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2003 Infiniti M45

Owner reports · Recalls · Investigations

More warning signs than most M45 years

Owner complaints for the 2003 Infiniti M45 are substantially higher than the model-year median of 27.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

111 reports with mileage · 18 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Fuel System, Gasoline complaints

65 reports
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Mileage unknown · Nov 15, 2010
Fuel System, Gasoline

FUEL GAUGE SHOWING WRONG LEVEL OF GAS. HAD FUEL SENDING UNIT REPLACED TWICE STILL NOT WORKING. NOW THEY TELL ME I HAVE TO REPLACE THE GAUGE CLUSTER. THIS WILL COST OVER $2000.00. THIS IS A KNOWN DEFECT AND THERE SHOULD BE A RECALL ON THIS BEFORE SOMEBODY GETS KILLED, OR IS INFINITI WAITING FOR SOMEONE TO GET KILLED BEFORE THEY …

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FUEL GAUGE SHOWING WRONG LEVEL OF GAS. HAD FUEL SENDING UNIT REPLACED TWICE STILL NOT WORKING. NOW THEY TELL ME I HAVE TO REPLACE THE GAUGE CLUSTER. THIS WILL COST OVER $2000.00. THIS IS A KNOWN DEFECT AND THERE SHOULD BE A RECALL ON THIS BEFORE SOMEBODY GETS KILLED, OR IS INFINITI WAITING FOR SOMEONE TO GET KILLED BEFORE THEY DO THE RECALL? *TR

NHTSA ODI #10365717

70,000 miles · Nov 12, 2010
Fuel System, Gasoline

TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT NOTICED THAT THE FUEL GAUGE INDICATED THAT THE FUEL TANK WAS FULL AT ALL TIMES. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR SHOP WHERE THE FUEL SENDING UNIT WAS REPLACED. THE FAILURE CONTINUED. THE FAILURE MILEAGE WAS APPROXIMATELY 70,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY …

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TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT NOTICED THAT THE FUEL GAUGE INDICATED THAT THE FUEL TANK WAS FULL AT ALL TIMES. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR SHOP WHERE THE FUEL SENDING UNIT WAS REPLACED. THE FAILURE CONTINUED. THE FAILURE MILEAGE WAS APPROXIMATELY 70,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 100,000.

NHTSA ODI #10365428

50,000 miles · Oct 20, 2010
Fuel System, Gasoline

TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE FUEL GAUGE WOULD REGISTER EITHER A FULL OR EMPTY READING. THE VEHICLE WAS TAKEN TO A REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE FUEL SENDING UNIT NEEDED TO BE REPLACED; THE MECHANIC STATED THAT THE FAILURE WOULD CONTINUE TO OCCUR WHETHER IT WAS REPAIRE…

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TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE FUEL GAUGE WOULD REGISTER EITHER A FULL OR EMPTY READING. THE VEHICLE WAS TAKEN TO A REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE FUEL SENDING UNIT NEEDED TO BE REPLACED; THE MECHANIC STATED THAT THE FAILURE WOULD CONTINUE TO OCCUR WHETHER IT WAS REPAIRED OR NOT. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 50,000 AND THE CURRENT MILEAGE WAS APPROXIMATELY 100,000.

NHTSA ODI #10361386

52,990 miles · Aug 22, 2010
Fuel System, Gasoline

2003 INFINITY M45 GAS GAUGE KEEPS SHOWING FAULTY READING TO THE EXTENT ENGINE CUTS OFF ON THE HIGHWAY AND CAR CAME TO ABRUPT STOP WHILE IN MOTION. CAR SHOWS FULL OR 1/2 TANK WHEN IT IS ACTUALLY EMPTY. *TR

NHTSA ODI #10351181

64,100 miles · Jul 13, 2010
Fuel System, Gasoline

FIRST INCIDENT, GAUGE LEVEL STATES TANK FULL, RAN OUT OF GAS IN THE MIDDLE OF THE STREET. SECOND INCIDENT, GAUGE STATES FULL AND CAR SHUT OFF. *TR

NHTSA ODI #10342961

38,417 miles · Jun 16, 2010
Fuel System, Gasoline

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL LEVEL INDICATOR WOULD INTERMITTENTLY READ THAT THE FUEL TANK WAS FULL WHEN IT WAS NOT AND OFTEN FLUCTUATES BACK AND FORTH FROM EMPTY AND FULL. THE DEALER ADVISED THAT THE FUEL SENDING UNIT WOULD NEED TO BE REPLACED. THERE WERE NO RECALLS AND THE VEHICLE WAS NO…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL LEVEL INDICATOR WOULD INTERMITTENTLY READ THAT THE FUEL TANK WAS FULL WHEN IT WAS NOT AND OFTEN FLUCTUATES BACK AND FORTH FROM EMPTY AND FULL. THE DEALER ADVISED THAT THE FUEL SENDING UNIT WOULD NEED TO BE REPLACED. THERE WERE NO RECALLS AND THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 38,417 AND THE CURRENT MILEAGE WAS 55,521.

NHTSA ODI #10336599

70,000 miles · May 11, 2010
Fuel System, Gasoline

FUEL GAUGE FAILURE WHICH COULD CAUSE A PROBLEM IF IN HEAVY TRAFFIC. *TR

NHTSA ODI #10329869

77,000 miles · Apr 13, 2010
Fuel System, Gasoline

TL*THE CONTACT OWNS A 2003 INFINITY M45. ON MARCH 1, 2009, WHILE THE CONTACT WAS DRIVING AT APPROXIMATELY 70 MPH, THE VEHICLE SUDDENLY STALLED AND HE HAD TO PULL OVER TO AVOID A CRASH. WHEN HE CHECKED THE FUEL GAUGE, IT INDICATED THAT THE VEHICLE WAS FULL WITH FUEL BUT THE VEHICLE WAS OUT OF GAS. THE FUEL GAUGE WOULD ALSO SHOW …

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TL*THE CONTACT OWNS A 2003 INFINITY M45. ON MARCH 1, 2009, WHILE THE CONTACT WAS DRIVING AT APPROXIMATELY 70 MPH, THE VEHICLE SUDDENLY STALLED AND HE HAD TO PULL OVER TO AVOID A CRASH. WHEN HE CHECKED THE FUEL GAUGE, IT INDICATED THAT THE VEHICLE WAS FULL WITH FUEL BUT THE VEHICLE WAS OUT OF GAS. THE FUEL GAUGE WOULD ALSO SHOW A FULL TANK OF GAS WHEN THE TANK WAS EMPTY. THE CONTACT PLANNED TO TAKE THE VEHICLE TO A LOCAL REPAIR SHOP FOR A DIAGNOSTIC TEST. THE FAILURE MILEAGE WAS APPROXIMATELY 77,000. THE CURRENT MILEAGE WAS APPROXIMATELY 89,000.

NHTSA ODI #10325399

66,410 miles · Apr 6, 2010
Fuel System, Gasoline

THERE SEEMS TO BE A GAS GAUGE ISSUES WITH MY2003 INFINITI M45. I WAS ON THE HIGHWAY AT ABOUT 65 MILES PER HOUR WHEN THE CAR ENGINE STOPPED AND THAT CAR BECAME NON RESPONSIVE. I WAS BARELY ABLE TO PULL OVER TO THE FAR RIGHT HAND LANE WITHOUT THE CAR'S POWER STEERING. THE GAS GAUGE READ FULL BUT THE TANK WAS ACTUALLY EMPTY. I WA…

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THERE SEEMS TO BE A GAS GAUGE ISSUES WITH MY2003 INFINITI M45. I WAS ON THE HIGHWAY AT ABOUT 65 MILES PER HOUR WHEN THE CAR ENGINE STOPPED AND THAT CAR BECAME NON RESPONSIVE. I WAS BARELY ABLE TO PULL OVER TO THE FAR RIGHT HAND LANE WITHOUT THE CAR'S POWER STEERING. THE GAS GAUGE READ FULL BUT THE TANK WAS ACTUALLY EMPTY. I WAS LUCKY TO HAVE AVOIDED A COLLISION. AFTER READING SEVERAL POSTS I HAVE COME TO FIND THAT THIS IS A KNOWN NISSAN/ INFINITI ISSUE. WHY HAS THERE NOT BEEN A RECALL BEEN PLACED ON THE NISSANS BUT NO THE INFINITI'S? *TR

NHTSA ODI #10323996

93,000 miles · Apr 5, 2010
Electrical SystemFuel System, Gasoline

I PURCHASED MY M45 FROM USED CAR DEALER AND WHILE DRIVING HOME THE CAR STALLED DURING CHICAGO RUSH HOUR TRAFFIC. THE WRECKER TOWED ME BACK TO DEALERSHIP WHO ASKED IF I RAN OUT OF GAS - I THOUGHT NOT POSSIBLE SINCE THE FUEL GAUGE READ 3/8. THE DEALERSHIP FILLED THE GAS TANK AND CAR STARTED UP. I WAS STRANDED A SECOND TIME IN RUS…

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I PURCHASED MY M45 FROM USED CAR DEALER AND WHILE DRIVING HOME THE CAR STALLED DURING CHICAGO RUSH HOUR TRAFFIC. THE WRECKER TOWED ME BACK TO DEALERSHIP WHO ASKED IF I RAN OUT OF GAS - I THOUGHT NOT POSSIBLE SINCE THE FUEL GAUGE READ 3/8. THE DEALERSHIP FILLED THE GAS TANK AND CAR STARTED UP. I WAS STRANDED A SECOND TIME IN RUSH HOUR TRAFFIC IN RESIDENTIAL AREA AND THIS TIME MY TANK READ 7/8. CHECK ENGINE LIGHT IS ON (CODE P0462) DUE TO LOW VOLTAGE LEVEL TO THE FUEL LEVEL SENSOR DUE TO FAULTY INSTRUMENT CLUSTER. INACCURATE FUEL GAUGE READINGS COULD LEAVE THE DRIVER AND OR THEIR FAMILY IN DANGER OF BEING SERIOUSLY OR FATALLY INJURED IN A REAR-END ACCIDENT IF THE CAR STALLS ON THE INTERSTATE. NISSAN INFINITI CAR OWNERS CLUB HAS IDENTIFIED NO LESS THAN 50 OTHER 2003-04 M45 CAR OWNERS WHO HAVE EXPERIENCED THIS PROBLEM. NISSAN NORTH AMERICA IS AWARE BUT REFUSES TO CORRECT THE PROBLEM. *TR

NHTSA ODI #10323757

Official recalls

2

12V088000 · Fuel System, Gasoline

Mar 6, 2012

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.

Consequence & remedy

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

Remedy: 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.

03V455000 · Engine And Engine Cooling

Nov 17, 2003

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY THE EXISTENCE OF FLUX RESIDUE DURING THE SOLDERING PROCESS.

Consequence & remedy

Consequence: THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CAUSE REDUCED ENGINE POWER, OR CAUSE THE ENGINE TO STOP RUNNING WITHOUT WARNING DURING VEHICLE OPERATION, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). VEHICLES INVOLVED IN A PREVIOUS RECALL CAMPAIGN, 01V357, ARE ALSO INCLUDED IN THIS NEW CAMPAIGN. THE REPLACEMENT SENSORS USED IN THAT CAMPAIGN ARE ALSO AFFECTED. OWNER NOTIFICATION BEGAN ON DECEMBER 22, 2003. OWNERS SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

3

PE11038 · Fuel Level Gauge System Failure

Opened Dec 14, 2011 · Closed Mar 22, 2012

Status: closed (inferred from source dates) · Fuel System, Other:storage:fuel Gauge System

In a March 5, 2012 letter to NHTSA, Nissan North America, Inc. (Nissan) submitted a Defect Information Report identifying a defect in the combination meter circuit board in approximately 8,120 model year 2003 through 2004 Infiniti M45 vehicles manufactured from March 7, 2002 through June 3, 2004 (Recall No. 12V-088). According to Nissan, heat generated by several components of the circuit board may cause solder cracks due to thermal shock.Open circuits created by the solder cracks may cause the fuel gauge to read higher than the actual amount of fuel remaining in the gas tank or always indicate full.Because of this condition, drivers may run out of fuel without notice, resulting in an engine stall without warning with no possibility of restart. The Office of Defects Investigation (ODI) analyzed complaint data provided by Nissan as well as complaints submitted to ODI from consumers.In total, there were 315 unique reports indicating an inaccurate fuel level reading while driving, including 61 that resulted in an engine stall incident (7.5 incidents per thousand vehicles).In addition, Nissan provided warranty data showing 2,525 claims for replacement of the subject component (31% claim rate).Nissan will begin owner notification in mid-April 2012.Owners of the recalled vehicles will be notified to take their vehicle to an Infiniti dealer, who will install a sub-amplifier in the combination meter to bypass the electric circuit and ensure accurate fuel level indication.This preliminary evaluation is closed.The ODI reports cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers (ODI Nos.): 10429412, 10427140, 10426741, 10424642, 10423199, 10418078, 10416519, 10414944, 10412053, 10408935, 10406834, 10406096, 10404206, 10404080, 10395207, 10392714, 10386134, 10380863, 10374719, 10373992, 10369584, 10365717, 10365428, 10356315, 10353972, 10351181, 10349252, 10348351, 10342961, 10342641, 10336272, 10329869, 10325399, 10324572, 10323996, 10323757, 10322403, 10320190, 10318987, 10317547, 10317273, 10317234, 10317030, 10308445.

EA09005 · Non-deployment Of Side Thorax Air Bags

Opened Apr 1, 2009 · Closed Apr 3, 2012

Status: closed (inferred from source dates) · Air Bags:side/window

The subject vehicles are equipped with seat-mounted, side thorax air bags for the driver and front passenger.This investigation revealed that faulty side air bag module electrical connectors located under the driver and front passenger seats can cause an interruption in the electrical circuit that will drop the input voltage below the specified range.As a result, the air bag warning lamp illuminates on the instrument panel and the affected side air bag becomes deactivated.In June 2009, Nissan conducted a service campaign to repair the defective air bag electrical connectors in the subject vehicles (both Infiniti Q45 and M45 models).In June 2010, Nissan sent a second notification concerning the 2009 campaign to owners of vehicles that have not been remedied.Nissan is now conducting a safety recall of the Q45 vehicles not remedied under the service campaign (approximately 1,349 vehicles; see NHTSA Safety Recall No. 12V-079 for further details).The M45 vehicles are not included in the recall; however, Nissan is re-notifying owners of M45 vehicles that were not remedied under the previous service campaign.See attached report for more information.A safety-related defect trend has not been identified in the Infiniti M45 vehicles at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that no safety-related defect exists.The agency will monitor the issue and reserves the right to take future action if warranted by the circumstances.The ODI reports cited above can be reviewed online at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10327196 and 10402282

PE08067 · Side Air Bag NON-DEPLOYMENT

Opened Dec 2, 2008 · Closed Apr 1, 2009

Status: closed (inferred from source dates) · Air Bags:side/window

THE SUBJECT VEHICLES ARE EQUIPPED WITH SEAT-MOUNTED, SIDE TORSO AIR BAGS FOR THE DRIVER AND FRONT PASSENGER.THIS INVESTIGATION HAS REVEALED THAT FAULTY SIDE AIR BAG MODULE CONNECTORS LOCATED UNDER THE FRONT SEATS CAN CAUSE AN INTERRUPTION IN THE ELECTRICAL CURRENT THAT WILL DROP THE INPUT VOLTAGE BELOW THE SPECIFIED RANGE.AS A RESULT, THE AIR BAG WARNING LAMP ILLUMINATES AND THE AFFECTED SIDE AIR BAG IS DEACTIVATED.THE RATES OF COMPLAINTS, FIELD REPORTS AND WARRANTY CLAIMS RELATED TO THE SUBJECT ISSUE ARE VERY HIGH.FOR EXAMPLE, NISSAN SUBMITTED 4,853 WARRANTY CLAIMS ON 3,551 DISTINCT SUBJECT VEHICLES OUT OF 13,836 TOTAL SUBJECT VEHICLES.ALSO, ANALYSES OF WARRANTY CLAIMS INDICATE AN INCREASING FAILURE TREND OVER TIME.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-005) TO FURTHER STUDY THE ISSUE.