2025 GMC Sierra 1500 transmission control module — Power Supply, (behind rear seat) price snapshot
- Low
- $25
- Average
- $125
- High
- $302
Year & trim-specific price guide
Used 2025 GMC Sierra 1500 Transmission Control Module — Power Supply, (behind rear seat) prices
Trim-specific pricing for the Power Supply, (behind rear seat) variant of the 2025 GMC Sierra 1500 transmission control module, built from 44 real salvage yard listings with condition grade detail.
Price summary
A used 2025 GMC Sierra 1500 transmission control module (Power Supply, (behind rear seat)) costs $25 to $302, with a median asking price of $100. Based on 44 priced salvage yard listings across the US, updated Aug 29, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$81
Grade B (good)$172
USD
Condition comparison
Price by part grade
Grade AClean / low wear$25–$30221 listings
Grade BStandard used$50–$29018 listings
Grade CVisible wearUpdating
Grade XUngraded$80–$1005 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $25–$302 | 21 | |
| Grade BStandard used | $50–$290 | 18 | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $80–$100 | 5 |
Median by grade
Grade price comparison
Grade A$81
Grade B$172
Ungraded$80
Median asking price by seller-reported condition grade · $25–$302 overall range
Trim-specific context
How does the Power Supply, (behind rear seat) compare?
This pricing covers the Power Supply, (behind rear seat) variant of the 2025 GMC Sierra 1500 transmission control module, based on 44 priced listings. Its $100 median is 17% below 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
Power Supply, (behind rear seat) 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 – $262Transmission Control, (LH core support), 8 speed transmission
48 listings$189$25 – $326Fuel 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 – $287Theft-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 (Power Supply, (behind rear seat)) FAQ
How much is a used 2025 GMC Sierra 1500 transmission control module (Power Supply, (behind rear seat))?
Based on 44 priced salvage-yard listings, a used 2025 GMC Sierra 1500 transmission control module in the Power Supply, (behind rear seat) variant lists between $25 and $302, with a median asking price of $100.
Which years use the Power Supply, (behind rear seat) transmission control module?
The Power Supply, (behind rear seat) variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.