2018 Audi A6 transmission control module — Power Supply, on-board control price snapshot
- Low
- $59
- Average
- $218
- High
- $535
Year & trim-specific price guide
Used 2018 Audi A6 Transmission Control Module — Power Supply, on-board control prices
Trim-specific pricing for the Power Supply, on-board control variant of the 2018 Audi A6 transmission control module, built from 27 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 27, 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 2018 Audi A6 transmission control module (Power Supply, on-board control) costs $59 to $535, with a median asking price of $180. Based on 27 priced salvage yard listings across the US, updated Sep 27, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$180
USD
Condition comparison
Price by part grade
Grade AClean / low wear$59–$53526 listings
Grade XUngraded$293–$2931 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $59–$535 | 26 | |
| Grade XUngraded | $293–$293 | 1 |
Median by grade
Grade price comparison
Grade A$180
Ungraded$293
Median asking price by seller-reported condition grade · $59–$535 overall range
Trim-specific context
How does the Power Supply, on-board control compare?
This pricing covers the Power Supply, on-board control variant of the 2018 Audi A6 transmission control module, based on 27 priced listings. Its $180 median is 78% above the 2018 Audi A6 transmission control module overall median of $101.
There are 17 other transmission control module variants available for the 2018 Audi A6.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same year, other trims
What other 2018 Audi A6 transmission control module variants are available?
Memory, (below LH front seat), (seat memory)
48 listings$111$40 – $177Network Gateway, (trunk mounted)
48 listings$155$50 – $340Parking Brake, (parking brake)
48 listings$101$40 – $250Driver Assist, rear camera
47 listings$75$45 – $250Air Bag, (under center console)
46 listings$106$64 – $260Driver Assist, blind spot alert, (lane departure warning), (trunk mounted), master
46 listings$188$59 – $340Driver Assist, blind spot alert, (lane departure warning), (trunk mounted), slave
46 listings$174$52 – $335Cruise Control, (adaptive cruise, opt 8T4), (below front seat)
45 listings$220$68 – $335Driver Assist, garage door opener
44 listings$80$35 – $250Driver Assist, park assist (trunk mounted)
43 listings$117$48 – $350Power Supply, voltage stabilization module
41 listings$81$40 – $297Cooling Fan, (radiator shroud)
38 listings$61$40 – $201Door, rear
38 listings$75$50 – $271Body Control (BCM), (central electronic control)
36 listings$73$61 – $201Driver Assist, night vision
32 listings$230$51 – $673Door, front, driver
22 listings$91$29 – $271Door, front, passenger
19 listings$86$50 – $271Back to full guide
2018 Audi A6 transmission control module — all trims
Common questions
2018 Audi A6 transmission control module (Power Supply, on-board control) FAQ
How much is a used 2018 Audi A6 transmission control module (Power Supply, on-board control)?
Based on 27 priced salvage-yard listings, a used 2018 Audi A6 transmission control module in the Power Supply, on-board control variant lists between $59 and $535, with a median asking price of $180.
Which years use the Power Supply, on-board control transmission control module?
In our current dataset, the Power Supply, on-board control variant appears only for the 2018 model year.