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Service bulletins for the 2012 Subaru Forester

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.

388 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
WUF-91-0412192019-05-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION. New Subaru Safety Recall: WUF-91 Replacement Ignition Switch Recall Subaru of America, Inc. (Subaru) is recalling certain vehicles in the ranges listed below to inspect and potentially replace the ignition switch. A total of 511 U.S. vehicles will be affected by this recall.
07-131-18R2018-07-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides a measurement and adjustment procedure for the stop lamp switch. An improperly adjusted (or faulty) stop lamp switch can cause any of the DTCs listed to set and result in the related system?s (e. g. VDC and/or EyeSight) warning lamp to illuminate.
TSG-12018-06-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Tech Support SD Card for Navi Complete
02-132-12R2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This Bulletin provides a procedure for diagnosis and determination of necessary part replacement in the event any of the ?AVCS Slow Response? or ?AVCS System Failure? DTCs listed above are found to be stored in the ECM memory. A possible cause of these conditions is contamination within the camshaft sprocket and / or oil control solenoid valve (OCV) mechanism.
06-61-182018-04-16. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces availability of new VDC Control Module & Hydraulic Units (VDCCM&H/U) to address isolated customer concerns of the green Hill Holder light blinking and cancel warning alarm sounding during cranking / starting the engine
07-131-182018-03-13. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:BRAKE LIGHTS. This bulletin provides a measurement and adjustment procedure for the stop lamp switch. An improperly adjusted (or faulty) stop lamp switch can cause any of the DTCs listed above to set and result in the related system?s (e. g. VDC and/or EyeSight) warning lamp to illuminate.
15-193-16R2017-10-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). All 2012 to 2015 Models Equipped with Fujitsu Ten (F10) Generation 1 (Gen1) Audio / Navigation Systems. This bulletin announces a new procedure for updating the operating software used in F10 Gen1 audio / navigation systems. This new procedure eliminates the need to exchange the head unit / SD card to obtain software-related updates and operating enhancements.
15-202-162017-10-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM. This bulletin provides a procedure for removal of the accessory Turbo Boost Gauge and restoration of the vehicle to pre-installation (OEM) condition. Due to circumstances beyond the control of Subaru of America, Inc. (SOA), the accessory Turbo Boost Gauge, p.n. H501SFG500 is no longer available. In the interest of customer satisfaction, SOA will address customer concerns involving a failure of the gauge by returning the vehicle to it?s OEM configuration.
15-193-162017-10-27. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. This bulletin announces a new procedure for updating the operating software used in F10 Gen1 audio / navigation systems. This new procedure eliminates the need to exchange the head unit / SD card to obtain software-related updates and operating enhancements. All 2012 to 2015 Models Equipped with FujitsuTen (F10) Generation 1 (Gen1) Audio / Navigation Systems
06-47-142017-03-02. Service bulletin. ELECTRICAL SYSTEM:WIRING; STEERING. REVISION TO TROUBLESHOOTING INFORMATION FOR VDC DTC C0071
11-100-11R2017-03-01. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. DIFFICULTY STARTING, ROUGH IDLE DTCS P0301, P0302, P0303, P0304 P0340, P0341, P0345, P0346
15-165-132017-02-17. Service bulletin. ELECTRICAL SYSTEM. THIS BULLETIN ANNOUNCES THE AVAILABILITY OF REPROGRAMMING FILES TO ADDRESS CUSTOMER CONCERNS OF THE BLUETOOTH AUDIO STREAMING FEATURE OPERATING WITHOUT BEING SELECTED. THIS CAUSES THE SOURCE’S (SMARTPHONE, IPOD®, IPHONE®, MP3 PLAYER) BATTERY TO DRAIN UNEXPECTEDLY. THE UPDATE WILL INITIATE AN “OFF” SIGNAL TO THE MEDIA DEVICE SHOULD BLUETOOTH AUDIO STREAMING BEGIN WITHOUT A REQUEST FROM THE VEHICLE’S AUDIO UNIT. THE REPROGRAMMING FILES ARE ACCESSIBLE VIA: SUBARUNET > SERVICE > CLARION DOWNLOADS AND WILL NEED TO BE DOWNLOADED ONTO A DEDICATED NEW OR COMPLETELY EMPTY AND FORMATTED USB STORAGE DEVICE (FLASH DRIVE) FOR INSTALLATION INTO THE AUDIO UNIT THROUGH THE AUDIO SYSTEM’S USB PORT. IMPORTANT: READ THROUGH AND UNDERSTAND THIS SERVICE PROCEDURE COMPLETELY BEFORE PROCEEDING ANY FURTHER AS DAMAGE TO THE AUDIO UNIT MAY RESULT IF PROPER PRECAUTIONS OUTLINED BELOW ARE NOT FOLLOWED.
11-153-15R2017-02-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. THIS BULLETIN ANNOUNCES AVAILABILITY OF REPROGRAMMING FILES TO ADDRESS CUSTOMER CONCERNS OF EXTENDED CRANKING TIME BEFORE THE ENGINE STARTS.
02-132-12R2016-11-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. DIAGNOSIS AND REPAIR FOR AVCS-RELATED DTCS P000A, P000B, P000C, P000D, P0011, P0014, P0021 AND P0024
02-132-12R2016-11-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS BULLETIN PROVIDES A PROCEDURE FOR DIAGNOSIS AND DETERMINATION OF NECESSARY PART REPLACEMENT IN THE EVENT ANY OF THE “AVCS SLOW RESPONSE” OR “AVCS SYSTEM FAILURE” DTCS LISTED ABOVE ARE FOUND TO BE STORED IN THE ECM MEMORY. A POSSIBLE CAUSE OF THESE CONDITIONS IS CONTAMINATION WITHIN THE CAMSHAFT SPROCKET AND / OR OIL CONTROL SOLENOID VALVE (OCV) MECHANISM.
WQE-41A2016-10-29. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. WE WOULD LIKE TO REMIND DEALERS THAT FOR THIS CAMPAIGN THE REPAIR PART NUMBER IS H001SSC300, WHICH IS A FUSED MINI HARNESS. THERE ARE TWO REQUIRED PER VEHICLE. THERE ARE OTHER COMPONENTS LISTED IN THE CAMPAIGN BULLETIN FOR CONVENIENCE BUT, THE LIKELIHOOD OF THESE PARTS BEING NEEDED IS SMALL. THEREFORE, DUE TO THE LIMITED AVAILABILITY OF THESE PARTS WE ARE ASKING DEALERS TO PLEASE ONLY ORDER PARTS AS NEEDED FOR VEHICLES THAT REQUIRE THESE COMPONENTS. DEALERS SHOULD NOT BE STOCKING THESE ITEMS. IF YOU SHOULD HAVE ANY QUESTIONS, PLEASE CONTACT THE PARTS INFORMATION COORDINATORS
SB-07-96-152016-06-17. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
03-72-142016-05-23. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. HILL START ASSIST (HSA) WARNING LIGHT, DTC C0076 - THIS BULLETIN PROVIDES INFORMATION TO ADDRESS A CUSTOMER CONCERN OF INTERMITTENT OPERATION OF THE HILL START ASSIST WARNING LAMP.
SB-11-135-132014-01-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ENGINE. SUBARU: ECM IS AVAILABLE FOR REPROGRAMMING FILES TO ADDRESS FALSE CEL/MIL ILLUMINATION AND THE DIAGNOSTIC TROUBLE CODE (DTC) P050A RESULTED FROM SPECIFIC CLUTCH OPERATIONS AND/OR DRIVING PATTERNS AFTER STARTING ENGINE. MODEL 2011-2013 LEGACY, FORESTER, IMPREZA. *PE
WQC-392012-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. SUBARU: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOFTWARE CHANGE WILL NOT AFFECT FUEL ECONOMY OR PERFORMANCE, EVEN THOUGH A CORRECTION, FOR ENGINE CONTROL MODULE, HAS BEEN DEVELOPED FOR THE DEFICIENCY IN OBDII SYSTEM THERMOSTAT MONITORING LOGIC. MODELS 2011-2012 LEGACY, OUTBACK, IMPREZA SEDAN, WAGON, FORESTER, TRIBECA AND 2013 BRZ. *PE UPDATED 1/31/13. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.