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Service bulletin ITB21-027

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 id10206346
Published by NHTSA2022-01-08
Manufacturer's numberITB21-027
Manufacturer's date2021-12-08
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

MIL ON WITH DTC P11A7 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and DTC P11A7 (VCR STOPPER POSITION) is stored in the ECM. HINT: There may also be a lack of power concern (fail-safe). ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable.

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, Engine control module

Trouble codes named

P11A7

Vehicles listed
INFINITI QX502020

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
ITB21-027A2022-03-12. Service bulletin. MIL ON WITH DTC P11A7 STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.