2009 Infiniti G37: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
167 owner complaints analyzed
0 distinct recall campaigns
70,000 mi median reported failure mileage
Scope: 2009 model year. Data snapshot: . 126 complaints include usable failure mileage.
Most common problems
Air Bags is the most frequently named component, appearing in 86 of 167 complaints (51.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 16 | 9.6% |
| Transmission and shifting | 12 | 7.2% |
| Electrical and battery issues | 10 | 6.0% |
| Engine operation | 9 | 5.4% |
| Steering behavior | 6 | 3.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Air Bags | 86 |
| Engine | 21 |
| Unknown Or Other | 20 |
| Electrical System | 16 |
| Seats | 13 |
| Power Train | 11 |
| Vehicle Speed Control | 9 |
| Power Train:Automatic Transmission | 6 |
Air Bags: 86; Engine: 21; Unknown Or Other: 20; Electrical System: 16; Seats: 13; Power Train: 11; Vehicle Speed Control: 9; Power Train:Automatic Transmission: 6
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 30 |
| 25,000 to 49,999 | 10 |
| 50,000 to 74,999 | 32 |
| 75,000 to 99,999 | 25 |
| 100,000 to 149,999 | 23 |
| 150,000 and above | 6 |
Under 25,000: 30; 25,000 to 49,999: 10; 50,000 to 74,999: 32; 75,000 to 99,999: 25; 100,000 to 149,999: 23; 150,000 and above: 6
50,000 to 74,999 miles has the most reports with usable mileage (32). 41 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2009 | 5 |
| 2010 | 13 |
| 2011 | 4 |
| 2012 | 6 |
| 2013 | 3 |
| 2014 | 7 |
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 19 |
| 2019 | 33 |
| 2020 | 14 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
2009: 5; 2010: 13; 2011: 4; 2012: 6; 2013: 3; 2014: 7; 2015: 7; 2016: 12; 2017: 18; 2018: 19; 2019: 33; 2020: 14; 2021: 7; 2022: 7; 2023: 7; 2024: 2; 2025: 2; 2026: 1
Pattern summary
Air Bags leads the component reports. Braking behavior appears in 16 complaint narratives. Transmission and shifting appears in 12 complaint narratives. Electrical and battery issues appears in 10 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10290182 · 2009-10-28 (October 28, 2009)
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…
Owner-reported narrative. Look up ODI 10290182 at NHTSA ↗
Owner report 10293951 · 2009-11-30 (November 30, 2009)
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 APPROXI…
Owner-reported narrative. 4,000 miles reported. Look up ODI 10293951 at NHTSA ↗
Owner report 10294996 · 2009-12-08 (December 8, 2009)
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 C…
Owner-reported narrative. 5,800 miles reported. Look up ODI 10294996 at NHTSA ↗
Owner report 10296445 · 2009-12-19 (December 19, 2009)
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…
Owner-reported narrative. 379 miles reported. Look up ODI 10296445 at NHTSA ↗
Owner report 10297540 · 2009-12-30 (December 30, 2009)
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…
Owner-reported narrative. 375 miles reported. Look up ODI 10297540 at NHTSA ↗
Owner report 10298957 · 2010-01-11 (January 11, 2010)
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 PROB…
Owner-reported narrative. 3,800 miles reported. Look up ODI 10298957 at NHTSA ↗
Owner report 10299726 · 2010-01-14 (January 14, 2010)
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
Owner-reported narrative. 800 miles reported. Look up ODI 10299726 at NHTSA ↗
Owner report 10312291 · 2010-02-19 (February 19, 2010)
I OWN A TWO-MONTH OLD INFINITI G37X. WHEN BRAKING AT HIGHWAY SPEED, THE ENGINE DOES NOT SEEM TO SLOW DOWN AS FAST AS IT SHOULD. I BROUGHT THIS TO MY INFINITI DEALER THIS WEEK. THEY CONDUCTED TESTS ON IT AND FOUND THAT IT "PERFORMS AS DESIGNED." HOWEVER, THEY ACKNOWLEDGED THAT THE TRANSMISSION DOES NOT SLOW DOWN WHEN THE BRAKE IS APPLIED - THAT THE ENGINE IS DESIGNED TO "CLICK DOWN" FROM GEAR TO GEAR. BUT WHEN BRAKING HARD AT A HIGHWAY SPEED, THE CAR DOES NOT SLOW DOWN IMMEDIATELY BECAUSE OF THIS DESIGN. I'VE BEEN DRIVING FOR 33 YEARS AND …
Owner-reported narrative. 4,100 miles reported. Look up ODI 10312291 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.