2018 GMC Sierra 1500 transmission control module — Memory, (under driver seat) price snapshot
- Low
- $50
- Average
- $96
- High
- $241
Year & trim-specific price guide
Used 2018 GMC Sierra 1500 Transmission Control Module — Memory, (under driver seat) prices
Trim-specific pricing for the Memory, (under driver seat) variant of the 2018 GMC Sierra 1500 transmission control module, built from 50 real salvage yard listings with condition grade detail.
Price summary
A used 2018 GMC Sierra 1500 transmission control module (Memory, (under driver seat)) costs $50 to $241, with a median asking price of $95. Based on 50 priced salvage yard listings across the US, updated Aug 25, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$80
Grade B (good)$99
Grade C (fair)$60
USD
Condition comparison
Price by part grade
Grade AClean / low wear$50–$24136 listings
Grade BStandard used$50–$24112 listings
Grade CVisible wear$60–$601 listings
Grade XUngraded$80–$801 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $50–$241 | 36 | |
| Grade BStandard used | $50–$241 | 12 | |
| Grade CVisible wear | $60–$60 | 1 | |
| Grade XUngraded | $80–$80 | 1 |
Median by grade
Grade price comparison
Grade A$80
Grade B$99
Grade C$60
Ungraded$80
Median asking price by seller-reported condition grade · $50–$241 overall range
Trim-specific context
How does the Memory, (under driver seat) compare?
This pricing covers the Memory, (under driver seat) variant of the 2018 GMC Sierra 1500 transmission control module, based on 50 priced listings. Its $95 median is 24% below the 2018 GMC Sierra 1500 transmission control module overall median of $125.
There are 25 other transmission control module variants available for the 2018 GMC Sierra 1500.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
Memory, (under driver seat) in other model years
Same year, other trims
What other 2018 GMC Sierra 1500 transmission control module variants are available?
Network Gateway, (LH rear engine compartment), (ID 13599318)
49 listings$241$40 – $241Fuel Pump, (LH frame rail)
48 listings$99$45 – $241Body Control (BCM), (under steering column)
48 listings$237$51 – $307Communication, telematics, (center dash, behind radio)
48 listings$99$40 – $241Transfer Case, (LH dash)
48 listings$99$45 – $241Multifunction, (roof mounted)
45 listings$147$50 – $241Driver Assist, (park assist), (RH cab back panel), opt UD7
45 listings$110$50 – $282Towing Control, (LH rear frame)
44 listings$95$45 – $241Air Bag, (on transmission tunnel), ID 13507217
44 listings$153$41 – $272Transmission, (firewall mounted)
43 listings$227$65 – $330Air Bag, (on transmission tunnel), ID 13522335
43 listings$104$75 – $310Driver Assist, (park assist), (RH cab back panel), opt UD5
43 listings$162$45 – $232Temperature, (RH under dash), ID 84237325
42 listings$162$35 – $271Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84251839
41 listings$241$46 – $383Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84331775
41 listings$241$46 – $383Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84364934
41 listings$241$46 – $383Communication, wireless charger, (under console)
39 listings$99$46 – $241Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84251841
39 listings$171$70 – $560Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84331776
39 listings$171$70 – $560Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84364936
39 listings$171$70 – $560Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84513027
39 listings$171$70 – $560Suspension, (rear frame)
33 listings$125$35 – $290Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84296482
32 listings$228$50 – $350Information-GPS-TV, (LH dash), (human machine interface bypass)
29 listings$110$45 – $343Hybrid-Electric, (RH front engine compartment), (opt HP5)
6 listings$325$250 – $842Back to full guide
2018 GMC Sierra 1500 transmission control module — all trims
Common questions
2018 GMC Sierra 1500 transmission control module (Memory, (under driver seat)) FAQ
How much is a used 2018 GMC Sierra 1500 transmission control module (Memory, (under driver seat))?
Based on 50 priced salvage-yard listings, a used 2018 GMC Sierra 1500 transmission control module in the Memory, (under driver seat) variant lists between $50 and $241, with a median asking price of $95.
Which years use the Memory, (under driver seat) transmission control module?
The Memory, (under driver seat) variant appears in model years 2016, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.