Problems owners report
Complaints filed with NHTSA about the 2011 Infiniti M56, by the system named in each complaint. One complaint can name several.
- Power train6
- Engine4
- Electrical system3
- Air bags2
- Service brakes1
- Unknown or other1
- Electronic stability control (esc)1
- Suspension1
- Steering1
- Seat belts1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 2011 Infiniti M56 failed the safety check 2.47% of the time — 1% less often than the average 2011 passenger car (2.49%). Median odometer at inspection: 112,629 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Crash-test ratings
NHTSA 5-star results for 2 variants; 0 of 2 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2011 Infiniti M56 4 DR AWD | ★★★★☆ | 11.3 % |
| 2011 Infiniti M56 4 DR RWD | ★★★★☆ | 11.3 % |
- Electronic stability control
- Standard
- Forward collision warning
- Optional
- Lane departure warning
- Optional
- Best overall rating
- 4 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 1 variant: combined 12.2 L/100 km (about 19 mpg US), CO₂ 281 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| M56 · Mid-size · Premium gasoline | 14.5 | 9.5 | 12.2 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
4 Transport Canada recalls for the 2011 Infiniti M56.
| 2024362 21 Jun 2024 | Powertrain Issue: On certain vehicles, the driveshaft may not have been manufactured properly. As a result, the driveshaft could break and cause a loss of power to the w… |
| 2020601 8 Dec 2020 | Powertrain Issue: On certain vehicles, the propeller shaft (driveshaft) could break while driving and cause a loss of power to the wheels. In severe cases, a propeller s… |
| 2014539 28 Nov 2014 | Fuel System On certain vehicles, the fuel pressure sensor connected to the engine fuel delivery rail may not have been sufficiently tightened during vehicle assembly. Shou… |
| 2012074 23 Feb 2012 | Fuel System On certain vehicles, the fuel pressure sensor connected to the engine fuel delivery rail may not have been sufficiently tightened during vehicle assembly. Shou… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Nissan North America, Inc. (Nissan) is recalling certain 2011-2013 Infiniti M56, 2012-2013 M35 Hybrid, and 2014 Q70 and Q70 Hybrid vehicles. These models, equipped with 2WD and with a hybrid or VK56 powertrain, have a driveshaft that may break.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Infiniti told its dealers about the 2011 Infiniti M56: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11002539 | INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11002537 | CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001653 | CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001182 | WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001179 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 11001177 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10235451 | HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10233614 | CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10233611 | ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232646 | REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232645 | WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10232644 | WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10222705 | CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10212025 | VOLUNTARY SERVICE CAMPAIGN CALL WAITING FUNCTION NAVIGATION UPDATE Service Campaign ID # P1235 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P1235. Discard all previous versions of ITB11-046. |
| 10211972 | VOLUNTARY SERVICE CAMPAIGN 2011 INFINITI M; POWER WINDOW AUTO-UP OPERATION CAMPAIGN ID # P1218 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P1218. Discard all previous versions of ITB11-052. |
| 10208936 | DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208933 | INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10208930 | CAN COMMUNICATION NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10207844 | CAN COMMUNICATION CODES DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10206354 | HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10202229 | VOLUNTARY SERVICE CAMPAIGN 2011 2012 M; BLUETOOTH SOUND QUALITY Service Campaign ID # P1239 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P1239. Discard all previous versions of ITB11-047. |
| 10202228 | VOLUNTARY SERVICE CAMPAIGN 2011 INFINITI M; REAR WINDOW SUNSHADE Service Campaign ID # P1238 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P1238. Discard all previous versions of ITB11-051. |
| 10200008 | VOLUNTARY SERVICE CAMPAIGN 2011 INFINITI M37 / M56; 4 WHEEL ACTIVE STEERING Service Campaign ID # P0328 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P0328. Discard all previous versions of ITB10-047. |
| 10199137 | CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| 10192828 | Infiniti is conducting a Voluntary Service Campaign on certain 2011-2013 QX56 and 2011-2013 M56 vehicles to replace the ?Timing Chain?. |
NHTSA manufacturer communications (public domain)