2021 Toyota Sienna transmission control module — Multiplex Network, LH dash, ID 89220-08D40 price snapshot
- Low
- $65
- Average
- $177
- High
- $355

Year & trim-specific price guide
A used 2021 Toyota Sienna transmission control module (Multiplex Network, LH dash, ID 89220-08D40) costs $65 to $355, with a median asking price of $175. Based on 43 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 | $80–$355 | 25 | |
| Grade BStandard used | $65–$248 | 16 | |
| Grade CVisible wear | $75–$100 | 2 | |
| Grade XUngraded | Updating | — |
Median by grade
Median asking price by seller-reported condition grade · $65–$355 overall range
Trim-specific context
This pricing covers the Multiplex Network, LH dash, ID 89220-08D40 variant of the 2021 Toyota Sienna transmission control module, based on 43 priced listings. Its $175 median is 10% 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 43 priced salvage-yard listings, a used 2021 Toyota Sienna transmission control module in the Multiplex Network, LH dash, ID 89220-08D40 variant lists between $65 and $355, with a median asking price of $175.
The Multiplex Network, LH dash, ID 89220-08D40 variant appears in model years 2021, 2022, 2023, 2024. Prices and availability may differ by year.