AutoDefect IQ

2003 Infiniti M45 problems, complaints & recalls

Most-reported problem areas: Fuel System, Gasoline (57) · Engine (17) · Engine And Engine Cooling (12)

🧭 Reliability snapshot

65 /100
⚠ Buy with caution

Compared against other Infiniti M45 model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 4 complaints <25k 25–50k miles: 6 complaints 25–50k 50–75k miles: 21 complaints 50–75k 75–100k miles: 27 complaints 27 75–100k 100–125k miles: 23 complaints 100–125k 125–150k miles: 18 complaints 125–150k 150k+ miles: 12 complaints 150k+

111 NHTSA complaints that reported an odometer reading.

129
Complaints
1
Recalls
67
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (1)

Fuel System, Gasoline 2012-03-06 · campaign 12V088000 · 8,120 vehicles

Defect: NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2004 INFINITI M45 VEHICLES MANUFACTURED FROM MARCH 7, 2002, THROUGH JUNE 3, 2004. DUE TO A CIRCUIT BOARD FAILURE, THE FUEL GAUGE MAY READ A FUEL LEVEL HIGHER THAN ACTUALLY EXISTS. AS A RESULT, THE VEHICLE MAY RUN OUT OF GAS WITHOUT NOTICE.

Risk: THE VEHICLE MAY STALL WITHOUT WARNING, INCREASING THE RISK OF A CRASH.

Fix: NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE CIRCUIT BOARD FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 27, 2012. OWNERS MAY CONTACT NISSAN CUSTOMER SERVICE AT 1-800-647-7261.

Service bulletins (67)

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 67 bulletins. Search all of them free at nhtsa.gov.

What owners report

2024-04-30 · Fuel System, Gasoline · 160,000 mi

“the contact owns a 2003 infiniti m45. the contact stated that on several occasions while driving at various speeds, the fuel gauge failed to read the fuel level correctly and the vehicle stalled. the vehicle was towed several times to a dealer and independent mechanic however, the fuel gauge sensor could not be replaced. additionally, on one occasi…”

2023-01-25 · Air Bags · 112,965 mi

“the contact owns a 2003 infiniti m45. the contact stated that the air bag warning light was illuminated. the vehicle was taken to the dealer for a diagnostic test. the contact stated that the driver’s side module needed to be replaced. the driver’s side air bag module was replaced. the manufacturer was contacted, and a case was filed. the failure m…”

2020-11-02 · Power Train · 137,780 mi

“traveling at about 60 mph on a state route, the car shut down. no power, no dash lights, inability to use turn signals to indicate the intention of changing lanes to the right and onto the side of the road, which nearly caused a collision as the car slowed to crawl. once pulled onto the side of the road, after many attempts the car started and we…”

2020-02-24 · Fuel/Propulsion System · 159,000 mi

“tl* the contact owns a 2003 infiniti m45. the contact stated that while operating the vehicle the fuel gauge indicated the fuel tank was full at all times. the vehicle ran out of fuel due to the failure. the cause of the failure was not determined. the local dealer bennett infiniti (1060 pa-315 wilkes barre pa) was notified of the failure. the vehi…”

2020-01-02 · Structure:body

“i am the owner of a white 2003 infiniti m45. a few years ago, i noticed a small chip right above he windshield on the roof of the car. i contacted infiniti back then to see if there were any recalls, but there were not. at this point, there is no paint covering the top of the vehicle. as of today, infiniti still has no recalls/campaigns for chi…”

2019-07-27 · Engine · 106,000 mi

“2003 infiniti m45 with approximately 106,000 miles. car will stall suddenly at highway or city road speeds necessitating putting car into neutral or pulling over to restart. previously, after this had happened, a code for faulty crankshaft position sensor was recovered, and both the crankshaft and camshaft position sensors were replaced with afte…”

2018-08-20 · Fuel/Propulsion System · 100,000 mi

“tl* the contact owns a 2003 infiniti m45. while stationary and while driving various speeds,the vehicle stalled without warning on several occasions. the contact stated that there was a complete loss of power. the contact coasted the vehicle to the side of the road and was able to restart the vehicle. on another occasion, the contact stated that th…”

2017-05-15 · Engine · 145,000 mi

“tl* the contact owns a 2003 infiniti m45. while driving the vehicle, the check engine indicator illuminated and the vehicle stalled. the vehicle was taken to the dealer, but was not diagnosed or repaired. the vehicle was taken to an independent mechanic who diagnosed that the crankshaft sensor needed to be replaced. the vehicle was repaired, but th…”

2017-03-21 · Power Train · 75,000 mi

“when in motion the engine stall without warning…”

2017-01-11 · Seats · 182,200 mi

“the bracket on the left side of the drivers front seat has broken. the seat now sags several inches in the left/ rear side. this is placing substantially more stress on the right side's bracket. this bracket failed while driving the car. *tr…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Infiniti M45 years