2021 Audi A4 transmission control module price snapshot
- Low
- $23
- Average
- $162
- High
- $524
Year-specific price guide
Used 2021 Audi A4 Transmission Control Module prices
Year-specific used transmission control module pricing for the 2021 Audi A4, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 26, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2021 Audi A4 transmission control module
A used 2021 Audi A4 transmission control module costs between $23 and $524, with a median of $151 from 247 salvage yard listings.
What the transmission control module does, common failure signs, and prices across all vehicles: used transmission control module price guide →
Also known asTCMTransmission ComputerTransmission ModuleTCU
Price summary
A used 2021 Audi A4 transmission control module costs $23 to $524, with a median asking price of $151. Based on 247 priced salvage yard listings across the US, compatible across 2017–2024 (8 model years), updated Sep 26, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$153
Grade B (good)$156
USD
Condition comparison
Price by part grade
Grade AClean / low wear$23–$524189 listings
Grade BStandard used$39–$39651 listings
Grade XUngraded$100–$1507 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $23–$524 | 189 | |
| Grade BStandard used | $39–$396 | 51 | |
| Grade XUngraded | $100–$150 | 7 |
Median by grade
Grade price comparison
Grade A$153
Grade B$156
Ungraded$120
Median asking price by seller-reported condition grade · $23–$524 overall range
Replacement cost
What is the 2021 Audi A4 transmission control module replacement cost?
- Used part
- $151
- 2021 Audi A4 median asking price
- Labor
- $95–$300
- 1–2 hours at $95–$150/hr
- Estimated total
- $245–$450
- median used part + labor
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
Price by trim & variant
Year-specific context
How does the 2021 Audi A4 compare?
The 2021 guide is based on 273 observed listings, including 247 with posted prices. Its $151 median is 23% above the Audi A4 guide's $123 median.
Among the 9 model years with current price data, 2021 ranks #6 from lowest to highest median.
Interchange data shows this part is also listed under model years 2017, 2018, 2019, 2020, 2022, 2023, 2024. Shopping across all 8 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Audi A4 transmission control module cost in other years?
2024380 listingsCompatible$176$30 – $4322023497 listingsCompatible$160$22 – $4122022515 listingsCompatible$153$22 – $5672020475 listingsCompatible$136$22 – $6442019659 listingsCompatible$137$28 – $6102018566 listingsCompatible$120$28 – $5242016646 listings$75$25 – $43320151,192 listings$85$25 – $433
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What other Audi A4 parts are priced?
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31
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Price data updating
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Tailgate
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48
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Price data updating
49spread ±50%
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Common questions
2021 Audi A4 transmission control module FAQ
How much is a used 2021 Audi A4 transmission control module?
Based on 247 priced salvage-yard listings, a used 2021 Audi A4 transmission control module lists between $23 and $524, with a median asking price of $151.
How much does it cost to replace a 2021 Audi A4 transmission control module?
Using a used part, a 2021 Audi A4 transmission control module replacement typically runs $245–$450 all-in: the median used transmission control module for this year lists at $151, 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.
Will a 2021 Audi A4 transmission control module fit another year?
Based on salvage-yard interchange data, listings for the 2021 Audi A4 transmission control module also appear under model years 2017, 2018, 2019, 2020, 2022, 2023, 2024, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2021 Audi A4 tcm?
A tcm is another name for a transmission control module. The prices on this page cover the 2021 Audi A4 transmission control module — median $151, from 247 listings.