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Service bulletin SB-11-031

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 id10041670
Published by NHTSA2011-10-25
Manufacturer's numberSB-11-031
Manufacturer's date2011-10-15
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

ACURA: AFTER VEHICLE PARKED FOR A TIME, A/C BLOWS WARM AIR OR BATTERY DIES OUT OR BOTH. *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, Equipment and accessories, Heating and air conditioning, 12-volt battery

Vehicles listed
ACURA MDX2007, 2008, 2009, 2010, 2011

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
SB-08-0572021-07-06. Service bulletin. HandsFreeLink (HFL) Doesn?t Work, or Battery Is Too Low to Start the Engine: The HandsFreeLink (HFL) system doesn?t work, and/or the battery sometimes won?t start the vehicle.
B-08-0572021-04-30. Service bulletin. SYMPTOM The HandsFreeLink (HFL) system doesn’t work, and/or the battery sometimes won’t start the vehicle. PROBABLE CAUSE The HFL control unit has an internal problem, which creates a parasitic current draw of 250 mA CORRECTIVE ACTION Do the REPAIR PROCEDURE, which includes a diagnosis, and if necessary, replace the HFL control unit.
B08-0572017-05-17. Service bulletin. SERVICE BULLETIN - HANDSFREELINK (HFL) DOESN’T WORK, OR BATTERY IS TOO LOW TO START THE ENGINE
PU-2010-112014-09-23. Service bulletin. ACURA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A MESSAGE, BEING SENT BY BATTERY SENSOR SYSTEM, SHOWS BATTERY IS IN LOW STATE OF CHARGE AND NEW ENHANCED SOFTWARE IS TO IMPROVE THE ACCURACY OF MESSAGE SENDING. MODEL 2010-2011 MDX. *PE