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Service bulletin AER12040B

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 id10043934
Published by NHTSA2012-05-02
Manufacturer's numberAER12040B
Manufacturer's date2012-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

AMERICAN HONDA: SEE DOCUEMENT SEARCH BUTTON FOR OWNER LETTER. HEAD COVER GASKET LEAKS. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT PERTINENT INFORMATION AND/OR INSPECT THE VEHICLE PRIOR TO ATTEMPTING REPAIR OF ANY KIND. *JS

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

Engine

Vehicles listed
HONDA CR-V2011

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
SB09010 ver42021-12-13. Service bulletin. Engine Rattles at Cold Start-Up Supersedes 09-010, dated March 3, 2015 to revise the information highlighted in yellow.
DOR-M9J4S-072020-07-27. Service bulletin. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DOR-M3J3F-072020-07-27. Service bulletin. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
A12-0892019-04-21. Service bulletin. Service Bulletin - American Honda is extending the warranty coverage on the Piston Rings and Pistons for 2010-11 CR-V 2WD and 4WD to 8 years from the original date of purchase or 125,000 miles, whichever comes first.
A12-0892019-01-05. Service bulletin. "Service bulletin - American Honda is extending the warranty coverage on the Piston Rings and Pistons for 2010-11 CR-V 2WD and 4WD to 8 years from the original date of purchase or 125,000 miles, whichever comes first. The warranty extension does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded, or similar tittle under any state's law."
Service Bulletin2017-12-05. Service bulletin. Service bulletin - At cold start-up, the engine rattles loudly for about 2 seconds. The variable valve timing control (VTC) actuator is defective.
Service Bulletin2017-07-31. Service bulletin. Service bulletin - Engine rattles at cold start-up.
A12-0892017-06-30. Service bulletin. SERVICE BULLETIN - AMERICAN HONDA IS EXTENDING THE WARRANTY COVERAGE ON THE PISTON RINGS AND PISTONS FOR 2010–11 CR-V 2WD AND 4WD TO 8 YEARS FROM THE ORIGINAL DATE OF PURCHASE OR 125,000 MILES, WHICHEVER COMES FIRST.
A12-0892017-06-29. Service bulletin. SERVICE BULLETIN - AMERICAN HONDA IS EXTENDING THE WARRANTY COVERAGE ON THE PISTON RINGS AND PISTONS FOR 2010–11 CR-V 2WD AND 4WD TO 8 YEARS FROM THE ORIGINAL DATE OF PURCHASE OR 125,000 MILES, WHICHEVER COMES FIRST.
WE - A12-0892017-05-25. Service bulletin. SERVICE BULLETIN - AMERICAN HONDA IS EXTENDING THE WARRANTY COVERAGE ON THE PISTON RINGS AND PISTONS FOR 2010–11 CR-V 2WD AND 4WD TO 8 YEARS FROM THE ORIGINAL DATE OF PURCHASE OR 125,000 MILES, WHICHEVER COMES FIRST.