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Service bulletin ITB14051A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10192611
Published by NHTSA2021-05-10
Manufacturer's numberITB14051A
Manufacturer's date2015-07-29
NHTSA componentPOWER TRAIN; FORWARD COLLISION AVOIDANCE

NHTSA's summary

IF YOU CONFIRM All of the following: The FCW (Forward Collision Warning) malfunction is ON or reported to have been ON, and DTC C1A27 (ECD POWER SUPPLY CIRCUIT) is stored (Past or Current), and the brake fluid level is normal. NOTE: C1A27 is an ICC (Intelligent Cruise Control) DTC. ACTION Reprogram the ABS control unit (ABS) per the Service Procedure in this bulletin. - Part of the Service Procedure, step 20 on page 8, is a confirmation that reprogramming is needed to resolve the incident shown in Figure A and B on page 1. See this bulletin for further detail.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Transmission and driveline

Trouble codes named

C1A27

Vehicles listed
INFINITI JX2013
INFINITI Q502014, 2015
INFINITI QX602014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20243622024-06-21. Powertrain
24V4700002024-06-21. POWER TRAIN:DRIVELINE:DRIVESHAFT
20216132021-10-05. Powertrain
20144162014-09-24. Powertrain
20144152014-09-23. Powertrain
20144142014-09-23. Powertrain
14V5820002014-09-22. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
ITB23-023A2025-02-25. Service bulletin. AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60 Hybrid (L50H) 2015-2024 QX80 (Z62) SERVICE INFORMATION The AEB system is designed to turn itself OFF during driving conditions (e.g., rain, snow, fog, etc.) that obstruct its sensors. This behavior is normal, and no repairs should be performed. When the AEB system performs an intentional shutdown, the customer may state the following: • The ICC stopped working while driving, • The AEB/FEB warning light is ON, or turned ON, while driving (Figure 1), • The message “Unavailable Front Radar Obstruction” or “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner's Manual” has displayed while driving (Figure 2). AND • DTC C1A16, C1A16-97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1 Figure 2 Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual
ITB19-013E2024-06-07. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB21-023B2024-01-09. Service bulletin. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB17-001E2024-01-09. Service bulletin. FLUID LEAK CAUSED BY TRANSFER ASSEMBLY RIGHT SIDE DRIVE SHAFT OIL SEAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-055D2023-05-24. Service bulletin. CVT/TCM CALIBRATION DATA “WRITE” PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-013D2023-04-04. Service bulletin. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-008D2023-04-04. Service bulletin. 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.
ITB12-072I2022-12-06. Service bulletin. ABNORMAL NOISE, VIBRATION AND/OR BINDING FEELING FROM REAR DIFFERENTIAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-008C2022-10-07. Service bulletin. 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.
ITB15-011C2022-08-26. Service bulletin. ENHANCED DIAGNOSTIC LOGIC FOR CVT JUDDER This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.