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2009 Infiniti G37

Owner reports · Recalls · Investigations

More warning signs than most G37 years

Owner complaints for the 2009 Infiniti G37 are substantially higher than the model-year median of 64.5.

About this comparison →

How this year compares

Owner complaints by model 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

126 reports with mileage · 41 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.

  • Air Bags. Review the 88 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports0 fire reports1 injury reports

What owners actually said

167 reports
800 miles · Jan 14, 2010
Power Train

2009 INFINITI G37X COUPE. 1ST GEAR IS EXCEPTIONALLY SLOW AND CAUSES DANGEROUS ACCELERATION PROBLEMS IN CERTAIN SITUATIONS. THE TRANSMISSION JERKS WHEN UP OR DOWN SHIFTING. WHEN I TOOK MY CAR TO INFINITI FOR SERVICE I WAS TOLD THAT INFINITI HASN'T RELEASED A SOFTWARE UPDATE OR RECALL FOR THIS PROBLEM YET BUT THAT THEY'VE BEEN R…

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2009 INFINITI G37X COUPE. 1ST GEAR IS EXCEPTIONALLY SLOW AND CAUSES DANGEROUS ACCELERATION PROBLEMS IN CERTAIN SITUATIONS. THE TRANSMISSION JERKS WHEN UP OR DOWN SHIFTING. WHEN I TOOK MY CAR TO INFINITI FOR SERVICE I WAS TOLD THAT INFINITI HASN'T RELEASED A SOFTWARE UPDATE OR RECALL FOR THIS PROBLEM YET BUT THAT THEY'VE BEEN RECEIVING NUMEROUS COMPLAINTS ABOUT THE PROBLEM. *TR

NHTSA ODI #10299726

3,800 miles · Jan 11, 2010
Vehicle Speed Control

DRIVING MY NEW 2009 G37X INFINITI AND MADE A FAIRLY HARD BRAKE FOR A RED LIGHT - CAR SLID A LITTLE TO A STOP, BUT CONTINUED ACCELERATING AT 2500 TO 3000 RPMS WHILE I HELD BOTH FEET ON THE BRAKE TO KEEP IT IN PLACE. IT WAS LIKE HOLDING BACK A REVVED UP JET - RPMS WOULD NOT COME DOWN EVEN WHEN I SHIFTED CAR TO NEUTRAL. NEVER EXP…

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DRIVING MY NEW 2009 G37X INFINITI AND MADE A FAIRLY HARD BRAKE FOR A RED LIGHT - CAR SLID A LITTLE TO A STOP, BUT CONTINUED ACCELERATING AT 2500 TO 3000 RPMS WHILE I HELD BOTH FEET ON THE BRAKE TO KEEP IT IN PLACE. IT WAS LIKE HOLDING BACK A REVVED UP JET - RPMS WOULD NOT COME DOWN EVEN WHEN I SHIFTED CAR TO NEUTRAL. NEVER EXPERIENCED ANYTHING LIKE THIS IS 40 YEARS OF DRIVING. NOTICED ODI COMPLAINT # 10296445 WHICH IS THE EXACT DESCRIPTION OF WHAT HAPPENED TO ME (WITHOUT COLLISION) WITH THE SAME VEHICLE - 2009 INFINITI G37X SEDAN. THIS PROBLEM IS GOING TO CAUSE SOMEONE TO GET INJURED OR KILLED! HAVE AN APPOINTMENT WITH DEALER ON WEDNESDAY MORNING. *TR

NHTSA ODI #10298957

375 miles · Dec 30, 2009
Power Train

WE PICKED UP OUR BRAND NEW INFINITI G37 SEDAN OUT OF TOWN (52 MILES ON IT) AND THE NEXT DAY, DROVE IT HOME 300 HIGHWAY MILES. OBVIOUSLY, WE WERE EXTREMELY FORTUNATE THE PROBLEM DIDN'T BEGIN ON THE TRIP. BY THE SECOND DAY, THE CAR STARTED DYING WHEN WE CAME TO A STOP. AT FIRST, THE PROBLEM DIDN'T HAPPEN EVERY TIME WE SLOWED DO…

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WE PICKED UP OUR BRAND NEW INFINITI G37 SEDAN OUT OF TOWN (52 MILES ON IT) AND THE NEXT DAY, DROVE IT HOME 300 HIGHWAY MILES. OBVIOUSLY, WE WERE EXTREMELY FORTUNATE THE PROBLEM DIDN'T BEGIN ON THE TRIP. BY THE SECOND DAY, THE CAR STARTED DYING WHEN WE CAME TO A STOP. AT FIRST, THE PROBLEM DIDN'T HAPPEN EVERY TIME WE SLOWED DOWN, AND WE DISCOVERED PUTTING THE CAR IN NEUTRAL PROVED HELPFUL. WE HOPED IT WAS A FLUKE THAT WOULD QUICKLY ABATE. UNFORTUNATELY, BY THE NEXT DAY, THE PROBLEM WORSENED, AND THE CHECK ENGINE LIGHT WENT ON. WE TOOK IT TO THE LOCAL DEALER, AND WITH INFINITI, THEY DETERMINED THE TORQUE CONVERTER WAS LOCKING, AND THE CAR NEEDED A NEW TRANSMISSION/DRIVE TRAIN - APPARENTLY, THEY FOUND A PO744 ERROR CODE. THIS IS OUR 3RD INFINITI, AND WE'VE NEVER HAD A SINGLE MECHANICAL PROBLEM WITH THE OTHERS, AND BOTH DEALERSHIPS (THE ONE WE PURCHASED FROM AND THE LOCAL ONE HANDLING THE SERVICE) CLAIMED THEY'D NEVER SEEN ANYTHING LIKE THIS ON A NEW CAR. I'M AFRAID WHAT MIGHT HAVE HAPPENED HAD WE NEEDED TO STOP SUDDENLY IN TRAFFIC. TO REINFORCE THE MAGNITUDE OF THIS PROBLEM, THE WARRANTY REPAIR ESTIMATE (THUS FAR) STANDS AT $11,000 (RETAIL WOULD BE $16K+). IN LIGHT OF HOW SIGNIFICANT THE PROBLEM, I'M SCARED TO DRIVE A VEHICLE WHICH IMMEDIATELY REQUIRED THIS TYPE OF REPAIR. INFINITI'S CONSUMER ASSISTANCE DEPARTMENT HAS TURNED THE FILE OVER FOR REVIEW BUT WILL ONLY LOOK INTO WHETHER THE SITUATION QUALIFIES FOR REPLACEMENT UNDER APPLICABLE LEMON LAWS. THEY WON'T CONSIDER OWNER LOYALTY OR PROBLEM MAGNITUDE OF THE PROBLEM, AND I REMAIN VERY CONCERNED ABOUT FUTURE SAFETY. *TR

NHTSA ODI #10297540

379 miles · Dec 19, 2009
Vehicle Speed ControlCrash

I PURCHASED A NEW G37X INFINITI ON MARCH 31, 2009. ON APRIL 14, I WAS DRIVING IN A LINE OF TRAFFIC AND HAD TO STOP FOR A RED LIGHT. I APPLIED MY BRAKE AND INSTEAD OF STOPPING THE CAR KEPT ON ACCELERATING (LUNGING) FORWARD AND FINALLY HIT THE CAR IN FRONT OF ME. I WAS GOING SLOWLY AND THERE WAS NO DAMAGE. THE DRIVER OF THE HIT VE…

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I PURCHASED A NEW G37X INFINITI ON MARCH 31, 2009. ON APRIL 14, I WAS DRIVING IN A LINE OF TRAFFIC AND HAD TO STOP FOR A RED LIGHT. I APPLIED MY BRAKE AND INSTEAD OF STOPPING THE CAR KEPT ON ACCELERATING (LUNGING) FORWARD AND FINALLY HIT THE CAR IN FRONT OF ME. I WAS GOING SLOWLY AND THERE WAS NO DAMAGE. THE DRIVER OF THE HIT VEHICLE GOT OUT TO INSPECT THE DAMAGE AND WHILE HE WAS LOOKING, THE CAR LUNGED FORWARD AGAIN, ALMOST HITTING HIM. I THOUGHT PERHAPS IT WAS MY FAULT BECAUSE IT WAS RAINING OUT AND THE CAR HAS ABS BRAKES WHICH MY PREVIOUS 12 YEAR OLD CAR DID NOT HAVE SO I THOUGHT I DIDN'T KNOW HOW TO DRIVE IN THE RAIN. I IMMEDIATELY DROVE STRAIGHT TO THE INFINITI DEALER AND THEY CHECKED IT OUT AND COULD FIND NOTHING WRONG. ON SATURDAY, NOVEMBER 7, 2009, I WAS COMING TO A STOP SIGN AND APPLIED MY BRAKES AND AGAIN THE CAR WOULDN'T STOP. IT KEPT LUNGING FORWARD AND WENT THROUGH THE INTERSECTION. FORTUNATELY, NO ONE WAS CROSSING THE STREET AND THERE WERE NO CARS IN FRONT OF ME. I WAS REALLY SHAKEN UP. ON MONDAY, NOVEMBER 9, I BROUGHT IT BACK TO THE INFINITI DEALER AND THEY SAID THERE WAS A HARSH 4>3 DOWNSHIFT CAUSING VEHICLE TO LUNGE. APPARENTLY, A TECHNICAL SERVICE BULLETIN HAD BEEN ISSUED BETWEEN MY TWO EVENTS AND THEY DID THE FIX. (TSB ITB09-032B). I WENT ON-LINE AND DISCOVERED THAT THIS TSB DOES NOT ADDRESS THE PROBLEM I DESCRIBED. I THEN CALLED THE REGIONAL INFINITI DEALER AND THEY OPENED A FILE ON THE CASE AND SAID I SHOULDN'T DRIVE THE CAR. I BROUGHT IT BACK TO THE DEALER AND THEY GAVE ME A LOANER BUT ASKED FOR IT BACK SOON AFTER BECAUSE THEY HAD NO DATE AS TO WHEN THE REGIONAL INFINITI PEOPLE COULD LOOK AT . FINALLY, ON NOVEMBER 30TH, MIKE WEATHERHILL FROM INFINITI LOOKED AT THE CAR. I HAD HEARD NOTHING SO I CALLED THE REGIONAL OFFICE TWICE AND FINALLY THEY TOLD ME THAT THE CASE WAS IN ARBITRATION. I ASKED FOR THAT PHONE NUMBER WHICH THEY REFUSED TO GIVE ME. I AM AT MY WIT'S END TRYING TO FIND OUT WHAT IS GOING ON AND AM AFRAID THAT I AM DRIVING A TIME BOMB. *TR

NHTSA ODI #10296445

5,800 miles · Dec 8, 2009
Air BagsInjury

TL* THE CONTACT OWNS A 2009 INFINITI G37 COUPE. WHILE DRIVING 35 MPH HE HIT A POT HOLE; IN WHICH THE AIR BAGS DEPLOYED. AFTER DEPLOYMENT, THE AIR BAG WARNING LIGHT ILLUMINATED ON THE INSTRUMENT CONTROL PANEL. HE CONTACTED THE DEALER, AND HE WAS ADVISED TO CONTACT HIS INSURANCE COMPANY. A REPRESENTATIVE FROM THE MANUFACTURERS C…

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TL* THE CONTACT OWNS A 2009 INFINITI G37 COUPE. WHILE DRIVING 35 MPH HE HIT A POT HOLE; IN WHICH THE AIR BAGS DEPLOYED. AFTER DEPLOYMENT, THE AIR BAG WARNING LIGHT ILLUMINATED ON THE INSTRUMENT CONTROL PANEL. HE CONTACTED THE DEALER, AND HE WAS ADVISED TO CONTACT HIS INSURANCE COMPANY. A REPRESENTATIVE FROM THE MANUFACTURERS CORPORATE OFFICE STATED THAT THEY WOULD SEND AN INSPECTOR TO DIAGNOSE THE VEHICLE. IT COST BETWEEN $ 6000.00 TO $14000.00 TO REPAIR THE VEHICLE. HE FILED CASE #6673885 WITH INFINITI . THE FAILURE MILEAGE WAS 5800. THE CURRENT MILEAGE WAS 5850. UPDATED 01/05/10 *BF THE CONSUMER STATED THERE WAS NO DAMAGE TO THE VEHICLE, YET THE AIR BAGS DEPLOYED WHICH CAUSED MULTIPLE BURNS TO HIS ARMS. UPDATED 01/06/10. *JB

NHTSA ODI #10294996

4,000 miles · Nov 30, 2009
Air Bags

TL*THE CONTACT OWNS A 2009 INFINITI G37. THE AIR BAG OFF LIGHT ILLUMINATED INTERMITTENTLY AND REMAINED ON WHICH MEANT THAT EVEN IF AN ADULT WAS SITTING IN THE FRONT PASSENGER SEAT THE AIR BAG WOULD NOT DEPLOY. THE LIGHT ILLUMINATED MORE FREQUENTLY WHILE DRIVING LONGER DISTANCES. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE AND…

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TL*THE CONTACT OWNS A 2009 INFINITI G37. THE AIR BAG OFF LIGHT ILLUMINATED INTERMITTENTLY AND REMAINED ON WHICH MEANT THAT EVEN IF AN ADULT WAS SITTING IN THE FRONT PASSENGER SEAT THE AIR BAG WOULD NOT DEPLOY. THE LIGHT ILLUMINATED MORE FREQUENTLY WHILE DRIVING LONGER DISTANCES. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE AND STATED THAT THERE WAS NOTHING TO REPAIR. HE CONTACTED THE MANUFACTURER AND HAS NOT RECEIVED A RESPONSE. THE VEHICLE HAS NOT BEEN REPAIRED. THE CURRENT MILEAGE WAS APPROXIMATELY 4,800 AND THE FAILURE MILEAGE WAS APPROXIMATELY 4,000. UPDATED 12/07/09 *BF THE CONSUMER ALSO STATED THE VEHICLE HAD BEEN SERVICED 4 TIMES FOR SECURITY SYSTEM MALFUNCTION AND TWICE FOR AIR BAG PROBLEMS. UPDATED 12/07/09. *JB

NHTSA ODI #10293951

Mileage unknown · Oct 28, 2009
Steering

A FEW DAYS AFTER I BOUGHT A NEW CAR WITH ELECTRIC STEERING WHEEL, I NOTICED A JERK ON THE STEERING WHEEL WHEN I PASSED A SPEED BUMP AND AT TIMES I FEEL LIKE THE STEERING WHEEL JUMPING ON ME AT ACCELERATION. A FEW WEEKS LATER I FOUND THE ORIGIN OF THE PROBLEM. THE ELECTRIC STEERING WHEEL DOES NOT LOCK IN PLACE SECURELY. IT WILL H…

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A FEW DAYS AFTER I BOUGHT A NEW CAR WITH ELECTRIC STEERING WHEEL, I NOTICED A JERK ON THE STEERING WHEEL WHEN I PASSED A SPEED BUMP AND AT TIMES I FEEL LIKE THE STEERING WHEEL JUMPING ON ME AT ACCELERATION. A FEW WEEKS LATER I FOUND THE ORIGIN OF THE PROBLEM. THE ELECTRIC STEERING WHEEL DOES NOT LOCK IN PLACE SECURELY. IT WILL HAVE TO BE PUSH MANUALLY TO SECURE IT. IF YOU DRIVE AWAY AND FORGET TO SECURE IT MANUALLY THAT IS WHEN THE JERK OCCUR INTO THE SITUATION I DESCRIBED EARLIER. I BROUGHT IT BACK TO THE DEALER AND TAKE IT IN FOR REPAIR UNDER WARRANTY, IN THE PROCESS TAKING OUT THE WHOLE STEERING WHEEL ASSEMBLY AND PUT IT BACK TOGETHER AND TOLD THEY CANNOT FIND ANY PROBLEM. THEY CONCLUDED THAT 'COMPARED TO OTHER SIMILAR MODELS THEY ALSO HAVE A SLIGHT PLAY OF THE STEERING COLUMN. THIS IS NORMAL CHARACTERISTIC OF THIS YEAR AND MODEL VEHICLE". I GOT IN TOUCH WITH INFINITY CONSUMER AFFAIRS BUT AFTER A FEW DAYS THEY CAME UP WITH THE SAME CONCLUSION. I THINK IT IS THE RESPONSIBILITY OF THE DEALER TO INFORM THE CONSUMER OF THIS KIND OF " CHARACTERISTIC " BEFORE THE CONSUMER MAKE A DECISION. IS THERE A DEFECT OR SAFETY ISSUE INVOLVE IN THIS SITUATION? THANK YOU VERY MUCH. *TR

NHTSA ODI #10290182

Official recalls

0

No recalls in this snapshot.

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

0

No exact-year investigations in this snapshot.