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Service bulletin ITB-11-047

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 id10041569
Published by NHTSA2011-10-05
Manufacturer's numberITB-11-047
Manufacturer's date2012-10-16
ReplacesITB-11-047-B
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BLUETOOTH HANDS-FREE SOUND MAY NOT WORK AS INTENDED, ON THE MICROPHONE SYSTEM. *PE MODELS 2011-2012 M37/56 & 2012 M35H HYBRID. UPDATED 9/24/12. *PE UPDATED 1/18/13. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
INFINITI M2011 to 2012
INFINITI M35 HYBRID2012 (the catalog's model; the bulletin names a series or trim of it)
INFINITI M37 HYBRID2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
INFINITI M56 HYBRID2011, 2012 (the catalog's model; the bulletin names a series or trim of it)

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
ITB17-0152017-08-01. Service bulletin. NAVIGATION SYSTEM REBOOTS WHEN SXM TRAFFIC IS ENABLED IF YOU CONFIRM The Navigation system in an Applied Vehicle reboots when SXM Traffic is enabled. NOTE: Perform the steps in this bulletin ONLY if the above condition occurs while the vehicle is in the state of Oregon. ACTION Update the Navigation system software using the DVD shown on page 2.
ITB-12-0582012-09-25. Service bulletin. INFINITI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, LITHIUM-ION BATTERY CONTROLLER (LBC) INDICATES HIGH VOLTAGE HYBRID BATTERY DETERIORATION, WHEN NONE IS PRESENT. THE BATTERY WILL BE REPROGRAM TO IMPROVE LBCS ACCURACY FOR MONITORING OF DETERIORATION. MODELS 2012 M35H HYBRID. *PE
ITB-11-049-B2012-07-12. Service bulletin. INFINITI: REPROGRAMMING ELECTRONIC CONTROL UNIT (ECU) ON ALL QUALIFYING VEHICLES. NO MODELS LISTED. MODEL YEARS 1998-2013. *PE