MYRModel Year Report

2003 Infiniti Q45

○ Not enough data
2003 Infiniti Q45
RENDERED 2026-11-01T12:50:59.776Z

Only 12 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 12 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

Complaints
12

Too few to rank

Recalls
1

Campaigns on file for 2003

Investigations
2

Opened by NHTSA

Top problem
—

Not enough data

Complaints per year

1990: 28 complaints 1990 1991: 35 complaints 1992: 28 complaints 1993: 2 complaints 1993 1994: 31 complaints 1995: 7 complaints 1996: 7 complaints 1996 1997: 12 complaints 1998: 14 complaints 1999: 9 complaints 1999 2000: 9 complaints 2001: 5 complaints 2002: 20 complaints 2003: 12 complaints 2003 12 2004: 7 complaints 2005: 4 complaints 2005 2006: 0 complaints
1990: 28 complaints 1990 1991: 35 complaints 1992: 28 complaints 1992 1993: 2 complaints 1994: 31 complaints 1994 1995: 7 complaints 1996: 7 complaints 1996 1997: 12 complaints 1998: 14 complaints 1998 1999: 9 complaints 2000: 9 complaints 2000 2001: 5 complaints 2002: 20 complaints 2002 2003: 12 complaints 2003 12 2004: 7 complaints 2004 2005: 4 complaints 2006: 0 complaints 2006
1990: 28 complaints 1990 1991: 35 complaints 1991 1992: 28 complaints 1992 1993: 2 complaints 1993 1994: 31 complaints 1994 1995: 7 complaints 1995 1996: 7 complaints 1996 1997: 12 complaints 1997 1998: 14 complaints 1998 1999: 9 complaints 1999 2000: 9 complaints 2000 2001: 5 complaints 2001 2002: 20 complaints 2002 2003: 12 complaints 2003 12 2004: 7 complaints 2004 2005: 4 complaints 2005 2006: 0 complaints 2006

2003: 12 complaints

View as data table
YearComplaints
19870
19880
19890
199028
199135
199228
19932
199431
19957
19967
199712
199814
19999
20009
20015
200220
200312
20047
20054
20060

Known problem areas

Only 12 complaints on file for this model year — too few to rank by share. Raw counts only, below.

Engine

6 of 12 total reports mention: engine.

Show complaint excerpts

The circuit board for crank position sensor and cam position sensor have improper solder joints.

NHTSA ODI report, 2021-05-05

Also filed under Power train

Tl* the contact owns a 2003 Infiniti Q45. While driving 35 MPH, the vehicle stalled and the service engine warning indicator illuminated. The contact was able to restart the vehicle after several attempts.

NHTSA ODI report, 2017-11-29

Steering

3 of 12 total reports mention: steering.

Show complaint excerpts

Bought 2003 q 45 in spring 2007, still under warranty. June 2009 at 79,000 miles the engine was replaced (Under warranty). 6/30/09, 80,081 miles car problem with no acceleration and service engine and cruise control light coming on.

NHTSA ODI report, 2013-06-15

Also filed under Electronic stability control (esc) and service brakes

Electrical system

3 of 12 total reports mention: electrical system.

Show complaint excerpts

My 2003 Infiniti Q45 repeatedly stalls [so far, 15+ times] and often will not restart [10+ times].

NHTSA ODI report, 2010-11-05

Also filed under Electronic stability control (esc)

Electronic stability control (esc)

2 of 12 total reports mention: electronic stability control (esc).

Service brakes

2 of 12 total reports mention: service brakes, most commonly citing electric.

CRASHINJURY

Safety timeline

1 recall · 2 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

  1. I
    2008-12-02Preliminary evaluationClosed 2009-04-01 Side air bag non-deployment
  2. I
    2009-04-01Engineering analysisClosed 2012-04-03 Non-deployment of Side Thorax Air Bags
  3. R
    2012-03-19Air bags12V079000 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…

    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.

    Check if this car was fixed →

Buy-smart checklist

2003 Infiniti Q45 — pre-purchase inspection

Inspect

  • Engine: 6 reports on file for this year.
  • Steering: 3 reports on file for this year.
  • Electrical system: 3 reports on file for this year.

Verify these recalls were completed

  • Recall 12V079000 · Air bags
Inspected by ______________ Date ______________

FAQ

Is the 2003 Infiniti Q45 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2003 Infiniti Q45?
The most-reported component is engine, accounting for 50% of complaints on file.
How many recalls does the 2003 Infiniti Q45 have?
1 recall on file for this model year.

Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.