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

Trim-specific price guide

GMC Sierra 1500 Transmission Control ModuleTowing Control, (behind LH bumper), trailer lamp control prices

Pricing for the Towing Control, (behind LH bumper), trailer lamp control variant of the GMC Sierra 1500 transmission control module, aggregated from 194 salvage yard listings across 5 model years.
Price summary

A used GMC Sierra 1500 transmission control module (Towing Control, (behind LH bumper), trailer lamp control) costs $50 to $348, with a median asking price of $155. Based on 194 priced salvage yard listings across the US, updated Sep 10, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$171
Grade B (good)$139
Grade C (fair)$90

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

USD
Low
$50
Average
$142
High
$348
194 priced listings across 5 model years· How we price·

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Reporting price for 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$50$34887 listings
Grade BStandard used$50$340100 listings
Grade CVisible wear$90$902 listings
Grade XUngraded$67$1505 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $50$348 overall range

Trim-specific context

How is the Towing Control, (behind LH bumper), trailer lamp control priced differently?

This pricing covers the Towing Control, (behind LH bumper), trailer lamp control variant of the GMC Sierra 1500 transmission control module, based on 194 priced listings across 5 model years (2021, 2022, 2023, 2024, 2025). Its $155 median is 11% above the GMC Sierra 1500 transmission control module overall median of $140.

Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.

Price by model year

What does a Towing Control, (behind LH bumper), trailer lamp control cost by year?

Other trims

Other GMC Sierra 1500 transmission control module variants

Common questions

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

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

Based on 194 priced salvage-yard listings across 5 model years, a used GMC Sierra 1500 transmission control module in the Towing Control, (behind LH bumper), trailer lamp control variant lists between $50 and $348, with a median asking price of $155.

Which GMC Sierra 1500 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 differ by year.

Is there a price difference between Towing Control, (behind LH bumper), trailer lamp control condition grades?

Yes. Grade A has a median of $171, Grade B has a median of $139, Grade C has a median of $90. Grade A parts are in excellent condition, B is good, and C is fair.