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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
16-131-20R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This Service Information Bulletin provides an updated diagnostic flow along with an IMPORTANT caution to follow for certain CVT solenoid related DTCs as listed.
16-132-20R2023-02-06. Service bulletin. POWER TRAIN. 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 used in the models listed.
16-132-20R2022-12-02. 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 used in the models listed.
03-88-222022-09-08. Service bulletin. POWER TRAIN. The bulletin announces the design change made the propeller shaft to address the small number of customer concerns regarding a growling-type sound being heard from under the vehicle when driving.
16-132-20R2022-08-02. Service bulletin. EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. 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 used in the models listed.
16-132-20R2022-03-04. 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.
Subarunet Announ2022-03-04. Service bulletin. POWER TRAIN. WRK-21 CVT Chain Guide Breakage Recall - Customer communications and rental.
03-87-212022-02-04. Service bulletin. POWER TRAIN. This bulletin provides a repair procedure for R152 type rear differentials.
16-132-20R2022-02-04. 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.
16-132-20R2021-08-04. Service bulletin. POWER TRAIN. Diagnostic Information for Alleged Chain Slip Condition on TR580 / TR690 Transmissions.
16-131-20R2021-07-03. Service bulletin. POWER TRAIN. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
16-132-20R2021-03-04. 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.
16-132-20R2021-02-01. 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.
16-132-20R2021-01-05. 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.
16-131-202020-12-05. Service bulletin. POWER TRAIN. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
16-130-202020-09-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM) used in the TR580 and TR690 CVT.

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