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2012 QX56
2012 Infiniti QX56 Service Bulletins
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Access denied ITB14-056
ALL 2010 AND UP INFINITI MODELS; PERMANENT DTC (P-DTC) INFORMATION
Starting with 2010 Model Year, Infiniti vehicles have been gradually incorporating a new type of DTC known as “Permanent DTC or P-DTC”.

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11-26-2014
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Keywords: p-dtc permanent dtc
Access denied ITB14-054
2011-2013 INFINITI QX56, 2014-2014 QX80; TIPS FOR DIAGNOSING DISABLED AUTO BACK DOOR OPERATION
If the auto back door will not operate automatically (operates only in manual mode), first note some conditions that may cause this.

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11-21-2014
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Keywords: auto back door b2420
Access denied ITB14-055
ALL INFINITI MODELS; DIAGNOSIS OF POOR ACCELERATION OR LACK OF POWER
If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair.

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11-21-2014
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Access denied ITB14-028
ALL INFINITI MODELS; FLUID LEAK REPAIR SERVICE INFORMATION
The following information is provided to help ensure correct diagnosis and repair of fluid leaks. All fluid leaks, when properly diagnosed, should be repaired (whether under warranty or customer pay) to ensure proper vehicle operation.

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06-24-2014
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Keywords: fluid leak repair
Access denied ITB13-053
2011–2012 INFINITI QX56; MIL “ON” WITH DTC P0420 AND/OR P0430
MIL “ON” with DTC P0420 and/or P0430 (Three Way Catalyst Function)

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12-14-2013
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Keywords: dtc engine mil p0420 p0430 code
Access denied ITB13-052
VARIOUS INFINITI MODELS; INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START
Intelligent Key (I-Key) systems on the Applied Vehicles use two (2) different Radio Frequencies (RF) that are similar to other wireless devices; 315 MHz and 433 MHz.
In the event another wireless device (e.g. aftermarket alarm system) is transmitting at the same time as an I-Key, it can interfere with the I-Key signals being received by the BCM.

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12-12-2013
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Keywords: engine intelligent key start
Access denied ITB13-044
2012 AND NEWER INFINITI MODELS; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION
All model year 2012 and newer Infiniti vehicles have a warning indicator in the instrument area to alert the driver of a loose fuel cap.

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11-16-2013
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Keywords: codes engine evap leak light p0442 p0455 p0456
Access denied ITB13-042
2011-2013 INFINITI QX56; SECOND ROW SEAT HEATERS DO NOT WORK
Both seat heaters of the second row seats do not work.
AND
Fuse # 14 is found open (or “blown”).

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10-24-2013
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Keywords: seat second row heaters
Access denied ITB13-039
ALL INFINITI MODELS; LOW TIRE PRESSURE WARNING SYSTEM;
This bulletin has compiled Tire Pressure Monitor System (TPMS) and Low Tire Pressure Warning System (LTPWS) information for:
  • Basic Diagnosing of TPMS/LTPWS systems.
  • Aftermarket wheels.
  • Inflating/deflating tires with TPMS/LTPWS sensors.
  • Moving TPMS/LTPWS wheel assemblies from one vehicle to another and TPMS/LTPWS sensor registration.
  • Radio Frequency interference causing a “No Data” (C1708, C1709, C1710, C1711) condition.
  • Sensor leaks.
  • Air pressure changes with altitude and ambient temperatures.

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09-27-2013
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Keywords: warning tire system pressure low
Access denied ITB13-009a
-REVISED-
2011-2013 INFINITI QX56; WHINE NOISE FROM ENGINE AREA
A whine type noise is coming from the Bank 2 (B2) side of the timing chain system.
• The noise is best heard from the high pressure fuel pump area.
• The noise should increase in frequency with engine speed (RPM).
• If the noise does not increase with engine speed, the timing chain system may not be the cause.
Refer to the appropriate section of the Electronic Service Manual (ESM) for further diagnosis.

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09-05-2013
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Keywords: whine noise engine
 


 
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