2021 Subaru Ascent transmission control module — Driver Assist, (LH quarter panel) price snapshot
- Low
- $55
- Average
- $151
- High
- $326
Year & trim-specific price guide
Used 2021 Subaru Ascent Transmission Control Module — Driver Assist, (LH quarter panel) prices
Trim-specific pricing for the Driver Assist, (LH quarter panel) variant of the 2021 Subaru Ascent transmission control module, built from 46 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 21, 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 Subaru Ascent transmission control module (Driver Assist, (LH quarter panel)) costs $55 to $326, with a median asking price of $152. Based on 46 priced salvage yard listings across the US, updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$149
Grade B (good)$156
USD
Condition comparison
Price by part grade
Grade AClean / low wear$55–$32629 listings
Grade BStandard used$60–$21517 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $55–$326 | 29 | |
| Grade BStandard used | $60–$215 | 17 |
Median by grade
Grade price comparison
Grade A$149
Grade B$156
Median asking price by seller-reported condition grade · $55–$326 overall range
Trim-specific context
How does the Driver Assist, (LH quarter panel) compare?
This pricing covers the Driver Assist, (LH quarter panel) variant of the 2021 Subaru Ascent transmission control module, based on 46 priced listings. Its $152 median is 22% above the 2021 Subaru Ascent transmission control module overall median of $125.
There are 13 other transmission control module variants available for the 2021 Subaru Ascent.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Driver Assist, (LH quarter panel) in other model years
Same year, other trims
What other 2021 Subaru Ascent transmission control module variants are available?
Communication, (telematics, behind radio), w/o navigation
50 listings$179$45 – $280Dash Integrated Control, (unit backup)
50 listings$137$30 – $243Air Bag, (console front)
49 listings$105$61 – $264Temperature, (HVAC control), seat heating control
49 listings$104$50 – $237Transmission, (top of transmission), ID 30919AH14E
49 listings$182$71 – $280Communication, (telematics, behind radio), navigation
48 listings$135$50 – $242Theft-Locking, keyless access control unit, ID 88035XC01A
47 listings$126$45 – $275Theft-Locking, immobilizer, ID 83126FL00A
46 listings$85$55 – $384Door, (power liftgate control unit, LH quarter)
44 listings$111$50 – $282Transmission, (top of transmission), ID 30919AH13E
36 listings$71$61 – $375Theft-Locking, immobilizer, ID 83133AL01A
29 listings$110$55 – $320Temperature, (HVAC control), w/o seat heating control
26 listings$75$50 – $190Theft-Locking, keyless access control unit, ID 88035XC11A
17 listings$150$25 – $282Back to full guide
2021 Subaru Ascent transmission control module — all trims
Common questions
2021 Subaru Ascent transmission control module (Driver Assist, (LH quarter panel)) FAQ
How much is a used 2021 Subaru Ascent transmission control module (Driver Assist, (LH quarter panel))?
Based on 46 priced salvage-yard listings, a used 2021 Subaru Ascent transmission control module in the Driver Assist, (LH quarter panel) variant lists between $55 and $326, with a median asking price of $152.
Which years use the Driver Assist, (LH quarter panel) transmission control module?
The Driver Assist, (LH quarter panel) variant appears in model years 2019, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.