# 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.

- Type: Service bulletin
- NHTSA id: 10192611
- Published by NHTSA: 2021\-05\-10
- Manufacturer's number: ITB14051A
- Manufacturer's date: 2015\-07\-29
- NHTSA component: POWER 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10192611-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10192611-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Transmission and driveline

## Trouble codes named

C1A27

## Vehicles listed

- 2013 INFINITI JX
- 2014 to 2015 INFINITI Q50
- 2014 INFINITI QX60

## Recalls for the same vehicles and component

- [2024362](/recalls/tc/2024362.md), 2024-06-21: Powertrain
- [24V470000](/recalls/nhtsa/24V470000.md), 2024-06-21: POWER TRAIN:DRIVELINE:DRIVESHAFT
- [2021613](/recalls/tc/2021613.md), 2021-10-05: Powertrain
- [2014416](/recalls/tc/2014416.md), 2014-09-24: Powertrain
- [2014415](/recalls/tc/2014415.md), 2014-09-23: Powertrain
- [2014414](/recalls/tc/2014414.md), 2014-09-23: Powertrain
- [14V582000](/recalls/nhtsa/14V582000.md), 2014-09-22: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [ITB23\-023A](/bulletins/11014469.md), 2025-02-25, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; ELECTRICAL SYSTEM. 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\-013E](/bulletins/11001187.md), 2024-06-07, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; ELECTRICAL SYSTEM. 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\-023B](/bulletins/10248648.md), 2024-01-09, Service bulletin: POWER TRAIN. 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\-001E](/bulletins/10248647.md), 2024-01-09, Service bulletin: POWER TRAIN. 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\-055D](/bulletins/10236630.md), 2023-05-24, Service bulletin: POWER TRAIN. 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\-013D](/bulletins/10233648.md), 2023-04-04, Service bulletin: FORWARD COLLISION AVOIDANCE. 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\-008D](/bulletins/10233614.md), 2023-04-04, Service bulletin: POWER TRAIN:AXLE HUBS. 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\-072I](/bulletins/10227248.md), 2022-12-06, Service bulletin: POWER TRAIN. 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\-008C](/bulletins/10222705.md), 2022-10-07, Service bulletin: POWER TRAIN. 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\-011C](/bulletins/10218738.md), 2022-08-26, Service bulletin: POWER TRAIN. 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.

JSON: [/v1/bulletins/10192611](/v1/bulletins/10192611)

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