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Service bulletin ITB16008

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 id10192745
Published by NHTSA2021-05-10
Manufacturer's numberITB16008
Manufacturer's date2016-02-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

IF YOU CONFIRM The MIL is "ON" with DTC P0603 (ECM BACK UP/CIRCUIT). ACTION 1. Confirm that the battery voltage is 11 volts, or more, with the ignition ON (engine OFF, not running). 2. Erase DTC 3. Perform DTC confirmation steps in the Service Procedure. 4. Confirm 1st trip DTC P0603 is not stored. NOTE: P0603 is often the result of low battery voltage, discharged battery or battery terminal disconnections. Please see this bulletin for furtner details.

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

Electrical system

Trouble codes named

P0603

Vehicles listed
INFINITI Q402015
INFINITI Q502015, 2016
INFINITI Q602015
INFINITI Q702015, 2016
INFINITI QX502015, 2016
INFINITI QX602015, 2016
INFINITI QX702015, 2016
INFINITI QX802015, 2016

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

Recalls for the same vehicles and component
17V4760002017-07-27. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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
ITB12-011R2026-04-29. Service bulletin. 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.
ITB23-023A2025-02-25. 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
ITB17-050C2025-02-10. Service bulletin. MIL ON WITH DTC(S) STORED IN THE ECM This bulletin is no longer active. Please discard previous versions of ITB17-050.
ITB24-017A2025-01-30. Service bulletin. 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.
ITB21-025B2024-07-19. Service bulletin. 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.
ITB13-052E2024-06-28. Service bulletin. 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.
ITB13-006D2024-06-28. Service bulletin. 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.
ITB10-029C2024-06-14. Service bulletin. 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.
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.
ITB23-010E2024-03-08. Service bulletin. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of ITB23-010.