Service bulletins for the 2012 Subaru Impreza
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.
522 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Engine are shown. Show all
| 02-157-14R | 2017-10-27. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Refer to bulletin for engine/transmission type. As part of our dedication to customer satisfaction, Subaru of America, Inc. is initiating a program to extend the original New Car Powertrain Limited Warranty coverage for excessive engine oil consumption on applicable vehicles to 8 years / 100,000 miles from the original warranty start date. This Warranty Extension will not cover any excessive engine oil consumption found to be a result of any condition(s) other than those specifically described in this bulletin. This condition must be verified during an inspection and when determined necessary, an oil consumption test performed by an authorized Subaru retailer. SOA will inform vehicle owners this condition may exist via a customer letter. For vehicles within the coverage guidelines listed in this bulletin, customers can schedule an inspection appointment with an authorized Subaru retailer. IMPORTANT: ALWAYS perform a Vehicle Coverage Inquiry on Subarunet to determine eligibility for this Warranty Extension before proceeding. The VIN should also be checked for any open campaigns or recalls at this time. |
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| 02-157-14R | 2017-10-27. Service bulletin. ENGINE. 2013-14MY Legacy and Outback Models with 2.5L FB Engines - 2011-14MY Forester Models with 2.5L FB Engines - 2015 MY Forester (Manual Transmissions Only) with 2.5L FB Engines - 2012-13 MY Impreza and XV Crosstrek Models with 2.0 FB Engines - 2014-15 MY Impreza and XV Crosstrek Models (Manual Transmissions Only) with 2.0 FB Engines. As part of our dedication to customer satisfaction, Subaru of America, Inc. is initiating a program to extend the original New Car Powertrain Limited Warranty coverage for excessive engine oil consumption on applicable vehicles to 8 years / 100,000 miles from the original warranty start date. This Warranty Extension will not cover any excessive engine oil consumption found to be a result of any condition(s) other than those specifically described in this bulletin. This condition must be verified during an inspection and when determined necessary, an oil consumption test performed by an authorized Subaru retailer. SOA will inform vehicle owners this condition may exist via a customer letter. For vehicles within the coverage guidelines listed in this bulletin, customers can schedule an inspection appointment with an authorized Subaru retailer. |
| 02-157-14R | 2017-10-27. Service bulletin. ENGINE AND ENGINE COOLING. Revised Service Bulletin: Surface Treatment Change To Oil Control Piston Rings This bulletin announces information regarding a major change to the repair procedures previously outlined in Service Bulletins 02-143-13R, 02-144-13R and 02-145-13R. |
| 02-168-17 | 2017-09-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE. This Service Information bulletin announces a material change to the engine accessory drive / v-belt made to address customer concerns of a slipping belt (squeal or chirping) sound. |
| 02-164-16 | 2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. This Service Information bulletin announces a design change to the internal contact portion of the oil pressure switch to increase durability |
| 02-157-14R | 2017-03-08. Service bulletin. EQUIPMENT; ENGINE. THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. VEHICLES CONFIRMED AS HAVING THIS CONDITION WHICH ARE WITHIN THE SUPPLIED VIN RANGES WILL NO LONGER BE REPAIRED WITH PISTON RING REPLACEMENT. THE REVISED REPAIR PROCEDURE TO ADDRESS VERIFIED UNUSUAL OIL CONSUMPTION CONCERNS ON THESE SPECIFIC VEHICLES WILL CONSIST OF REPLACING THE ENGINE SHORT BLOCK ASSEMBLY. |
| 02-157-14R | 2017-03-07. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SURFACE TREATMENT CHANGE TO OIL CONTROL PISTON RINGS |
| 11-150-14 | 2017-03-07. Service bulletin. ENGINE; EQUIPMENT. REPROGRAMMING FILE AVAILABILITY FOR OIL LEVEL DETECTION |
| 11-125-12 | 2017-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. DTCS P0365, P0366, P0390 AND P0391 MISFIRE DTCS P0301, P0302, P0303 AND P0304 |
| 02-157-14R | 2017-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. VEHICLES CONFIRMED AS HAVING THIS CONDITION WHICH ARE WITHIN THE SUPPLIED VIN RANGES WILL NO LONGER BE REPAIRED WITH PISTON RING REPLACEMENT. THE REVISED REPAIR PROCEDURE TO ADDRESS VERIFIED UNUSUAL OIL CONSUMPTION CONCERNS ON THESE SPECIFIC VEHICLES WILL CONSIST OF REPLACING THE ENGINE SHORT BLOCK ASSEMBLY. |
| 02-157-14R | 2017-03-06. Service bulletin. ENGINE. THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. VEHICLES CONFIRMED AS HAVING THIS CONDITION WHICH ARE WITHIN THE SUPPLIED VIN RANGES WILL NO LONGER BE REPAIRED WITH PISTON RING REPLACEMENT. THE REVISED REPAIR PROCEDURE TO ADDRESS VERIFIED UNUSUAL OIL CONSUMPTION CONCERNS ON THESE SPECIFIC VEHICLES WILL CONSIST OF REPLACING THE ENGINE SHORT BLOCK ASSEMBLY. |
| 11-135-13 | 2017-03-03. Service bulletin. ENGINE. THIS BULLETIN ANNOUNCES THE AVAILABILITY OF ECM REPROGRAMMING FILES TO ADDRESS A FALSE CEL/MIL ILLUMINATION AND SETTING OF DTC P050A. THIS DTC CAN RESULT FROM SPECIFIC CLUTCH OPERATION (ON MT MODELS) AND / OR DRIVING PATTERNS OCCURRING IMMEDIATELY AFTER STARTING THE ENGINE. |
| 11-124-12R | 2017-03-01. Service bulletin. ENGINE. DIFFICULTY STARTING, ROUGH IDLE, CAM POSITION OR MISFIRE DTCS P0301, P0302, P0303 OR P0304 DTCS P0340, P0341, P0345 OR P0346 |
| 02-146-13 | 2017-03-01. Service bulletin. ENGINE. "THIS BULLETIN ANNOUNCES THE AVAILABILITY OF REVISED VALVE TRAIN COMPONENTS DEVELOPED TO REDUCE A TAPPING SOUND WHICH MAY BE HEARD COMING FROM THE LEFT-HAND (B2) SIDE OF THE ENGINE WHEN THE ENGINE IS WARM. THIS BULLETIN DOES NOT ADDRESS ANY COLD ENGINE OR START-UP SOUNDS. THE CHANGES CONSIST OF: • DESIGN CHANGE TO THE VALVE ROCKERS • CAMSHAFT PROFILE CHANGE • INCREASED INTAKE VALVE STEM LENGTH (1.65MM LONGER INTAKE, 2.4MM LONGER EXHAUST) IN ADDITION, THE INSULATOR PAD HAS BEEN ELIMINATED FROM THE B2 INTAKE MANIFOLD PROTECTOR." |
| 02-130-12R | 2017-02-28. Service bulletin. ENGINE. THE PURPOSE OF THIS BULLETIN IS TO PROVIDE PROCEDURES FOR THE DIAGNOSIS AND REPAIR OF OIL SEEPAGE WHICH MAY BE COMING FROM THE TIMING CHAIN COVER, FRONT CAMSHAFT CAP, CAMSHAFT CARRIER AND / OR UPPER OIL PAN. |
| 02-157-14R | 2017-02-27. Service bulletin. ENGINE. "THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. VEHICLES CONFIRMED AS HAVING THIS CONDITION WHICH ARE WITHIN THE SUPPLIED VIN RANGES WILL NO LONGER BE REPAIRED WITH PISTON RING REPLACEMENT. THE REVISED REPAIR PROCEDURE TO ADDRESS VERIFIED UNUSUAL OIL CONSUMPTION CONCERNS ON THESE SPECIFIC VEHICLES WILL CONSIST OF REPLACING THE ENGINE SHORT BLOCK ASSEMBLY." |
| 11-150-14R | 2017-02-27. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. "NOTE: THE INFORMATION IN THIS BULLETIN WAS ORIGINALLY PART OF TSB 11-149-14 BUT HAS BEEN SEPARATED OUT INTO THIS PUBLICATION TO SIMPLIFY APPLICABILITY AND THE CORRESPONDING SERVICE PROCEDURE. THIS BULLETIN ANNOUNCES THE AVAILABILITY OF REPROGRAMMING FILES TO OPTIMIZE THE ECM LOGIC FOR ENGINE OIL LEVEL DETECTION IN THE EVENT OF FALSE OR PREMATURE LOW ENGINE OIL LEVEL WARNING LAMP ILLUMINATION. SHOULD A CUSTOMER PRESENT A CONCERN WITH A LOW ENGINE OIL WARNING LAMP ILLUMINATION AND THE DIAGNOSIS INDICATE THE OIL LEVEL IS FULL OR NEARLY FULL (OIL LEVEL BETWEEN THE FULL AND ADD MARKS/HOLES ON THE DIPSTICK) AND THE CUSTOMER HAS NOT ADDED ANY ENGINE OIL, THE ECM MUST BE UPDATED WITH THIS NEW LOGIC. NOTE: ON 5MT MODELS ONLY, THE OIL LEVEL SWITCH MUST ALSO BE REPLACED. IF THE CUSTOMER HAS ADDED OIL, DETERMINE HOW MUCH WAS ADDED. BASED UPON THE INFORMATION PROVIDED, ESTIMATE WHERE THE OIL LEVEL WAS WHEN THE LAMP ILLUMINATED IN ORDER TO DETERMINE IF ANY ADDITIONAL ACTION IS REQUIRED BEYOND WHAT IS DESCRIBED IN THIS BULLETIN (E.G AN OIL CONSUMPTION TEST). REMINDER: ALWAYS CONFIRM ANY LOW OIL LEVEL LAMP FALSE ILLUMINATION IS NOT A RESULT OF A POOR ELECTRICAL CONNECTION OR GROUNDING CONCERN. INSPECT THE CIRCUIT FOLLOWING THE DIAGNOSIS FOUND IN THE APPLICABLE SERVICE MANUAL TO ENSURE NO OTHER RELATED CONCERN EXISTS." |
| 02-162-15 | 2017-02-27. Service bulletin. ENGINE. "THIS SERVICE INFORMATION BULLETIN ANNOUNCES A DESIGN CHANGE TO THE OIL PRESSURE SWITCH ASSEMBLY. NICKEL PLATING HAS BEEN APPLIED TO THE INTERNAL SWITCH CONTACTS TO ENHANCE THEIR DURABILITY AND REDUCE THE POSSIBILITY OF POOR CONTACT WHICH COULD AFFECT OPERATION OR CAUSE IMPROPER ILLUMINATION OF THE OIL PRESSURE WARNING LAMP. A SMALL PILOT PORTION WAS ADDED TO THE THREADED AREA ON P.N. 25240KA051 AS SHOWN IN THE ILLUSTRATION BELOW." |
| 02-157-14R | 2017-02-16. Service bulletin. ENGINE. "THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. VEHICLES CONFIRMED AS HAVING THIS CONDITION WHICH ARE WITHIN THE SUPPLIED VIN RANGES WILL NO LONGER BE REPAIRED WITH PISTON RING REPLACEMENT. THE REVISED REPAIR PROCEDURE TO ADDRESS VERIFIED UNUSUAL OIL CONSUMPTION CONCERNS ON THESE SPECIFIC VEHICLES WILL CONSIST OF REPLACING THE ENGINE SHORT BLOCK ASSEMBLY." |
| 11-150-14R | 2017-02-07. Service bulletin. ENGINE. THE INFORMATION IN THIS BULLETIN WAS ORIGINALLY PART OF TSB 11-149-14 BUT HAS BEEN SEPARATED OUT INTO THIS PUBLICATION TO SIMPLIFY APPLICABILITY AND THE CORRESPONDING SERVICE PROCEDURE. THIS BULLETIN ANNOUNCES THE AVAILABILITY OF REPROGRAMMING FILES AND A REVISED OIL LEVEL SWITCH TO OPTIMIZE THE ECM LOGIC FOR ENGINE OIL LEVEL DETECTION IN THE EVENT OF FALSE OR PREMATURE LOW ENGINE OIL LEVEL WARNING LAMP ILLUMINATION. REVISED TO INCREASE ENGINE OIL QUANTITIES. |
| 02-157-14R | 2017-02-07. Service bulletin. ENGINE. THIS BULLETIN ANNOUNCES INFORMATION REGARDING A MAJOR CHANGE TO THE REPAIR PROCEDURES PREVIOUSLY OUTLINED IN SERVICE BULLETINS 02-143-13R, 02-144-13R AND 02-145-13R. THESE BULLETINS PROVIDED A REPAIR PROCEDURE FOR THE REPLACEMENT OF THE PISTON RINGS TO ADDRESS VERIFIED CONCERNS OF UNUSUAL ENGINE OIL CONSUMPTION. THE PURPOSE OF REVISING THIS BULLETIN IS TO CORRECT THE TRANSMISSION TYPE. |
| 11-156-15 | 2017-02-03. Service bulletin. ENGINE. THIS BULLETIN ANNOUNCES AVAILABILITY OF REPROGRAMMING FILES FOR OPTIMIZING THE ECM TO ADDRESS CUSTOMER CONCERNS OF EXTENDED ENGINE CRANKING TIME BEFORE THE ENGINE STARTS. |
| 11-130-13R | 2017-02-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. THIS BULLETIN PROVIDES INSPECTION AND REPAIR PROCEDURES FOR INTAKE AND EXHAUST CAMSHAFT POSITION-RELATED AND/OR ENGINE MISFIRE DTCS FOR THE FA AND FB ENGINE-EQUIPPED MODELS LISTED ABOVE. THE CAMSHAFT POSITION SENSOR (CPS) CLEARANCE MAY BE OUT OF SPECIFICATION CAUSING THESE CONDITION(S) AND ONE OR MORE OF THE DTCS LISTED ABOVE TO SET. IN ADDITION TO A CHECK ENGINE LIGHT COMING ON, THERE MAY OR MAY NOT BE CUSTOMER CONCERNS OF ROUGH IDLE, EXTENDED CRANKING OR NO START. |
| 02-145-13R | 2017-02-03. Service bulletin. ENGINE. SURFACE TREATMENT CHANGE TO OIL CONTROL PISTON RINGS - THE CHANGE WAS MADE AS A RESULT OF SOME LIMITED FINDINGS OF UNANTICIPATED WEAR OF THESE RINGS. |
| 11-130-13R | 2017-01-31. Service bulletin. ENGINE. "DIFFICULTY STARTING, ROUGH IDLE, CAM POSITION OR MISFIRE DTCS P0340, P0341, P0345, P0346, P0365, P0366, P0390, P0391, P0301, P0302, P0303 OR P0304 - THIS BULLETIN PROVIDES INSPECTION AND REPAIR PROCEDURES FOR INTAKE AND EXHAUST CAMSHAFT POSITION-RELATED AND/OR ENGINE MISFIRE DTCS FOR THE FA AND FB ENGINE-EQUIPPED MODELS LISTED ABOVE." |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.