaints
- 5 Seats 10% of all complaints
- 6 Exterior lighting 5% of all complaints
- 7 Fuel/propulsion system 5% of all complaints
- 8 Seat belts 5% of all complaints
- Air bags: 5 complaints (25% of all).
- Electrical system: 5 complaints (25% of all).
- Latches, locks, linkages: 5 complaints (25% of all).
- Engine: 2 complaints (10% of all).
- Seats: 2 complaints (10% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4.5 L · petrol · 8 cyl
- automatic, 5-speed
Drive: AWD
Symptoms owners describe
How many of the 20 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Air bags | 5 | 0 | 0 |
| Electrical system | 5 | 0 | 0 |
| Latches, locks, linkages | 5 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Seats | 2 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Fuel/propulsion system | 1 | 0 | 0 |
| Seat belts | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Other | 2 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The fuel gauge doesnât accurately show the correct amount of fuel thatâs in the suv. This is a safety issue when driving and not knowing how much fuel you have.
3 of my vehicles doors do not unlock or lock using the key fob or the unlock/lock button on the door. This can be dangerous if you need to lock or unlock the doors in a hurry. It is a known issue in many infiniti fx35/45 of this generation.
The vehicle was taken to infiniti of apex (1900 laura duncan rd, apex, [ZIP]) and the recall repair was performed in march of 2019; however, the air bag warning indicator was illuminated. The contact informed the dealer by phone and they wanted to charge for a diagnostic test. The vehicle was not repaired.
Tl* the contact owns a 2004 infiniti fx45. The contact stated that the dashboard was beginning to form bubbles the size of door knobs. The failure produced a glare from the bubbles, which made it difficult to see out of the front windshield. The dealer was not contacted.
Tl* takata recall. The contact owns a 2004 infiniti fx45. The contact stated that the recall notice for nhtsa campaign number: 16v349000 (air bags) was received in june of 2016.
Tl* takata recall. The contact owns a 2004 infiniti fx45. The contact received notification of nhtsa campaign number: 16v349000 (air bags); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair.
I bought the vehicle from orange auto sales very poor customer service from the day I brought the car its been a problem they were saying they were going to fix it to my satisfaction as a customer so I purchase the car not only that they have tax fraud going on I ask orange auto sales to fix the reason why engine…
The door lock on the passenger front door no longer works via the power door lock switch or key fob. It must locked/unlocked manually. The mechanic reported that the lock actuator needed to be replaced.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 8,261 of 36,659 model years in the NHTSA data (top 23% most complained about).
On average one model year of the FX45 has 9 complaints (7 years in the data). This year has 20, above average.
What to check before buying
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Other years of this model
Questions and answers
What are the most common problems with the 2004 Infiniti FX45?
Owner complaints to NHTSA most often mention: air bags, electrical system, latches, locks, linkages. Total complaints: 20. The most frequent symptoms in complaint texts: door locks, latches, handles (20%), airbag warning light (5%), fuel system, fuel smell (5%).
How many service bulletins (TSB) were issued for the 2004 Infiniti FX45?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2004 Infiniti FX45 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2004 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.