2021 Subaru Forester transmission control module — Driver Assist, reverse collision warning (LH dash) price snapshot
- Low
- $50
- Average
- $125
- High
- $335

Year & trim-specific price guide
A used 2021 Subaru Forester transmission control module (Driver Assist, reverse collision warning (LH dash)) costs $50 to $335, with a median asking price of $110. Based on 46 priced salvage yard listings across the US, updated Sep 1, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$335 | 33 | |
| Grade BStandard used | $51–$178 | 13 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $50–$335 overall range
Trim-specific context
This pricing covers the Driver Assist, reverse collision warning (LH dash) variant of the 2021 Subaru Forester transmission control module, based on 46 priced listings. Its $110 median is 0% above the 2021 Subaru Forester transmission control module overall median of $110.
There are 14 other transmission control module variants available for the 2021 Subaru Forester.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Same year, other trims
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Common questions
Based on 46 priced salvage-yard listings, a used 2021 Subaru Forester transmission control module in the Driver Assist, reverse collision warning (LH dash) variant lists between $50 and $335, with a median asking price of $110.
The Driver Assist, reverse collision warning (LH dash) variant appears in model years 2019, 2020, 2021, 2022, 2023, 2024. Prices and availability may differ by year.