2025 GMC Sierra 1500 transmission control module — Transmission Control, (LH core support), 8 speed transmission price snapshot
- Low
- $25
- Average
- $153
- High
- $326
Year & trim-specific price guide
Used 2025 GMC Sierra 1500 Transmission Control Module — Transmission Control, (LH core support), 8 speed transmission prices
Trim-specific pricing for the Transmission Control, (LH core support), 8 speed transmission variant of the 2025 GMC Sierra 1500 transmission control module, built from 48 real salvage yard listings with condition grade detail.
Price summary
A used 2025 GMC Sierra 1500 transmission control module (Transmission Control, (LH core support), 8 speed transmission) costs $25 to $326, with a median asking price of $189. Based on 48 priced salvage yard listings across the US, updated Aug 29, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$199
Grade B (good)$182
USD
Condition comparison
Price by part grade
Grade AClean / low wear$25–$23924 listings
Grade BStandard used$30–$32616 listings
Grade CVisible wearUpdating
Grade XUngraded$30–$2008 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$239 | 24 | |
| Grade BStandard used | $30–$326 | 16 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $30–$200 | 8 |
Median by grade
Grade price comparison
Grade A$199
Grade B$182
Ungraded$50
Median asking price by seller-reported condition grade · $25–$326 overall range
Trim-specific context
How does the Transmission Control, (LH core support), 8 speed transmission compare?
This pricing covers the Transmission Control, (LH core support), 8 speed transmission variant of the 2025 GMC Sierra 1500 transmission control module, based on 48 priced listings. Its $189 median is 57% above the 2025 GMC Sierra 1500 transmission control module overall median of $120.
There are 25 other transmission control module variants available for the 2025 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
Transmission Control, (LH core support), 8 speed transmission in other model years
Same year, other trims
What other 2025 GMC Sierra 1500 transmission control module variants are available?
Temperature, (RH under dash), ID 84579087
48 listings$75$29 – $262Fuel Pump, (RH rear frame rail)
48 listings$105$48 – $239Theft-Locking, door lock control (back glass LH frame)
47 listings$65$25 – $176Temperature, (RH under dash), ID 84579089
46 listings$105$50 – $176Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)
46 listings$65$32 – $199Air Bag, (RH rear floor)
46 listings$124$50 – $172Transmission Control, (LH core support), 10 speed transmission
46 listings$110$30 – $221Body Control (BCM), (under steering column)
45 listings$100$50 – $199Communication, telematics (LH dash)
45 listings$66$55 – $176Driver Assist, park assist, (RH cab back panel)
45 listings$125$36 – $234Towing Control, (behind LH bumper), tow package
44 listings$176$40 – $287Power Supply, (behind rear seat)
44 listings$100$25 – $302Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)
44 listings$99$41 – $305Network Gateway, (LH rear engine compartment)
43 listings$176$45 – $232Suspension, (rear frame)
43 listings$100$25 – $308Door, (tailgate control)
42 listings$128$65 – $320Transfer Case, (LH inner fender)
41 listings$176$25 – $318Steering, (steering column mounted), ID 13535112
41 listings$120$25 – $182Steering, (steering column mounted), ID 84836986
41 listings$111$61 – $305Driver Assist, camera, (RH cab back panel), opt UV2 (360 view, mono, digital camera)
41 listings$159$63 – $350Memory, (under driver seat)
40 listings$176$40 – $232Driver Assist, camera, (RH cab back panel), opt UVN (bed view camera)
37 listings$153$70 – $270Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)
37 listings$195$80 – $475Communication, wireless charger (under console, opt K4C)
30 listings$66$50 – $305Towing Control, (behind LH bumper), trailer lamp control
22 listings$80$65 – $348Back to full guide
2025 GMC Sierra 1500 transmission control module — all trims
Common questions
2025 GMC Sierra 1500 transmission control module (Transmission Control, (LH core support), 8 speed transmission) FAQ
How much is a used 2025 GMC Sierra 1500 transmission control module (Transmission Control, (LH core support), 8 speed transmission)?
Based on 48 priced salvage-yard listings, a used 2025 GMC Sierra 1500 transmission control module in the Transmission Control, (LH core support), 8 speed transmission variant lists between $25 and $326, with a median asking price of $189.
Which years use the Transmission Control, (LH core support), 8 speed transmission transmission control module?
The Transmission Control, (LH core support), 8 speed transmission variant appears in model years 2024, 2025. Prices and availability may differ by year.