2009 Infiniti M

Owner complaints

Latest complaints

• Jan 3, 2012CA
  Power train
  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…

  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 technical bulletin itb09-032b to address the harsh downshift issue, but in my opinion that only partially improved the issue. there are plenty of internet sites where many other infiniti customers complaint about the 7-speed transmission. Here IS just one link. http://townhall-talk.edmunds.com/webx/.f1fbf24?displayrecent. *tr

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10043948Infiniti: the electronic control module (ecm) needs to be replaced on a 2004 my and later vehicle.
• 10043720Infiniti: vehicles using intelligent key system and/or door request switch can not lock or unlock vehicle doors.
• 10033227Infiniti: 5 speed a/t dtc diagnoses for p1701, p1702, p1703, p1704, p1705, p1754, p1759, p1764, p1769, p1774. Applies to re 5r05a only transmissions (5 speed a/t). If one or more dtcs listed are found stored in self diagnosis, use the repair flow chart to assist in diagnosis.
• 10032994Infiniti: a xenon headlamp IS not functioning because of an issue inside the headlamp assembly (an internal issue). Refer to the appropriate service manual, follow the diagnostic and repair information for xenon headlamps.
• 10032524Infiniti: vent control valve replacement. No applied vehicles affected: all models; no model years listed.
• 10032305Infiniti: srs precautions during service. Included in the restraints section of the electronic service manual (esm) for each vehicle IS information necessary to service the supplemental restraint system (srs) safely. Improper maintenance, including incorrect removal and installation of the srs, can lead to a serious injury or death caused by unintentional activation of the srs. No model or model years listed. Updated 2/21/14.
• 10032304Infiniti: exterior lamp fogging. Water in the exterior lamps. This IS generally not due to a defect. All current exterior lamp assemblies are vented to the atmosphere (not sealed). Moisture in the air sometimes travels into and out of the lamp assembly through these vents. Necessary to allow for expansion and contraction of air from temperature variations (warmer or colder) without damage to the lamp. Certain environmental conditions may cause moisture to condense. Fogging/cloudiness should disappear over time when the lamp IS in a dry environment. Updated 7/28/10. Updated 12/9/13.
• 10031304Infiniti: tire pressure monitoring system (TPMS) warning light on/blinking. No models or model years listed. Updated on 08-11-2011.
• 10030145Infiniti: electronic control unit damage can result from improper battery connection. The battery IS required to stay connected when the engine IS running. No model years listed.
• 10025521Srs precautions during service; incorrect removal and installation of the srs, can lead to a serious injury or death caused by unintentional activation of the srs on all infiniti models with the srs systems.

Every Infiniti M model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.