VehicleVerdict

2004 Infiniti Q45 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 14 complaints on file for the 2004 Infiniti Q45 — too few to judge reliability from owner reports alone — but 2 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

14

NHTSA complaints

2

Recalls

2

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2004 compare to other Q45 years?

Q45 NHTSA complaints by model year, 2004 highlighted49 complaints1987: 0 complaints1988: 0 complaints1989: 0 complaints1990: 33 complaints1991: 49 complaints1992: 34 complaints1993: 3 complaints1994: 47 complaints1995: 8 complaints1996: 8 complaints1997: 13 complaints1998: 16 complaints1999: 10 complaints2000: 13 complaints2001: 5 complaints2002: 29 complaints2003: 20 complaints2004: 14 complaints2005: 5 complaints2006: 0 complaints
Q45 NHTSA complaints by model year, 2004 highlighted. Red bars are years to avoid.

See all Q45 years to avoid →

What are the most common 2004 Infiniti Q45 problems?

ComponentComplaintsShare
Electrical System321%
Speed Control214%
Steering214%
Engine214%
Lighting214%
Body & Structure17%
Seats17%
Brakes17%

Does the 2004 Infiniti Q45 have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

12V079000AirbagsFebruary 28, 2012 · 1,349 units

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.

Consequence

NON-DEPLOYMENT OF SIDE AIR BAGS COULD INCREASE THE RISK OF PERSONAL INJURY.

Remedy

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.

04V497000LightingOctober 13, 2004 · 96 units

Defect

ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.

Consequence

IF THIS OCCURS, THE BRAKE LIGHTS WILL NOT ILLUMINATE WHEN THE BRAKE IS APPLIED, WHICH COULD RESULT IN A CRASH.

Remedy

DEALERS WILL REPLACE THE BRAKE LAMP SWITCH. THE RECALL BEGAN ON OCTOBER 25, 2004. OWNERS SHOULD CONTACT INFINITI AT 1-800-662-6200.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“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”

Complaint filed with NHTSA · Electrical System · September 2, 2014

“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…”

Complaint filed with NHTSA · Steering · August 1, 2016

“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”

Complaint filed with NHTSA · Engine · September 2, 2014

“ 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…”

Complaint filed with NHTSA · Lighting · November 2, 2009

“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…”

Complaint filed with NHTSA · Speed Control · December 1, 2004

2004 Infiniti Q45 — common questions

Is the 2004 Infiniti Q45 reliable?

The record is thin — 14 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 2 recalls should be verified as completed.

What are the most common 2004 Q45 problems?

According to NHTSA complaint data, the leading problem areas are electrical system (3 complaints), speed control (2 complaints), engine (2 complaints).

Does the 2004 Infiniti Q45 have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2004 Infiniti Q45. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Is the 2004 Infiniti Q45 under NHTSA investigation?

NHTSA opened 2 investigations into this model year; all are now closed.

Which Infiniti Q45 years should you avoid?

Based on complaint rates and open investigations, the Q45 years to avoid are 1991, 1994, 1992, 1990. The cleanest record among Q45 years belongs to 2006.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.