Service bulletin ITB19-004

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)
Type	Service bulletin
NHTSA id	10155155
Published by NHTSA	2019-03-25
Manufacturer's number	ITB19-004
Manufacturer's date	2019-02-27
NHTSA component	ENGINE

NHTSA's summary

2019 Q70 WITH 6-CYL ENGINE; LACK OF POWER AFTER STARTING DURING A COLD SOAK IF YOU CONFIRM After the vehicle has sat for at least six hours, there is a lack of power on acceleration just after starting. And There are no engine control related DTCs. ACTION 1. Compare the vehicle?s ECM part number to the ones listed in Table A. 2. If there is a match, reprogram the ECM.

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

Engine

Vehicles listed
INFINITI Q70	2019

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

Other bulletins for the same vehicles and component
ITB17-042E	2022-03-12. Service bulletin. DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-044J	2022-03-12. Service bulletin. EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB16-008C	2021-05-07. Service bulletin. MIL ON WITH P0603 STORED FOR ECM BACK UP CIRCUIT This bulletin has been amended. See AMENDMENT HISTORY on page 3. Please discard previous versions of this bulletin.
ITB17-042D	2021-04-13. Service bulletin. INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB17-056a	2021-02-06. Service bulletin. INTELLIGENT KEY BATTERY DISCHARGED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
P0A06 2019 Q70 a	2020-04-09. Service bulletin. Engine Control Module (ECM) Reprogram Voluntary Service Campaign *** Campaign Summary * INFINITI is conducting a Voluntary Service Campaign to reprogram the engine control module (ECM) with countermeasure software in certain INFINITI 2019 model year Q70 and QX80 vehicles. The current software installed may allow the Variable Valve Timing (VVT) solenoid valve diagnosis to continue to draw current when the engine is off. This condition may result in a reduction of the battery life. * What Retailers Should Do *** 1. Verify if vehicles are affected by this Voluntary Service Campaign using Service Comm or DBS National Service History – Open Campaign I.D. P0A06 • - New vehicles in retailer inventory can also be identified through the attached VIN list or by using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). • - Refer to IPSB 15-286 for additional information • - Please continue to check newly arriving inventory for campaign applicability. 2. Retailers are requested to repair any affected vehicles in retailer new or pre-owned inventory to ensure client satisfaction. 3. Retailers should use ITB20-013 to correct any vehicles subject to this campaign. 4. Once repaired, retailers should submit the claim, using the claims coding provided, and release the vehicle.
ITB20-013	2020-04-08. Service bulletin. VOLUNTARY SERVICE CAMPAIGN 2019 Q70 AND 2019 QX80; ENGINE CONTROL MODULE INTRODUCTION Infiniti is conducting this voluntary service campaign on certain specific model year 2019 Q70 and 2019 QX80 vehicles. The Engine Control Module (ECM) will be inspected, and reprogrammed if it applies. This service will be performed at no charge to the customer for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number P0A06 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign. RETAILER RESPONSIBILITY Retailers are to repair vehicles falling within range of this campaign that enter the service department. This includes vehicles purchased from private parties, vehicles presented by transient (tourists) owners, and vehicles in a retailer’s inventory.
ITB17-042b	2019-02-19. Service bulletin. INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
ITB13-044g	2019-02-19. Service bulletin. ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.