2021 Toyota Sienna transmission control module — Theft-Locking, (center dash), immobilizer price snapshot
- Low
- $50
- Average
- $138
- High
- $225

Year & trim-specific price guide
A used 2021 Toyota Sienna transmission control module (Theft-Locking, (center dash), immobilizer) costs $50 to $225, with a median asking price of $165. Based on 47 priced salvage yard listings across the US, updated Aug 24, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$225 | 28 | |
| Grade BStandard used | $65–$203 | 17 | |
| Grade CVisible wear | $80–$80 | 1 | |
| Grade XUngraded | $100–$100 | 1 |
Median by grade
Median asking price by seller-reported condition grade · $50–$225 overall range
Trim-specific context
This pricing covers the Theft-Locking, (center dash), immobilizer variant of the 2021 Toyota Sienna transmission control module, based on 47 priced listings. Its $165 median is 4% above the 2021 Toyota Sienna transmission control module overall median of $159.
There are 26 other transmission control module variants available for the 2021 Toyota Sienna.
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 47 priced salvage-yard listings, a used 2021 Toyota Sienna transmission control module in the Theft-Locking, (center dash), immobilizer variant lists between $50 and $225, with a median asking price of $165.
The Theft-Locking, (center dash), immobilizer variant appears in model years 2018, 2019, 2020, 2021. Prices and availability may differ by year.