Used 2023 GMC Sierra 1500 transmission control module – Power Supply, (behind rear seat)

Year & trim-specific price guide

Used 2023 GMC Sierra 1500 Transmission Control ModulePower Supply, (behind rear seat) prices

Trim-specific pricing for the Power Supply, (behind rear seat) variant of the 2023 GMC Sierra 1500 transmission control module, built from 47 real salvage yard listings with condition grade detail.
Price summary

A used 2023 GMC Sierra 1500 transmission control module (Power Supply, (behind rear seat)) costs $45 to $271, with a median asking price of $99. Based on 47 priced salvage yard listings across the US, updated Aug 28, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$101
Grade B (good)$99

2023 GMC Sierra 1500 transmission control module — Power Supply, (behind rear seat) price snapshot

USD
Low
$45
Average
$125
High
$271
47 priced listings used · last updated Aug 28, 2026· How we price·

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Condition comparison

Price by part grade

Grade AClean / low wear$45$27123 listings
Grade BStandard used$75$27124 listings
Grade CVisible wearUpdating
Grade XUngradedUpdating

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $45$271 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 2023 GMC Sierra 1500 transmission control module, based on 47 priced listings. Its $99 median is 27% below the 2023 GMC Sierra 1500 transmission control module overall median of $135.

There are 23 other transmission control module variants available for the 2023 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 2023 GMC Sierra 1500 transmission control module variants are available?

Memory, (under driver seat)

50 listings
$95$50$241

Network Gateway, (LH rear engine compartment)

50 listings
$99$40$241

Temperature, (RH under dash), ID 84579087

50 listings
$162$66$205

Air Bag, (RH rear floor)

49 listings
$99$51$450

Fuel Pump, (RH rear frame rail)

49 listings
$162$45$271

Driver Assist, park assist, (RH cab back panel)

49 listings
$143$41$271

Body Control (BCM), (under steering column)

49 listings
$178$50$272

Transfer Case, (LH inner fender)

48 listings
$143$45$222

Transmission Control, (LH core support)

48 listings
$179$50$410

Theft-Locking, door lock control (back glass LH frame)

48 listings
$153$30$271

Towing Control, (behind LH bumper), trailer lamp control

48 listings
$155$50$340

Door, (tailgate control)

47 listings
$165$65$271

Communication, wireless charger (under console, opt K4C)

47 listings
$104$45$271

Driver Assist, camera, (RH cab back panel), (opt UVN, bed view camera)

47 listings
$149$65$297

Theft-Locking, theft deterrent, w/o remote start; (at top of steering column)

46 listings
$65$35$335

Communication, telematics (LH dash)

46 listings
$105$56$271

Steering, (steering mounted), ID 13524104

45 listings
$153$35$271

Steering, (steering mounted), ID 13535112

45 listings
$153$35$271

Steering, (steering mounted), ID 84836986

45 listings
$175$51$228

Towing Control, (behind LH bumper), tow package

44 listings
$149$40$271

Temperature, (RH under dash), ID 84579089

44 listings
$179$59$271

Theft-Locking, theft deterrent, remote start (opt AVJ), (under floor console)

44 listings
$110$35$271

Suspension, (rear frame)

41 listings
$111$60$271

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2023 GMC Sierra 1500 transmission control module — all trims

Common questions

2023 GMC Sierra 1500 transmission control module (Power Supply, (behind rear seat)) FAQ

How much is a used 2023 GMC Sierra 1500 transmission control module (Power Supply, (behind rear seat))?

Based on 47 priced salvage-yard listings, a used 2023 GMC Sierra 1500 transmission control module in the Power Supply, (behind rear seat) variant lists between $45 and $271, with a median asking price of $99.

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.