2021 Audi A4 transmission control module — Door, driver price snapshot
- Low
- $31
- Average
- $115
- High
- $232
Year & trim-specific price guide
Used 2021 Audi A4 Transmission Control Module — Door, driver prices
Trim-specific pricing for the Door, driver variant of the 2021 Audi A4 transmission control module, built from 28 real salvage yard listings with condition grade 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.
Price summary
A used 2021 Audi A4 transmission control module (Door, driver) costs $31 to $232, with a median asking price of $148. Based on 28 priced salvage yard listings across the US, updated Sep 26, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$153
Grade B (good)$101
USD
Condition comparison
Price by part grade
Grade AClean / low wear$31–$23224 listings
Grade BStandard used$65–$1013 listings
Grade XUngraded$120–$1201 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $31–$232 | 24 | |
| Grade BStandard used | $65–$101 | 3 | |
| Grade XUngraded | $120–$120 | 1 |
Median by grade
Grade price comparison
Grade A$153
Grade B$101
Ungraded$120
Median asking price by seller-reported condition grade · $31–$232 overall range
Trim-specific context
How does the Door, driver compare?
This pricing covers the Door, driver variant of the 2021 Audi A4 transmission control module, based on 28 priced listings. Its $148 median is 2% below the 2021 Audi A4 transmission control module overall median of $151.
There are 11 other transmission control module variants available for the 2021 Audi A4.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Door, driver in other model years
Same year, other trims
What other 2021 Audi A4 transmission control module variants are available?
Fuel Pump, (tank mounted)
35 listings$81$32 – $271Driver Assist, rear view camera (LH trunk)
34 listings$275$80 – $414Body Control (BCM), (trunk mounted)
33 listings$141$23 – $250Air Bag, (under center console)
32 listings$188$75 – $333Door, passenger
29 listings$143$34 – $196Suspension, (floor mounted)
13 listings$171$110 – $524Door, rear door
10 listings$71$34 – $120Network Gateway, (floor mounted)
10 listings$238$129 – $368Seat, (driver seat mounted)
10 listings$179$157 – $200Driver Assist, garage door opener, (center dash)
8 listings$123$99 – $140Door, tailgate
5 listings$106$95 – $121Back to full guide
2021 Audi A4 transmission control module — all trims
Common questions
2021 Audi A4 transmission control module (Door, driver) FAQ
How much is a used 2021 Audi A4 transmission control module (Door, driver)?
Based on 28 priced salvage-yard listings, a used 2021 Audi A4 transmission control module in the Door, driver variant lists between $31 and $232, with a median asking price of $148.
Which years use the Door, driver transmission control module?
The Door, driver variant appears in model years 2020, 2021, 2022, 2023. Prices and availability may differ by year.