2012 Honda Accord Technical Service Bulletins

50 technical service bulletins (TSBs) are on record for the 2012 Honda Accord. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10237953Jun 13, 2023Electrical system, Equipment. Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.
• 10206992Jan 25, 2022Electrical system, Equipment. ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a result, once specific triggers are met, the navigation date and time will be incorrect.
• 10175300May 12, 2020Equipment. Dealer Message - The May episode of Tech2Tech is now posted. We've got some valuable information for you, so check it out! This month we're featuring "Replacing That Leaky Front Rocker Arm Oil Control Valve."
• 10172570Mar 10, 2020Air bags. Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement front passenger's airbag inflator only.
• 10172366Mar 5, 2020Engine cooling. Service Bulletin - The front rocker arm oil control valve is leaking.
• 10163784Aug 13, 2019Air bags. Warranty Extension: Customer Support Program For Front Passenger's Airbag Inflator for 2010-12 Accord and Other Listed Years and Models (Expires September 30, 2028)
• 10165333Jul 11, 2019Suspension. This SKU is a Front Upper Ball Joint. The customer communication requested return of unsold inventory to inspect for the outer diameter of the ball joint housing being too small. The outer diameter being too small would prevent the part from being installed, and would therefore have no impact on the end user besides time to complete installation.
• 10159786May 10, 2019Air bags. Service Bulletin - American Honda is conducting an inspection of certain vehicles that have previously had the passenger's airbag inflator replaced as part of the Takata Passsenger's Airbag Inflator recall. If you completed the repair described by this service bulletin on or before May 10, 2019, make sure to use the Warranty Claim Information provided below.
• 10152750Jan 18, 2019Air bags. Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement front passenger's airbag inflator only.
• 10152430Dec 20, 2018Engine, Equipment. "Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected…
• 10145895Oct 13, 2018Air bags. Service bulletin - American Honda is conducting an inspection of certain vehicles that have previously had the passenger's airbag inflator replaced as part of the Takata Passsenger's Airbag Inflator recall.
• 10144037Aug 9, 2018Equipment. Dealer message - Today, American Honda is notifying dealers of a voluntary noncompliance recall for a small number of Honda vehicles due to an error on the replacement (service part) underhood emissions labels. American Honda previously notified CARB and the EPA for this action.
• 10144032Aug 9, 2018Engine cooling. Service bulletin - Emission certification labels that were replaced on a small number of vehicles may have been replaced with a label listing incorrect information. The affected emission labels are replacement service parts, and were not installed at the factory; they were installed during postmanufacturing repairs that required replacement of the underlying part. This will cause the vehicle to be non-compliant…
• 10142434Jun 13, 2018Transmission and drivetrain, Equipment, Engine cooling, Electrical system. Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected…
• 10141173Jun 8, 2018Air bags. Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement front passengers airbag inflator only.
• 10141170Jun 7, 2018Air bags. Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement front passengers airbag inflator only.
• 10136433May 4, 2018Electrical system, Engine cooling. Service bulletin - The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.
• 10128887Feb 3, 2018Engine cooling, Electrical system. Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected…
• 10108045Feb 25, 2017Engine, Equipment. Service bulletin - at cold start-up, the engine rattles loudly for about 2 seconds. The variable valve timing control (vtc) actuator is defective.
• 10100421Nov 22, 2016Equipment. Service bulletin - navigation system information.
• 10083951May 17, 2016Engine. Service bulletin - the piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. Spark plug fouling may reuslt in rough engine idle and/or engine misfire.
• 10204264Mar 17, 2016Engine cooling. Engine Rattles at Cold Start-Up Supersedes 09-010, dated March 3, 2015 to revise the information highlighted in yellow.
• 10087883Mar 17, 2016Engine. Service bulletin - replace the vtc actuator if the engine rattles loudly for 2 seconds during cold start-up.
• 10087866Mar 14, 2016Engine. Service bulletin - replace the vtc actuator if the engine rattles loudly for 2 seconds during cold start-up.
• 10100042Dec 10, 2015Engine. "techline summary article - editor’s note: this article replaces the one posted in september 2015 to extend that article’s shelf life. The issues covered are still being addressed. Do you have a vehicle that makes an engine rattle for 1 to 2 seconds when started after a cold overnight soak below 32° f? This rattle is most likely related to the vtc actuator."
• 10100175Nov 19, 2015Engine. Service news article - does the engine rattle at cold startup for 1 to 2 seconds when it’s cold outside? Chances are the vtc actuator is the culprit. Keep in mind simply replacing the vtc actuator using current parts stock won’t fix this rattle if it’s only heard under these conditions.
• 10098946Sep 16, 2015Engine. "service bulletin - the mil comes on with one of these dtcs: • p2646/p2651 (rocker arm oil pressure switch circuit low voltage). • p2647/p2652 (rocker arm oil pressure switch circuit high voltage). Note: the symptom may be intermittent and you may not be able to duplicate it after clearing the dtc. The rocker arm oil pressure switch may fail intermittently."
• 10099306Sep 5, 2015Engine, Electrical system. "service bulletin - american honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, soto et al.v. American honda motor co., inc., case no. 3:12-cv-1377-si (n.d. Cal.). The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set dtcs p0301 no. 1 cylinder misfire detected, p0302 no. 2 cylinder misfire detected…
• 10099101Sep 5, 2015Engine. Service bulletin - warranty extension: mil comes on with dtcs p0301 thru p0304 - the piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set dtcs p0301 no. 1 cylinder misfire detected, p0302 no. 2 cylinder misfire detected, p0303 no. 3 cylinder misfire detected, p0304 no. 4 cylinder misfire detected, and cause the mil to come on.
• 10108226Jun 2, 2015Engine. The rear cylinder head cover gasket leaks oil.
• 10108791Mar 3, 2015Engine cooling. Service bulletin - Engine rattles at cold start-up.
• 10115219Dec 17, 2014Tires. Service bulletin - For any TPMS-related warranty repairs, all recorded DTCs must now be entered into the warranty claim. Make sure your repair order includes those DTCs.
• 10124256Sep 24, 2014Engine. Service bulletin - At cold start-up, the engine rattles loudly for about 2 seconds. The variable valve timing control (VTC) actuator is defective.
• 10056875Sep 24, 2014Engine cooling. Honda: there is a loud rattling noise coming from engine which last for 2 seconds when temperature is cold.
• 10128569Jul 24, 2014Engine cooling, Electrical system. Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 through P0304 and cause the MIL to come on.
• 10128560Jul 22, 2014Body and structure, Equipment. Service bulletin - The passenger?s side carpet pulls out from underneath the door sill trim when you step into the car. The edge of the carpet is not firmly attached to the body.
• 10129528Feb 26, 2014Engine cooling, Electrical system. Service bulletin - The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 through P0304 and cause the MIL to come on.
• 10129552Feb 18, 2014Fuel system. Service bulletin - The MIL comes on and DTC P0455 (EVAP system large leak) and/or DTC P0456 (EVAP system very small leak detected) is set. The fuel fill cap (gas cap) may also be loose or have a stick-slip feeling when tightened. The fuel fill cap gasket creates too much friction, preventing the cap from sealing properly.
• 10053785Oct 9, 2013Engine, Transmission and drivetrain. Honda: a powertrain warranty extension resulting from settlement, covering repairs of engine misfire, regarding piston rings on certain cylinders that rotate and align, can lead to spark plugs fouling, on some vehicles. Model 2008-2012 accord.
• 10053762Oct 8, 2013Engine. Honda: vehicles with multimodel vcm2 would experience misfire due to engine misfire of a fouled plug and a warranty extension has been issued to cover repairs. Model 2008-2013 accord v6, crosstour v6, odyssey, pilot.
• 10053750Sep 27, 2013Transmission and drivetrain. Honda: information provided regarding an investigation, on some vehicles, into the automatic transmission fluid (atf) leakage from driveshaft seals. Model 2011-2012 accord.
• 10086863Sep 17, 2013Suspension. Service bulletin - a clunk is heard in the front suspension while driving over irregular surfaces and in hot weather. The noise goes away temporarily when the vehicle is lifted in the air (the suspension is allowed to hang) and then returned to the ground. Replace both of the front lower ball joints with updated service parts made to address this specific symptom.
• 10086701Sep 12, 2013Transmission and drivetrain. "dealer message - american honda (ahm) is investigating certain 2011-2012 accord l4s with a complaint of an atf (automatic transmission fluid) leak from the driveshaft seals. To fully understand the cause of this occurrence, ahm would like to collect specific part from the vehicle prior to you attempting a repair of any kind."
• 10054068Sep 12, 2013Transmission and drivetrain. Honda: an investigation on some vehicles, with automatic transmission fluid (atf), that are experiencing a leakage from the driveshaft seals. Model 2011-2012 accord.
• 10052884Jul 16, 2013Engine. Honda: dtc p2646/p2651 or p2647/2652 may be set. The rocker arm oil pressure switch may need to be replaced. Also included model civic si model year 2002-2005.
• 10051920Jun 4, 2013Suspension. Honda: clunk noise in the front suspension during hot weather. This clunk noise is mostly heard while driving on irregular surfaces. *kb updated 8/5/13.
• 10052477May 1, 2013Wheels, Tires, Equipment, Brakes, Engine. Honda: the engine shuts off, power on, but in accessory; never use conventional wheel & tire assemblies on pax vehicles; mil on after throttle body cleaning or replacement; s/m fix brake system bleeding, dialogue for dvd surround sound from front speakers only. Various models and model years.
• 10041669Oct 6, 2012Engine, Engine cooling. Honda: engine has a loud rattling noise at a cold start up. *pe updated 11/5/12.
• 10043973Feb 28, 2012Transmission and drivetrain. Honda: see document search button for owner letter. Product update: damaged right inboard driveshaft boot.
• 10043248Jan 12, 2012Electrical system. Honda: on some model vehicles, there is an alternator/starter tester (ast) module capable of testing alternators, installed on gr8 diagnostic battery station.

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