I RECENTLY BOUGHT A 2009 INFINITI M35. MY VEHICLE AND PROBABLY MANY OTHER 2009 INFINITIS WITH THE 7-SPEED TRANSMISSION HAS THE FOLLOWING ISSUES: 1) HARSH DOWNSHIFTS: THE VEHICLE SUDDENLY DOWNSHIFTS AND THIS ACTION BRAKES THE VEHICLE SIGNIFICANTLY WITHOUT THE DRIVER'S WILL. IF THERE IS ANOTHER VEHICLE FOLLOWING CLOSELY IT MIGHT CRASH THE INFINITI FROM BEHIND. 2) LAG OF POWER: SOMETIMES THE CAR IS "SEARCHING" FOR THE RIGHT GEAR, RESULTING IN A LAG OF POWER. THIS IS VERY DANGEROUS ESPECIALLY WHILE MERGING INTO HIGHWAYS SINCE THE CAR SOMETIMES DELAYS/REFUSES TO ACCELERATE. 3) DOWNSHIFTS AT WRONG TIME: I WILL DESCRIBE THIS ISSUE USING AN EXAMPLE. ASSUME YOU MAKE A FULL STOP AT A STOP SIGN. THE CAR STILL HAS 2ND OR 3RD GEAR EVEN IF THE CAR HAS STOPPED COMPLETELY. WHEN YOU BEGIN ACCELERATING THE CAR DOWNSHIFTS TO 1ST GEAR, WHICH PUSHES THE CAR FORWARD IN A VERY HARSH WAY. VERY DANGEROUS IN CITY DRIVING. (IMAGINE WHAT HAPPENS WHEN YOU DOWNSHIFT FORM 3RD OR 2ND GEAR TO 1ST GEAR WHILE THE CAR IS MOVING WITH 5-10MPH AND 2500RPM). THIS ABOVE ISSUES EXIST NOT ONLY IN THE 2009 M35 MODEL BUT IN OTHER MODELS WITH THE 7-SPEED TRANSMISSION LIKE THE 2009 G37 AND OTHERS. THE ISSUE PROBABLY EXISTS IN LATER YEAR MODELS. ON 1/2/2012 I HAD A CALL WITH INFINITI CUSTOMER AFFAIRS, THEY VERIFIED THAT INFINITI IS AWARE OF THE ISSUE AND THAT THEY ARE WORKING ON A SOFTWARE UPDATE. HOWEVER, SOME VEHICLES HAVE BEEN ALREADY 3-YEARS OLD AND THEIR OWNERS ARE STILL WAITING FOR A FIX. MOREOVER INFINITI RELEASED T
2009 Infiniti M
Routine
Owners filed 1 complaints about this vehicle with federal regulators, most often about the power train. No safety recall has been issued.
What fails
| Component | Reports | Crashes | Fires | Injuries | |
|---|---|---|---|---|---|
| Power Train | 1 | 0 | 0 | 0 |
What owners reported
Newest filingsPower Train
Filed Jan 3, 2012CA
1 of 1 complaints, reproduced as filed.
Reading this record
No unusual pattern of severe incidents in the complaint record.
Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.
Most recent recall on file: none. Source: NHTSA Office of Defects Investigation.