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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

What owners actually said

129 reports
156,000 miles · Oct 19, 2015
EngineEngine And Engine Cooling

TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED BUT THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR AND ENGINE CONTROL MODULE NEEDED TO REPLA…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS RESTARTED BUT THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR AND ENGINE CONTROL MODULE NEEDED TO REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE AND THE VIN WAS NOT INCLUDED NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING). THE FAILURE MILEAGE WAS 156,000... ....UPDATED 12/30/15 *BF THE CONSUMER STATED IT WAS ADVISED FOR THE CONTROL MODULE TO BE REPLACED. UPDATED 2/23/2016 *JS

NHTSA ODI #10783282

87,831 miles · Jun 26, 2015
Engine And Engine Cooling

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE FAILED TO START AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER STATED THAT T…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE FAILED TO START AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE CRANK SHAFT POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING). THE FAILURE MILEAGE WAS 87,831. UPDATED 8/21/15*CN UPDATED 09/09/15*LJ UPDATED 11/01/2017*CN

NHTSA ODI #10730650

190,000 miles · May 5, 2015
Electrical SystemEngine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE STALLED AFTER THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN STATED THERE WAS A FAILURE IN THE CRANK SHAFT POSITION SENSOR. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS MAD…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE VEHICLE STALLED AFTER THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN STATED THERE WAS A FAILURE IN THE CRANK SHAFT POSITION SENSOR. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 190,000.

NHTSA ODI #10714706

71,000 miles · Mar 3, 2015
Seats

TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE DRIVER SEAT LEANED TO THE LEFT WHILE OCCUPIED. THE VEHICLE WAS TAKEN TO DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE SEAT RAIL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 71,000.…

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TL*THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT THE DRIVER SEAT LEANED TO THE LEFT WHILE OCCUPIED. THE VEHICLE WAS TAKEN TO DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE SEAT RAIL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 71,000. UPDATED 4/15/15*CN

NHTSA ODI #10691943

264,874 miles · Nov 23, 2014
Fuel/propulsion System

SINCE BUYING THE 45M. I HAVE RAN OUT OF GAS WHILE THE GAS GAUGE LEVEL READS FULL. THE FIRST TIME I WAS SIMPLY DRIVE THE A BUSY HIGHWAY GOING ABOUT 40MPH. THE CAR JUST SUDDENLY BEGIN TO SPUTTER THEN CAME TO A STOP WHILE OTHER CARS TRIED TO AVOID HITTING ME. *TR

NHTSA ODI #10660400

87,234 miles · Oct 10, 2014
StructureVisibility

I WAS DRIVING ON A HIGHWAY AT A APROXIMATELY 75 MPH WHEN ALL OF THE SUDDEN THE REAR BACK GLASS BLEW OFF THE VEHICLE. I FELT A LITTLE SHAKE AND MU REAR BACK GLASS WAS GONE. *TR

NHTSA ODI #10643751

Mileage unknown · Apr 24, 2014
EngineFuel System, GasolinePower Train

THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NO…

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THIS VEHICLE RANDOMLY WILL SHUT DOWN ALL MECHANICAL SYSTEMS SIMULTANEOUSLY AT ANY SPEED WHICH CREATES AN EXTREMELY DANGEROUS SITUATION, ESPECIALLY AROUND OTHER TRAFFIC, WHICH COULD RESULT IN A CRASH. THE CAR'S "SERVICE ENGINE SOON" LIGHT APPEARS, THE CAR IMMEDIATELY LOSES ENGINE POWER, BRAKES, AND STEERING AND MANY TIMES WILL NOT RESTART IMMEDIATELY WHICH PUTS THE PASSENGERS AT RISK OF A CRASH IN ANY SITUATION. THESE ARE THE EXACT SAME SYMPTOMS OF A RECALL ISSUED BY INFINITI FOR THE 2003 M45, HOWEVER, INFINITI INSISTS THAT THIS VEHICLE IS NOT INCLUDED IN THE RECALL. I HAVE ALREADY CHANGED THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE VARIABLE TIMING CONTROL SENSOR(S). *TR

NHTSA ODI #10584627

134,009 miles · Apr 18, 2014
Engine

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT AFTER STARTING THE VEHICLE, IT SUDDENLY STALLED. THE CONTACT ALSO MENTIONED THAT THE SERVICE ENGINE SOON WARNING LIGHT ILLUMINATED. THE DEALER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND E…

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TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THAT AFTER STARTING THE VEHICLE, IT SUDDENLY STALLED. THE CONTACT ALSO MENTIONED THAT THE SERVICE ENGINE SOON WARNING LIGHT ILLUMINATED. THE DEALER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER 03V455000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 134,009.

NHTSA ODI #10583502

137,000 miles · Apr 9, 2014
Air Bags

HTTP://WWW.CARSAFETYREFERENCE.COM/INFINITI-M45-2003/AIR-BAGS MY2003 INFINITI M45 SUPPLEMENTAL AIR BAG LIGHT IS BLINKING. I HAVE NOT BEEN IN ANY ACCIDENTS OR HIT ANYTHING. THIS SEEMS TO BE A KNOWN ISSUE WITH THIS VEHICLE AND INFINITI IN GENERAL AS THERE ARE NUMEROUS FORUMS ABOUT IT. IT NEEDS TO BE EVALUATED BY INFINITI BECAU…

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HTTP://WWW.CARSAFETYREFERENCE.COM/INFINITI-M45-2003/AIR-BAGS MY2003 INFINITI M45 SUPPLEMENTAL AIR BAG LIGHT IS BLINKING. I HAVE NOT BEEN IN ANY ACCIDENTS OR HIT ANYTHING. THIS SEEMS TO BE A KNOWN ISSUE WITH THIS VEHICLE AND INFINITI IN GENERAL AS THERE ARE NUMEROUS FORUMS ABOUT IT. IT NEEDS TO BE EVALUATED BY INFINITI BECAUSE IT SEEMS DANGEROUS. I JUST FEEL THAT I SHOULD NOT HAVE TO PAY FOR AN AIR BAG LIGHT BLINKING WHEN THEY HAVE NOT BEEN DEPLOYED. *TR

NHTSA ODI #10578426

Mileage unknown · Mar 30, 2014
Electrical SystemFuel System, GasolineSteering

MY BOYFRIEND RECENTLY BOUGHT THIS CAR FROM A DEALER THAT GAVE HIM A STANDARD WARRANTY AND WE HAVE HAD THE CAR FOR ABOUT 3 WEEKS NOW AND AFTER RESEARCH I HAVE FOUND THAT THE CAR HAS FUEL GAUGE PROBLEMS AS WELL AS WHEN THE VEHICLE IS BEING STEERED IS FEELS AS IF THE CAR WILL SLIP. THE CAR MAKES A FEW NOISES WHEN YOU TURN OR STOP A…

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MY BOYFRIEND RECENTLY BOUGHT THIS CAR FROM A DEALER THAT GAVE HIM A STANDARD WARRANTY AND WE HAVE HAD THE CAR FOR ABOUT 3 WEEKS NOW AND AFTER RESEARCH I HAVE FOUND THAT THE CAR HAS FUEL GAUGE PROBLEMS AS WELL AS WHEN THE VEHICLE IS BEING STEERED IS FEELS AS IF THE CAR WILL SLIP. THE CAR MAKES A FEW NOISES WHEN YOU TURN OR STOP AS WELL. IT ALMOST FEELS AS IF THE TIRES WILL FALL OFF. I HAVE MENTIONED IT TO HIM BUT I LET HIM HANDLE THE CAR BUSINESS. THE FACT IS I DRIVE THE CAR TO TRANSPORT OUR CHILD AND I AM WORRIED ABOUT THE SAFETY OF THE VEHICLE. I ALSO HAVE FOUND THAT THE CAR HAS HAD A RECALL ON IT FOR THOSE SPECIFIC PROBLEMS I HAVE PREVIOUSLY NOTED. I AM NOT SURE IF I CAN REPORT THIS OR WHAT CAN I DO ABOUT THIS CAR. *TR

NHTSA ODI #10575681

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.