Service bulletins for the 2018 Subaru Legacy
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.
445 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| Subarunet Announ | 2022-03-04. Service bulletin. POWER TRAIN. WRK-21 CVT Chain Guide Breakage Recall - Customer communications and rental. |
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| 03-87-21 | 2022-02-04. Service bulletin. POWER TRAIN. This bulletin provides a repair procedure for R152 type rear differentials. |
| 16-132-20R | 2022-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions. |
| 16-112-18R | 2021-12-03. Service bulletin. POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. |
| 16-112-18R | 2021-11-02. Service bulletin. PARKING BRAKE; POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. |
| Subarunet Announ | 2021-11-02. Service bulletin. PARKING BRAKE; EQUIPMENT; POWER TRAIN. (Subaru Retailers) As part of Subaru’s dedication to customer satisfaction, Subaru of America, Inc. (SOA) is announcing an extension to the Basic New Car Limited Warranty for the CVT Parking Switch for certain 2015-2018 MY Legacy, Outback, 2012-2018 MY Impreza, 2013-2018 MY Crosstrek, 2015-2018 MY WRX and 2014-2018MY Forester vehicles. |
| Subarunet Announ | 2021-11-02. Service bulletin. EQUIPMENT; POWER TRAIN; PARKING BRAKE. (Owner Letter) As part of Subaru of America’s dedication to customer satisfaction, this letter is to inform you of an extension to the Basic New Car Limited Warranty for your vehicle’s CVT Parking Brake Switch. |
| 16-103-16R | 2021-11-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. |
| 16-132-20R | 2021-08-04. Service bulletin. POWER TRAIN. Diagnostic Information for Alleged Chain Slip Condition on TR580 / TR690 Transmissions. |
| 16-131-20R | 2021-07-03. Service bulletin. POWER TRAIN. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs. |
| 15-280-21R | 2021-05-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Vehicles equipped with manual transmission and push-button start will follow DCM replacement procedure as outlined in TSB 15-279-21: Gen1 Telematics DCM Replacement for 3G Sunset which is applicable to manual transmission vehicles with push-button start ONLY. |
| 16-132-20R | 2021-03-04. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions. |
| 16-132-20R | 2021-02-01. Service bulletin. POWER TRAIN. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged chain slip condition on the TR580 and TR690 model CVT transmissions. |
| 16-132-20R | 2021-01-05. Service bulletin. POWER TRAIN; EQUIPMENT. This Service Information Bulletin provides updated diagnostic procedures to follow when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions. |
| 16-103-16R | 2021-01-05. Service bulletin. POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. |
| 16-131-20 | 2020-12-05. Service bulletin. POWER TRAIN. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs. |
| 03-85-20R | 2020-12-05. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin announces the availability of new propeller shaft assemblies. |
| 16-103-16R | 2019-10-01. Service bulletin. POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover and replacement of the input shaft oil seal with the new, redesigned type. |
| 16-103-16R | 2019-09-05. Service bulletin. POWER TRAIN. "This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover and replacement of the input shaft oil seal with the new, redesigned type" |
| 16-124-19 | 2019-09-05. Service bulletin. POWER TRAIN. This Service Information Bulletin announces a design change to the CVT torque converter assembly made to address a small number of reports describing a squeaking -type sound heard while the engine is being cranked over. The sound results from contact between the starter pinion gear and the converter ring gear. Both the number and length of the welds securing the ring gear to the converter shell have been increased significantly. |
| 16-111-18R | 2019-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. This bulletin announces reprogramming file availability to optimize the Transmission Control Module (TCM) used with the TR580 CVT. Contamination in a fluid pressure solenoid valve can cause a DTC P0841. The new logic will allow the solenoid to operate in a manner enabling it to discharge the contamination. |
| 16-117-18 | 2018-12-10. Service bulletin. POWER TRAIN. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first). This change is not in response to any specific condition, rather it is to provide customers with added assurance regarding the function and overall performance of their CVT. |
| 16-117-18 | 2018-12-10. Service bulletin. POWER TRAIN. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first). This change is not in response to any specific condition, rather it is to provide customers with added assurance regarding the function and overall performance of their CVT. |
| 16-111-18R | 2018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. CVT Transmissions only. This bulletin announces reprogramming file availability to optimize the Transmission Control Module (TCM) used with the TR580 CVT. Contamination in a fluid pressure solenoid valve can cause a DTC P0841. The new logic will allow the solenoid to operate in a manner enabling it to discharge the contamination. |
| 16-111-18R | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. CVT Transmissions only. This bulletin announces reprogramming file availability to optimize the Transmission Control Module (TCM) used with the TR580 CVT. Contamination in a fluid pressure solenoid valve can cause a DTC P0841. The new logic will allow the solenoid to operate in a manner enabling it to discharge the contamination. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.