# Service bulletin ITB18\-021

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: 10141448
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: ITB18\-021
- Manufacturer's date: 2018\-05\-30
- NHTSA component: STEERING; ELECTRICAL SYSTEM

## NHTSA's summary

DAST CALIBRATION \(MODE1\) INCOMPLETE OR C13E9\-00/C13EB\-00 UNABLE TO ERASE This bulletin applies only to vehicles equipped with Direct Adaptive Steering \(DAST\). SERVICE INFORMATION This bulletin has information for two services for which a technician may need additional help: \- While performing DAST CALIBRATION \(MODE1\), the calibration may stop or will not start. \- DTC C13E9\-00 \(BOOTING ANGLE PROCESSING\) and C13EB\-00 \(BOOTING ANGLE PROCESSING\) are stored and cannot be erased. The above conditions may indicate that DAST CALIBRATION \(MODE1\) was not performed correctly or was not completed correctly. Use the SERVICE PROCEDURE in this bulletin as an aid to correctly perform and complete DAST CALIBRATION MODE 1. NOTE: \- The SERVICE PROCEDURE in this bulletin does not contain all of the required steps. \- The Electronic Service Manual \(ESM\) must be used together with this bulletin. \- This bulletin contains additional clarification as an aid to perform DAST CALIBRATION MODE 1.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141448-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141448-0001.pdf)

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

## Components

Electrical system, Steering

## Trouble codes named

C13E9, C13EB

## Vehicles listed

- 2014 to 2018 INFINITI Q50
- 2014 to 2017 INFINITI Q50 HYBRID
- 2017 to 2018 INFINITI Q60
- 2019 INFINITI QX50

## Recalls for the same vehicles and component

- [17V476000](/recalls/nhtsa/17V476000.md), 2017-07-27: ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [16V430000](/recalls/nhtsa/16V430000.md), 2016-06-13: STEERING:AUTOMATED/ADAPTIVE STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM
- [2016296](/recalls/tc/2016296.md), 2016-06-10: Steering
- [14V138000](/recalls/nhtsa/14V138000.md), 2014-03-25: AIR BAGS:FRONTAL; ELECTRICAL SYSTEM:SOFTWARE
- [13V588000](/recalls/nhtsa/13V588000.md), 2013-11-20: STEERING:AUTOMATED/ADAPTIVE STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM
- [2013410](/recalls/tc/2013410.md), 2013-11-19: Steering

## Other bulletins for the same vehicles and component

- [ITB22\-025D](/bulletins/11036441.md), 2026-08-28, Service bulletin: ELECTRICAL SYSTEM. ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING IF YOU CONFIRM A roaring noise from the engine cooling fan assembly \(engine fan on high not cycling\) is present, and the Air Conditioning \(A/C\) is not cooling. ACTION 1. Check the hardware part number for the IPDM E/R. 2. Replace the IPDM E/R with the part number listed in the PARTS INFORMATION, if applicable. 3. Reconfigure the IPDM E/R, if applicable. IMPORTANT: The purpose of ACTION \(above\) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
- [ITB12\-011R](/bulletins/11031701.md), 2026-04-29, Service bulletin: ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION See ITB19\-029 for models built after those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called a Telematics Communication Unit \(TCU\). With an active Infiniti Connection® or Infiniti InTouch Services™, the TCU communicates with the Infiniti Data Center to provide various security and convenience services. This bulletin contains important service procedures that must be performed properly in order to set\-up and maintain the telematics system for the Applied Vehicles. Ø A table has been provided on the next page that lists the model and year specific steps required to successfully configure a TCU after it has been replaced. Ø A check OFF sheet has been provided on page 21 to print and check off steps as they are performed. Please staple the completed Check OFF Sheet to the repair order.
- [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
- [ITB17\-050C](/bulletins/11014067.md), 2025-02-10, Service bulletin: ENGINE; ELECTRICAL SYSTEM. MIL ON WITH DTC\(S\) STORED IN THE ECM This bulletin is no longer active. Please discard previous versions of ITB17\-050.
- [ITB24\-017A](/bulletins/11013263.md), 2025-01-30, Service bulletin: ENGINE; ELECTRICAL SYSTEM. ENGINE ROOM SUB\-HARNESS IF YOU CONFIRM DTC P06DA\-00 for “ENGINE OIL PRESSURE CONTROL” is stored as current \(active\) with CONSULT\-III plus \(C\-III plus\). ACTION Replace the engine room sub\-harness. Refer to the SERVICE PROCEDURE in this bulletin. IMPORTANT: The purpose of ACTION \(above\) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
- [ITB21\-025B](/bulletins/11004956.md), 2024-07-19, Service bulletin: ELECTRICAL SYSTEM. DTC C1A17\-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [ITB17\-060C](/bulletins/11004954.md), 2024-07-19, Service bulletin: ELECTRICAL SYSTEM. INTELLIGENT KEY INITIALIZATION PROCEDURE STOPS OR WILL NOT CONTINUE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
- [ITB13\-052E](/bulletins/11002539.md), 2024-06-28, Service bulletin: ELECTRICAL SYSTEM. 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.
- [ITB13\-006D](/bulletins/11002537.md), 2024-06-28, Service bulletin: ELECTRICAL SYSTEM. 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.
- [ITB10\-029C](/bulletins/11001653.md), 2024-06-14, Service bulletin: ELECTRICAL SYSTEM. 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.

JSON: [/v1/bulletins/10141448](/v1/bulletins/10141448)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20ITB18-021&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10141448&vehicle=Service%20bulletin%20ITB18-021)