← New search

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
Compare all M45 years →

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
Mileage unknown · Jul 25, 2011
Fuel System, Gasoline

I PURCHASED THE INFINITI 2003 M45 BEFORE I KNEW ABOUT THE FUEL GAUGE PROBLEM. THE SHOP I USE HAS ORDERED 3 OEM GAUGE CLUSTERS FROM INFINITI ALL THREE WOULD NOT WORK.WITH ALL THE COMPLAINTS AND THE SAFETY ISSUES WHY DOES INFINITI REFUSE TO FIX THIS PROBLEM. IT IS A REAL SURPRISE THAT A PROBLEM FROM 2003 STILL CAN NOT BE FIXED …

Read full complaint

I PURCHASED THE INFINITI 2003 M45 BEFORE I KNEW ABOUT THE FUEL GAUGE PROBLEM. THE SHOP I USE HAS ORDERED 3 OEM GAUGE CLUSTERS FROM INFINITI ALL THREE WOULD NOT WORK.WITH ALL THE COMPLAINTS AND THE SAFETY ISSUES WHY DOES INFINITI REFUSE TO FIX THIS PROBLEM. IT IS A REAL SURPRISE THAT A PROBLEM FROM 2003 STILL CAN NOT BE FIXED EIGHT YEARS LATER. THIS ISSUE NEEDS INVESTIGATION AND INFINITI NEEDS TO BE HELD RESPONSIBLE FOR ALL REPAIRS IN OTHER WORDS RECALL. *TR

NHTSA ODI #10414944

65,000 miles · Jun 26, 2011
Electrical SystemFuel System, Other

FUEL GAUGE DOES NOT SHOW ANYWHERE NEAR CORRECT AMOUNT. BOUGHT CAR 1 YEAR AGO AND HAS BEEN SO FROM DAY 1 . REPLACED FUEL SENDER BUT DID NOT CORRECT THE PROBLEM. REPLACED GAUGE CLUSTER WITH JUNKYARD PART AND IT WORKED FOR ABOUT 1 MONTH THEN IT FAILED AS WELL.EVERYONE I KNOW WHO OWNS THIS CAR HAS OR HAS HAD THIS ISSUE. PLEASE HELP …

Read full complaint

FUEL GAUGE DOES NOT SHOW ANYWHERE NEAR CORRECT AMOUNT. BOUGHT CAR 1 YEAR AGO AND HAS BEEN SO FROM DAY 1 . REPLACED FUEL SENDER BUT DID NOT CORRECT THE PROBLEM. REPLACED GAUGE CLUSTER WITH JUNKYARD PART AND IT WORKED FOR ABOUT 1 MONTH THEN IT FAILED AS WELL.EVERYONE I KNOW WHO OWNS THIS CAR HAS OR HAS HAD THIS ISSUE. PLEASE HELP US. *TR

NHTSA ODI #10408935

101,000 miles · Jun 14, 2011
Fuel System, Gasoline

THE FUEL GAUGE ON MY 2003 INFINITI M45 IS DEFECTIVE. IT BEGAN TO OCCUR AT 101,000 MILES INTERMITTENTLY, BUT NOW IS A CONSTANT PROBLEM. THE FUEL GAUGE CORRECTLY READS THE TANK LEVEL UNTIL ABOUT 1/2 TANK AT WHICH POINT IT SEVERELY DROPS, OR SEVERELY RISES TO "FULL". I KNOW THIS TO BE A PROBLEM WITH THIS PARTICULAR MODEL IN THE FUE…

Read full complaint

THE FUEL GAUGE ON MY 2003 INFINITI M45 IS DEFECTIVE. IT BEGAN TO OCCUR AT 101,000 MILES INTERMITTENTLY, BUT NOW IS A CONSTANT PROBLEM. THE FUEL GAUGE CORRECTLY READS THE TANK LEVEL UNTIL ABOUT 1/2 TANK AT WHICH POINT IT SEVERELY DROPS, OR SEVERELY RISES TO "FULL". I KNOW THIS TO BE A PROBLEM WITH THIS PARTICULAR MODEL IN THE FUEL GAUGE CLUSTER, AND TRIED TO HAVE IT FIXED AT THE DEALER. THEY DID NOT FIX IT UNDER WARRANTY, AND SAID THERE WAS NO RECALL, HOWEVER THEY RECOGNIZED MANY OTHER OWNERS HAD THE SAME ISSUE. OTHER OWNERS HAVE SAID THE ONLY WAY TO CORRECT THE PROBLEM IS TO COMPLETELY REPLACE THE GAUGE CLUSTER, HOWEVER, I WILL NOT PAY FOR A DEFECTIVE PART AT THAT PRICE, SO I HAVE BEEN KEEPING TRACK OF MILEAGE IN ORDER TO TIME FILL-UPS. THE DANGER LIES IN THE FACT THAT THE FUEL LIGHT WILL NOT COME ON, AND THE TANK WILL READ ABOVE HALF-FULL WHEN THE TANK IS CLOSE TO EMPTY. THERE IS SEVERE RISK OF RUNNING OUT OF GAS ON THE HIGHWAY AND CAUSING AN ACCIDENT. *TR

NHTSA ODI #10406834

58,000 miles · Jun 13, 2011
Fuel System, Gasoline

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS. WHILE DRIVING, THE VEHICLE RAN OUT OF FUEL AND STALLED WITHOUT WARNING, ALTHOUGH THE FUEL LEVEL GAUGE INDICATED THAT THERE WAS ONE QUARTER TANK OF FUEL. THE VEHICLE WAS NOT INSPECTED. THE FAILURE MILEAGE AND …

Read full complaint

TL* THE CONTACT OWNS A 2003 INFINITI M45. THE CONTACT STATED THE FUEL GAUGE WAS PROVIDING INACCURATE FUEL LEVEL READINGS. WHILE DRIVING, THE VEHICLE RAN OUT OF FUEL AND STALLED WITHOUT WARNING, ALTHOUGH THE FUEL LEVEL GAUGE INDICATED THAT THERE WAS ONE QUARTER TANK OF FUEL. THE VEHICLE WAS NOT INSPECTED. THE FAILURE MILEAGE AND CURRENT MILEAGE WAS 58,000.

NHTSA ODI #10406096

71,000 miles · Jun 2, 2011
Fuel System, Other

PUT CAR IN REVERSE AND STOPPED. PUT IN FORWARD AND CHECK ENGINE SOON CAME UP ON SCREEN. WENT TO AUTO ZONE TO CHECK CODE AND THEY SAID FUEL LEVEL SENDER WAS BAD. I THEN FOUND ON INTERNET THAT NUMEROUS OTHER OWNERS HAD SAME PROBLEM. I CONTACTED INFINITE OF ORLAND ,SERVICE DEPARTMENT AND THEY SAID THEY KNEW NOTHING ABOUT THIS PROB…

Read full complaint

PUT CAR IN REVERSE AND STOPPED. PUT IN FORWARD AND CHECK ENGINE SOON CAME UP ON SCREEN. WENT TO AUTO ZONE TO CHECK CODE AND THEY SAID FUEL LEVEL SENDER WAS BAD. I THEN FOUND ON INTERNET THAT NUMEROUS OTHER OWNERS HAD SAME PROBLEM. I CONTACTED INFINITE OF ORLAND ,SERVICE DEPARTMENT AND THEY SAID THEY KNEW NOTHING ABOUT THIS PROBLEM. *TR

NHTSA ODI #10404249

60,000 miles · Jun 2, 2011
Electrical System

2003 M45 CHECK ENGINE LIGHT ON FOR GAS GAUGE, ALWAYS FULL. THE DIAGNOSTIC SAYS ITS THE FUEL LEVEL SENSOR. REPLACED THE FUEL LEVEL SENSOR (ABOUT $400) BECAUSE THE VEHICLE HAD FAILED THE STATE EMISSIONS INSP. THE CHECK ENGINE IS STILL ON AND NOW I HAVE TO REPLACE THE ENTIRE INSTRUMENT CLUSTER. ALL-IN-ALL THIS IS TURNING OUT TO…

Read full complaint

2003 M45 CHECK ENGINE LIGHT ON FOR GAS GAUGE, ALWAYS FULL. THE DIAGNOSTIC SAYS ITS THE FUEL LEVEL SENSOR. REPLACED THE FUEL LEVEL SENSOR (ABOUT $400) BECAUSE THE VEHICLE HAD FAILED THE STATE EMISSIONS INSP. THE CHECK ENGINE IS STILL ON AND NOW I HAVE TO REPLACE THE ENTIRE INSTRUMENT CLUSTER. ALL-IN-ALL THIS IS TURNING OUT TO BE A PRETTY SERIOUS (EXPENSIVE) PROBLEM. MY CAR WON'T PASS INSPECTION AND MY REGISTRATION IS OUT. I'VE RUN OUT OF GAS SEVERAL TIMES ALREADY, SINCE NOTHING IS TELLING ME HOW MUCH GAS I HAVE. THE CAR SHUTS DOWN COMPLETELY IN THE MIDDLE OF THE HIGHWAY. ON ONE OCCASION HAD TO WAIT ON THE SIDE OF A VERY BUSY INTERSTATE FOR AN HOUR TO GET GAS FROM A TOW TRUCK DISPATCHED BY THE INSURANCE COMPANY. *TR

NHTSA ODI #10404206

104,000 miles · May 23, 2011
Engine And Engine Cooling

I WAS DRIVING ON THE FREEWAY AT 50 MILES AN HOUR WHEN MY 2003 INFINITI M45 'S ENGINE SHUT OFF WITHOUT WARNING. I PUT THE CAR IN NEUTRAL AND RE-STARTED IT. THIS HAPPENS OFTEN DURING HIGHWAY AND CITY DRIVING. THE CURRENT MILAGE IS 104,000MI.THE FIRST OCCURANCE WAS AFTER THE FACTORY WARRANTY OF 70,000 MI. EXPIRED. I CONTACTED NISS…

Read full complaint

I WAS DRIVING ON THE FREEWAY AT 50 MILES AN HOUR WHEN MY 2003 INFINITI M45 'S ENGINE SHUT OFF WITHOUT WARNING. I PUT THE CAR IN NEUTRAL AND RE-STARTED IT. THIS HAPPENS OFTEN DURING HIGHWAY AND CITY DRIVING. THE CURRENT MILAGE IS 104,000MI.THE FIRST OCCURANCE WAS AFTER THE FACTORY WARRANTY OF 70,000 MI. EXPIRED. I CONTACTED NISSAN/INFINITI AND WAS TOLD MY CAR WAS NOT PART OF A RECALL INITIATED FOR THIS EXACT ORRURANCE. *TR

NHTSA ODI #10402489

126,355 miles · May 21, 2011
Air Bags

THE SEAT-MOUNTED, SIDE TORSO AIR BAGS FOR THE DRIVER AND FRONT PASSENGER MIGHT EXPLODE. THE AIRBAG LIGHT WILL NOT GO OFF. DEALER TRIED TO GET ME TO BUY NEW MODULE BUT I DID SOME RESEARCH ON YOUR SITE AND FOUND OUT THERE ARE MANY CASES LIKE MINES. PLEASE HELP WHAT SHOULD I DO? *TR

NHTSA ODI #10402282

104,500 miles · Apr 7, 2011
Fuel System, GasolineSeats

PURCHASED 2003 INFINITI M45 WITH 104K MILES AT VOLVO OF HOUSTON, TX AND DROVE BACK TO AUSTIN, TX. THE FUEL GAUGE READ MORE THAT HALF A TANK IN THE CAR, BUT WAS IN FACT CLOSER TO EMPTY. WHILE DRIVING CAR RAN OUT OF GAS ON A MAIN THOROUGH FARE HAD TO CALL AAA ROADSIDE ASSISTANCE FOR TOWING TO LOCAL AUTOREPAIR SHOP. IN THE PAST…

Read full complaint

PURCHASED 2003 INFINITI M45 WITH 104K MILES AT VOLVO OF HOUSTON, TX AND DROVE BACK TO AUSTIN, TX. THE FUEL GAUGE READ MORE THAT HALF A TANK IN THE CAR, BUT WAS IN FACT CLOSER TO EMPTY. WHILE DRIVING CAR RAN OUT OF GAS ON A MAIN THOROUGH FARE HAD TO CALL AAA ROADSIDE ASSISTANCE FOR TOWING TO LOCAL AUTOREPAIR SHOP. IN THE PAST YEAR HAVE LEARNED THAT THIS IS A COMMON PROBLEM THE NISSAN CORP REFUSES TO RECALL. *TR

NHTSA ODI #10395207

76,100 miles · Mar 24, 2011
Fuel System, Other

I HAVE HAD MY INFINITI M45 VEHICLE ONLY FOUR MONTHS NOW AND I JUST REALIZED ABOUT 3 WEEKS AGO THAT THE GAS GAUGE WASN'T READING CORRECTLY AND I DID SOME RESEARCH ON IT. GOING ON A LOT OF FORUMS, I'VE BEEN GETTING MANY PEOPLE SAYING THIS HAPPENS TO THEIR VEHICLE. I WENT DOWN TO ASK ABOUT A PRICE FOR THE PART AND JOB AND I WAS TO…

Read full complaint

I HAVE HAD MY INFINITI M45 VEHICLE ONLY FOUR MONTHS NOW AND I JUST REALIZED ABOUT 3 WEEKS AGO THAT THE GAS GAUGE WASN'T READING CORRECTLY AND I DID SOME RESEARCH ON IT. GOING ON A LOT OF FORUMS, I'VE BEEN GETTING MANY PEOPLE SAYING THIS HAPPENS TO THEIR VEHICLE. I WENT DOWN TO ASK ABOUT A PRICE FOR THE PART AND JOB AND I WAS TOLD 900 OR SO. I DO NOT BELIEVE IT IS FARE TO MYSELF AND MANY OTHER INFINITI DRIVERS TO HAVE TO SPEND THAT MUCH ON AN ALREADY GREAT LUXURY VEHICLE. I BEEN STUCK 2 TIMES ON THE HIGHWAY AND ONE TIME WITH MY DAUGHTER. THIS WAS MY GIFT AFTER A ROUGH DEPLOYMENT AND I BELIEVE IF I SHOULD GET CHARGED IT SHOULD ONLY BE THE LABOR WORK FOR AN HOUR OR SO. *TR

NHTSA ODI #10392714

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.