Used 2025 GMC Sierra 1500 transmission control module – Towing Control, (behind LH bumper), trailer lamp control

Year & trim-specific price guide

Used 2025 GMC Sierra 1500 Transmission Control Module — Towing Control, (behind LH bumper), trailer lamp control prices

Trim-specific pricing for the Towing Control, (behind LH bumper), trailer lamp control variant of the 2025 GMC Sierra 1500 transmission control module, built from 22 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedAug 29, 2026
Price summary

A used 2025 GMC Sierra 1500 transmission control module (Towing Control, (behind LH bumper), trailer lamp control) costs $65 to $348, with a median asking price of $80. Based on 22 priced salvage yard listings across the US, updated Aug 29, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$123
Grade B (good)$80

2025 GMC Sierra 1500 transmission control module — Towing Control, (behind LH bumper), trailer lamp control price snapshot

USD
Low
$65
Average
$111
High
$348
22 priced listings used · last updated Aug 29, 2026· How we price·

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Reporting price for 2025 GMC Sierra 1500 Transmission Control Module (Towing Control, (behind LH bumper), trailer lamp control)

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Condition comparison

Price by part grade

Grade AClean / low wear$80–$34810 listings
Grade BStandard used$65–$17610 listings
Grade XUngraded$75–$802 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $65–$348 overall range

Trim-specific context

How does the Towing Control, (behind LH bumper), trailer lamp control compare?

This pricing covers the Towing Control, (behind LH bumper), trailer lamp control variant of the 2025 GMC Sierra 1500 transmission control module, based on 22 priced listings. Its $80 median is 33% 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

Towing Control, (behind LH bumper), trailer lamp control in other model years

Same year, other trims

What other 2025 GMC Sierra 1500 transmission control module variants are available?

Fuel Pump, (RH rear frame rail)

48 listings
$105$48 – $239

Temperature, (RH under dash), ID 84579087

48 listings
$75$29 – $262

Transmission Control, (LH core support), 8 speed transmission

48 listings
$189$25 – $326

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

47 listings
$65$25 – $176

Air Bag, (RH rear floor)

46 listings
$124$50 – $172

Temperature, (RH under dash), ID 84579089

46 listings
$105$50 – $176

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

46 listings
$65$32 – $199

Transmission Control, (LH core support), 10 speed transmission

46 listings
$110$30 – $221

Body Control (BCM), (under steering column)

45 listings
$100$50 – $199

Communication, telematics (LH dash)

45 listings
$66$55 – $176

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

45 listings
$125$36 – $234

Power Supply, (behind rear seat)

44 listings
$100$25 – $302

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

44 listings
$99$41 – $305

Towing Control, (behind LH bumper), tow package

44 listings
$176$40 – $287

Network Gateway, (LH rear engine compartment)

43 listings
$176$45 – $232

Suspension, (rear frame)

43 listings
$100$25 – $308

Door, (tailgate control)

42 listings
$128$65 – $320

Driver Assist, camera, (RH cab back panel), opt UV2 (360 view, mono, digital camera)

41 listings
$159$63 – $350

Steering, (steering column mounted), ID 13535112

41 listings
$120$25 – $182

Steering, (steering column mounted), ID 84836986

41 listings
$111$61 – $305

Transfer Case, (LH inner fender)

41 listings
$176$25 – $318

Memory, (under driver seat)

40 listings
$176$40 – $232

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

37 listings
$153$70 – $270

Driver Assist, camera, (RH cab back panel), opt UVS (360 view, digital camera)

37 listings
$195$80 – $475

Communication, wireless charger (under console, opt K4C)

30 listings
$66$50 – $305

Back to full guide

2025 GMC Sierra 1500 transmission control module — all trims

Common questions

2025 GMC Sierra 1500 transmission control module (Towing Control, (behind LH bumper), trailer lamp control) FAQ

How much is a used 2025 GMC Sierra 1500 transmission control module (Towing Control, (behind LH bumper), trailer lamp control)?

Based on 22 priced salvage-yard listings, a used 2025 GMC Sierra 1500 transmission control module in the Towing Control, (behind LH bumper), trailer lamp control variant lists between $65 and $348, with a median asking price of $80.

Which years use the Towing Control, (behind LH bumper), trailer lamp control transmission control module?

The Towing Control, (behind LH bumper), trailer lamp control variant appears in model years 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.

2025 GMC Sierra 1500 Transmission Control Module · Towing Control, (behind LH bumper), trailer lamp control Prices | Part Price Guide