2012 Infiniti QX56 Technical Service Bulletins

164 technical service bulletins (TSBs) are on record for the 2012 Infiniti QX56. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10192639Sep 15, 2015Lane departure, Wheels, Back-over prevention (rear camera), Brakes. SERVICE INFORMATION This bulletin has compiled Tire Pressure Monitor System (TPMS) and Low Tire Pressure Warning System (LTPWS) information for: - Basic diagnosing of TPMS/LTPWS systems - Radio frequency interference causing a "No Data" (C1708, C1709, C1710, C1711) condition - Sensor leaks - Moving TPMS/LTPWS wheel assemblies from one vehicle to another and TPMS/LTPWS sensor registration - Air pressure changes with…
• 10192616Aug 6, 2015Transmission and drivetrain. SERVICE INFORMATION The information in this bulletin 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. However, certain normal operating conditions can be misdiagnosed as a leak requiring repair.
• 10192613Aug 6, 2015Equipment. SERVICE INFORMATION If the AV Control Unit needs to be replaced on an Applied Vehicle for any reason, follow the steps in the Service Procedure to configure the Multi AV system. NOTE - The original AV Control Unit must be installed in the vehicle while performing part of this procedure. DO NOT remove the original AV Control Unit until instructed. See this bulletin for further detail.
• 10192601Jul 7, 2015Visibility (wipers, defrost, mirrors), Steering, Air bags. SERVICE INFORMATION The Applied Vehicles are equipped with a new version of Intelligent Key presets memory. Each Intelligent Key can be programmed to have its own unique set of presets for certain vehicle systems.
• 10192598Jul 6, 2015Back-over prevention (rear camera), Wheels, Steering, Brakes, Equipment. SERVICE INFORMATION When servicing run flat tires or low profile tires: - Special equipment and procedures are required to avoid damage. - Specifically, Tire Pressure Monitor transmitters (TPMS sensors) can be damaged when improperly dismounting and mounting tires. - TPMS sensors becoming damaged during mounting or dismounting tires are not covered under warranty.
• 10192589Jun 24, 2015Engine cooling. SERVICE INFORMATION After ECM reprogramming, the Calibration Verification Number (CVN) needs to be automatically calculated prior to State emissions testing (also known as Inspection Maintainence, I/M, or SMOG testing depending upon location). Allowing the vehicle to idle for 22 minutes will allow for faster CVN calculation. It is recommended that customers utilize this method if the vehicle needs to be tested for…
• 10192573May 7, 2015Wheels. SERVICE INFORMATION The appearance of painted alloy wheels can be damaged if acidic cleaners are used. DO NOT use Chrome Wheel Cleaner on Painted Wheels. Many chrome wheel cleaners have acidic ingredients. Make sure to follow all instruction in the Appearance and Care Section of the Owner?s Manual. Damage to wheel appearance due to the use of inappropriate chemicals or cleaning products is not covered under…
• 10192545Mar 16, 2015Wheels. SERVICE INFORMATION For vehicles delivered to the dealers with wheel protector covers - Do not remove the wheel protector covers during Pre-Delivery Inspection (PDI) - Wheel protector covers help prevent cosmetic rotor corrosion. See this bulletin for further detail.
• 10192533Mar 11, 2015Equipment. SERVICE INFORMATION NOTE - Failure to follow the procedures in this bulletin may result in the denial of a warranty claim. In an effort to protect the paint finish, Paint Guard Film (PGF) is applied on many new Infiniti vehicles. Paint Guard Film is a temporary white plastic protective film that is applied by the factory to the horizontal painted surfaces of the vehicle.
• 10192514Jan 16, 2015Air bags, Equipment, Back-over prevention (rear camera). SERVICE INFORMATION Changes or modifications to the front seat assembly trim materials may affect the proper operation of the Front Seat-Mounted Side-Impact Supplemental Air Bags and Passenger Occupant Classification Sensor and could result in serious personal injury or death. Infiniti STRONGLY RECOMMENDS AGAINST making any change to seat trim materials from the factory equipped condition.
• 10192511Jan 15, 2015Equipment. SERVICE INFORMATION DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons: 1. Something other than an Intelligent Key is inserted into the Key-Slot. 2. An Intelligent Key issue. 3. A wiring issue between the Key-Slot and the BCM. 4. A Key-Slot issue. If DTC B2190 is stored due to 1 or 2 above, it will not erase, or go to "PAST", until a known good registered Intelligent Key is inserted into the…
• 10192505Jan 5, 2015Equipment. SERVICE INFORMATION Two methods are used to update/upgrade Navigation Map Data: 1. The customer goes to www.infinitinavigation.com and is mailed update disc(s) or SD card and installs data, OR 2. The dealership is mailed update disc(s) and the customer must visit the dealership to have data installed. Use the matrix in this bulletin to determine which method is utilized for each Applied Vehicle. See this bulletin…
• 10192504Jan 5, 2015Suspension. SERVICE INFORMATION If a customer would like to activate a subscription for any of the following services: - SiriusXM Satellite Radio, NavTraffic, NavWeather or Travel Link OR If a radio is replaced for any reason, and a customer has an active subscription to any of the above services, OR If a customer claims to have an active subscription to any of the above services, AND any portion of the subscribed service is…
• 10192495Dec 16, 2014Transmission and drivetrain. IF YOU CONFIRM The Engine Cooling Fan is louder than normal. and There is a noticeable lack of power when accelerating in traffic, particularly in HOT weather. ACTIONS 1. Reprogram the ECM, if necessary. 2. Perform Engine Fan Coupler function inspection. - With engine temperature between 80-95°C (176-203°F), confirm that Cooling Fan speed responds to the commands of the ECM with the procedure starting on page 10…
• 10192479Nov 25, 2014Engine, Electrical system. SERVICE INFORMATION Starting with 2010 Model Year, Infiniti vehicles have been gradually incorporating a new type of DTC known as Permanent DTC or P-DTC. If a vehicle is equipped with P-DTCs, all emission related DTCs will also set a P-DTC if the MIL is turned ON. A listing of which DTCs that will also set a P-DTC is found in the DTC Index in the EC-Engine Control section of the Electronic Service Manual (ESM).
• 10192476Nov 20, 2014Equipment, Body and structure. SERVICE INFORMATION If the auto back door will not operate automatically (operates only in manual mode), first note some conditions that may cause this: * Is DTC B2420 set as "current" in the back door control unit? If the auto back door "CLOSE SW" (close switch) state does not change from ON to OFF after 3 attempts to close the auto back door, B2420 will be set and the auto feature will be disabled. Please see…
• 10192475Nov 20, 2014Transmission and drivetrain, Electrical system. SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * Use CONSULT-III plus in Engine Data Monitor to check operation of the brake lamp circuit…
• 10192427Aug 21, 2014Electrical system, Engine, Equipment. IF YOU CONFRIM An oil leak at the right side block ball plug behind the alternator. ACTION: Use a punch to seat the block ball plug in the hole (refer to the Service Procedure). See this bulletin for further detail.
• 10192408Jul 18, 2014Equipment, Engine cooling. IF YOU CONFIRM MIL "ON" with DTC P0420 and/or P0430 (Three Way Catalyst Function), ACTION: 1. Reprogram the ECM (if needed). 2. Replace three way catalyst and A/F sensor. See this bulletin for further detail.
• 10192396Jun 24, 2014Equipment, Electrical system. SERVICE INFORMATION Related to communication codes U1000, U1001, U1002, U1010: - Always diagnose the communication codes first. - When a module reports a U1000 code, it is typically operating normally; however, there is a communication error external to that module on the CAN network. - U1000 indicates an error. V-CAN diagram or CAN Diag Support Monitor provides data to determine the location of the error. See this…
• 10192355Apr 29, 2014Electrical system, Equipment. SERVICE INFORMATION Warranty claims coding for repairing wiring harnesses for all Infiniti vehicles has changed. This bulletin gives an outline of the retailer technician?s responsibilities in assisting the retailer claims administrator to properly code a harness repair. Failure to provide correct information may result in claims suspension or rejection. See this bulletin for further detail.
• 10192334Mar 14, 2014Electrical system, Equipment. SERVICE INFORMATION The rear seat headphones have an "A" channel (Ach) and a "B" channel (Bch). The channel switch is on the headphone ear pad case. If a person is sitting on the left side (driver side) of the vehicle and their headphones are set to Bch, the headphones may have static or intermittently operate (cut in and out).
• 10192314Jan 27, 2014Electrical system, Air bags. SERVICE INFORMATION Information necessary to service the Supplemental Restraint System (SRS) safely is included in the "RESTRAINTS" section of the Electronic Service Manual (ESM) for each vehicle IMPORTANT: Turn the ignition switch OFF, disconnect both battery terminals, and wait at least 3 minutes before performing any service on the SRS. See this bulletin for further detail.
• 10192294Jan 13, 2014Engine cooling, Engine. SERVICE INFORMATION Replacement Engine Control Modules (ECMs) for many newer Infiniti vehicles are now "Blank" ECMs. Blank ECMs come without software and must be programmed (not reprogrammed) before they will function. See this bulletin for further detail.
• 10192283Dec 11, 2013Engine cooling, Electrical system. SERVICE INFORMATION 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.
• 10053951Nov 15, 2013Fuel system. Infiniti: the instrument cluster has a warning indicator, that illuminates, of a loose fuel fill cap. Model years 2012 and up. No models listed.
• 10192263Nov 12, 2013Equipment. IF YOU CONFIRM The customer reports that people on the other end of a phone call cannot hear them. Customer report may include: Voice is choppy or cuts-out, voice sounds distant, voice sounds as if speaking through a tunnel, and/or voice sounds like it's under water. ACTION 1. Reprogram (reconfigure) the Multi AV. 2. Replace the microphone and the map lamp finisher. See this bulletin for further detail.
• 10192254Oct 23, 2013Seats, Electrical system. IF YOU CONFIRM: Both seat heaters of the second row seats do not work. AND Fuse # 14 is found open (or "blown"). NOTE: This issue applies to both captain and bench type second row heated seating. ACTION: 1. Repair the right side second row seat: a. Clean off welding spatter on the seat hinge (the cause of harness damage), and then apply protective covering on the seat hinge. b. Repair the damaged seat harness…
• 10054302Sep 26, 2013Tires. Infiniti: service bulletin concerning low tire pressure warning system information.
• 10051787Sep 4, 2013Engine. Infiniti: whine noise from engine area. If the noise does not increase with engine speed, the timing chain system may not be the cause. *js updated 10/29/2013
• 10192235Aug 27, 2013Equipment, Wheels. Infiniti Original Equipment or Genuine Accessory Alloy wheels, along with their finish coating (clear, chrome, titanium, etc.), are specifically developed to achieve Infiniti design and performance standards. These Original Equipment or Genuine Accessory wheels are subjected to testing to ensure they meet Infiniti's standards.
• 10054528Aug 27, 2013Wheels. Infiniti: due to use of aftermarket chroming of alloy wheels, for some vehicles, the standards are no longer are met and are seriously damaged and not guarantee or warranty the modified wheels or performance. Models all. No years listed.
• 10192232Aug 26, 2013Electrical system. SERVICE INFORMATION This TSB is for troubleshooting of CAN Modules with "Diag-On-CAN" Diagnostics. The flow charts below are meant to troubleshoot current CAN DTCs. The flow charts are intended to diagnose one module at a time; repeat the process as needed for additional control units. Please see this bulletin for further details.
• 10192221Jul 25, 2013Fuel system. SERVICE INFORMATION Part order approval from TECH LINE is no longer required when replacing the Audio Visual (A/V) Control Unit on an Applied Vehicle. Previously, TECH LINE would need to be contacted to confirm (or assist with) diagnosis and the proper repair prior to ordering an A/V control unit. This process has been suspended.
• 10192219Jul 23, 2013Steering, Suspension, Brakes. SERVICE INFORMATION - This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. - Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the…
• 10192218Jul 23, 2013Brakes, Wheels, Steering. If YOU CONFIRM: A vehicle needs to have the brake rotors resurfaced (front or rear). ACTION: Use the ProCut PFM Series on-car brake lathe to perform brake rotor resurfacing and follow the tips listed in this bulletin. - The ProCut PFM Series brake lathe has been chosen as the approved tool for rotor resurfacing. - The ProCut PFM Series brake lathe can be ordered from TECH-MATE at 1-800-662-2001. - ProCut technical…
• 10192191Jun 7, 2013Electrical system. As part of an enhanced emissions test for Inspection & Maintenance (I/M), some States may require the System Readiness Test (SRT) status be checked. - The SRT is used to indicate whether the engine control module (ECM) has completed self diagnosis of major emissions systems and components. - In these instances the State may require completion of the SRT before permitting the emissions inspection to proceed. Refer…
• 10192184May 23, 2013Air bags, Lane departure. IF YOU CONFIRM One or more of the following conditions: Front passenger air bag status light is ON (illuminated) with the front passenger seat empty. Front passenger air bag status light is ON (illuminated) with an adult sitting in the front passenger seat. Seat belt warning light is ON (illuminated) with the front passenger seat empty (driver seat belt is buckled). Supplemental air bag warning light is flashing…
• 10052201May 17, 2013Electrical system. Infiniti: on the instrument panel the air bag and seat belt warning lights give off an incorrect indication.
• 10192161Apr 4, 2013Electrical system. SERVICE INFORMATION Improper adjustment or operation of the ASCD brake switch can cause the Automatic Speed Control Device (ASCD) to "not set" and/or DTC P0605 (ECM) to store. See this bulletin for further detail.
• 10051766Apr 4, 2013Vehicle speed control. Infinti: cruise control will not set and dtc p0605 is stored. If a malfunction in the ascd system is detected, the cruise indicator may stay on and the set indicator may flash.
• 10192157Apr 3, 2013Seat belts, Vehicle speed control. SERVICE INFORMATION The "Lock / Unlock request buttons" that are located on the outside door handles of vehicles with Intelligent Key can be disabled (or enabled) through either the "Comfort & Conv." settings of the Audio/Visual/Navigation system, orthrough the "Combination Meter settings" depending on the vehicle model, year and trim level. NOTE: In some instances this feature may be unintentionally disabled…
• 10051765Apr 3, 2013Latches, locks and linkages. Infiniti: lock/unlock request button on outside door handle outside door handle does not respond. Lock/unlock request button located on outside door handles of vehicles can be disabled (or enabled) through either the "comfort & conv" settings of the audio/visual/navigation system or through the "combination meter settings" depending on the vehicle model, year, and trim level.
• 10192149Mar 22, 2013Wheels, Back-over prevention (rear camera), Transmission and drivetrain…. IF YOU CONFIRM: Customers concern of a "clicking" noise coming from either left or right front/rear axles during take-off/acceleration. ACTION: Apply Molykote M77 grease (P/N 44003-7S000) to the hub bearing surfaces. NOTE: * Do not remove the axle from the hub or transmission for this bulletin * Refer to the Electronic Service Manual (ESM) for model specific torque specifications. >Please see Service procedure for…
• 10192146Mar 19, 2013Suspension. SERVICE INFORMATION This bulletin provides information to identify: - A leaking strut or a shock absorber that qualifies for replacement under warranty. - A strut or shock absorber that has slight oil seepage, a condition which is considered normal, does not affect strut/shock absorber operation or performance, and does not require replacement. - A strut or shock absorber that should be replaced due to rod…
• 10192132Feb 26, 2013Visibility (wipers, defrost, mirrors), Steering, Transmission and drivetrain…. IF YOU CONFIRM: The following incidents with The Auto Drive Position System: * Door mirrors do not go back to the original preset memory position after the vehicle is shifted into reverse, and then shifted back into drive. * Return position of mirrors drifts farther and farther from original memory preset as mirror is cycled from the drive to reverse positions (cumulative). * With vehicle in park and engine turned…
• 10192128Feb 21, 2013Suspension. SERVICE INFORMATION When the fluid of an applied vehicle's transfer assembly is being "topped off" or refilled for any reason, use only Genuine NISSAN Transfer Fluid (P/N 999MP-TF0870P). Using transfer fluid other than Genuine NISSAN Transfer Fluid or its equivalent will damage the transfer, which is not covered by the INFINITI new vehicle limited warranty.
• 10192126Feb 15, 2013Body and structure. SERVICE INFORMATION If a CD/DVD Player incident is noted, a possible cause may be improper CD/DVD disc care, condition, or usage. This bulletin provides updated CD/DVD Player operation instructions to avoid potential incidents/customer concerns caused by improper care and usage of CD/DVD discs. To aid in solving customer concerns, use the guidelines in this bulletin when speaking to customers or inspecting incident…
• 10192111Jan 17, 2013Equipment. IF YOU CONFIRM One or more of the following is occurring on an Applied Vehicle: - Audio streaming via Bluetooth is "choppy" or "clipped." - Calculating Route" takes an extended period of time (2-5 minutes) to complete. - Could not find a route" displays when attempting to calculate a route. - Voice Recognition sequence takes too many steps. - Voice Recognition has difficulty recognizing voicetags. - The Navigation…
• 10192103Jan 2, 2013Back-over prevention (rear camera). IF YOU CONFIRM: Any of the following DTCs are stored in the ECM: - P0031 / P0051, P0032 / P0052, P0130 / P0150, P0133 / P0153, P2A00 / P2A03, P1148 / P1168 OR Any of the following DTCs are stored in the ECM as a result of one of the A/F sensors: - P0300 - P0308, P0171 / P0174, P0172 / P0175 ACTION: 1. Replace the A/F sensor that relates to the stored DTC(s) (B1 and/or B2). 2. Refer to step 7 in the SERVICE…

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