2021 Tesla Model 3 transmission control module price snapshot
- Low
- $30
- Average
- $214
- High
- $1,000

Year-specific price guide
A used 2021 Tesla Model 3 transmission control module costs $30 to $1,000, with a median asking price of $160. Based on 30 priced salvage yard listings across the US, updated Sep 5, 2026. Prices exclude shipping, core charges, and installation.
Condition comparison
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $75–$1,000 | 14 | |
| Grade BStandard used | $80–$80 | 2 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $30–$535 | 14 |
Median by grade
Median asking price by seller-reported condition grade · $30–$1,000 overall range
Replacement cost
Labor is a typical independent-shop range for transmission control module replacement, not a quote for your vehicle; it does not include programming and adaptive relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full transmission control module replacement cost breakdown
Fitment matters
Year-specific context
The 2021 guide is based on 72 observed listings, including 30 with posted prices. Its $160 median is 7% below the Tesla Model 3 guide's $172 median.
Among the 8 model years with current price data, 2021 ranks #3 from lowest to highest median.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
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Common questions
Based on 30 priced salvage-yard listings, a used 2021 Tesla Model 3 transmission control module lists between $30 and $1,000, with a median asking price of $160.
Using a used part, a 2021 Tesla Model 3 transmission control module replacement typically runs $255–$460 all-in: the median used transmission control module for this year lists at $160, and independent-shop labor for transmission control module replacement typically takes 1–2 hours at $95–$150/hr ($95–$300). The labor figure does not include programming and adaptive relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
This price guide does not confirm interchangeability. Check the seller's part number, drivetrain, trim or variant, and your VIN before buying; parts from the same model can use different fitments in the same year.
A tcm is another name for a transmission control module. The prices on this page cover the 2021 Tesla Model 3 transmission control module — median $160, from 30 listings.