2018 GMC Acadia transmission control module — Suspension, (under left rear seat) price snapshot
- Low
- $50
- Average
- $146
- High
- $560
Year & trim-specific price guide
Used 2018 GMC Acadia Transmission Control Module — Suspension, (under left rear seat) prices
Trim-specific pricing for the Suspension, (under left rear seat) variant of the 2018 GMC Acadia transmission control module, built from 49 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 16, 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 GMC Acadia transmission control module (Suspension, (under left rear seat)) costs $50 to $560, with a median asking price of $111. Based on 49 priced salvage yard listings across the US, updated Sep 16, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$106
Grade B (good)$147
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$16531 listings
Grade BStandard used$82–$56017 listings
Grade XUngraded$100–$1001 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$165 | 31 | |
| Grade BStandard used | $82–$560 | 17 | |
| Grade XUngraded | $100–$100 | 1 |
Median by grade
Grade price comparison
Grade A$106
Grade B$147
Ungraded$100
Median asking price by seller-reported condition grade · $50–$560 overall range
Trim-specific context
How does the Suspension, (under left rear seat) compare?
This pricing covers the Suspension, (under left rear seat) variant of the 2018 GMC Acadia transmission control module, based on 49 priced listings. Its $111 median is 25% above the 2018 GMC Acadia transmission control module overall median of $89.
There are 26 other transmission control module variants available for the 2018 GMC Acadia.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Suspension, (under left rear seat) in other model years
Same year, other trims
What other 2018 GMC Acadia transmission control module variants are available?
Body Control (BCM), active noise control, (below steering column), ID 84415720
50 listings$109$61 – $316Body Control (BCM), main module, (center console), ID 13594646
50 listings$120$25 – $331Communication, (LH dash)
50 listings$51$41 – $75Body Control (BCM), main module, (center console), ID 13519672
49 listings$51$41 – $331Driver Assist, park assist, (LH quarter panel), opt UD5
49 listings$92$40 – $191Temperature, (middle dash), ID 84305960
49 listings$61$50 – $176Air Bag, (below console), ID 13518660
48 listings$88$46 – $335Air Bag, (below console), ID 13523858
48 listings$88$46 – $335Door, hands free rear closer, (LH liftgate)
47 listings$114$60 – $295Theft-Locking, (lock), (rear view mirror)
47 listings$41$41 – $162Information-GPS-TV, human machine interface (HMI), (RH dash), ID 84513027
46 listings$125$40 – $350Information-GPS-TV, human machine interface (HMI), (RH dash), ID 84546902
46 listings$111$46 – $305Information-GPS-TV, human machine interface (HMI), (RH dash), ID 84546904
46 listings$125$40 – $350Network Gateway, (engine compartment)
46 listings$82$41 – $249Driver Assist, park assist, (LH quarter panel), opt UD7
45 listings$71$30 – $171Body Control (BCM), active noise control, (below steering column), ID 84415721
44 listings$105$40 – $405Air Bag, (below console), ID 13523859
42 listings$51$40 – $299Information-GPS-TV, human machine interface (HMI), (RH dash), ID 84251845
42 listings$151$70 – $305Differential Lock, (top of carrier)
41 listings$76$35 – $305Driver Assist, pre-crash system, (LH quarter panel)
41 listings$91$25 – $176Information-GPS-TV, human machine interface (HMI), (RH dash), ID 84296480
41 listings$120$50 – $450Door, liftgate control, (LH quarter panel)
40 listings$75$41 – $171Temperature, (middle dash), ID 84245752
39 listings$105$40 – $260Fuel Pump, (LH rear floor)
37 listings$50$25 – $100Temperature, (middle dash), ID 84307103
34 listings$110$30 – $305Information-GPS-TV, surround view, (LH quarter panel)
15 listings$153$50 – $240Back to full guide
2018 GMC Acadia transmission control module — all trims
Common questions
2018 GMC Acadia transmission control module (Suspension, (under left rear seat)) FAQ
How much is a used 2018 GMC Acadia transmission control module (Suspension, (under left rear seat))?
Based on 49 priced salvage-yard listings, a used 2018 GMC Acadia transmission control module in the Suspension, (under left rear seat) variant lists between $50 and $560, with a median asking price of $111.
Which years use the Suspension, (under left rear seat) transmission control module?
The Suspension, (under left rear seat) variant appears in model years 2018, 2019, 2020, 2021, 2022, 2023. Prices and availability may differ by year.