2021 Ram 3500 transmission control module — Towing Control, (trailer brake control) price snapshot
- Low
- $70
- Average
- $186
- High
- $250
Year & trim-specific price guide
Used 2021 Ram 3500 Transmission Control Module — Towing Control, (trailer brake control) prices
Trim-specific pricing for the Towing Control, (trailer brake control) variant of the 2021 Ram 3500 transmission control module, built from 50 real salvage yard listings with condition grade detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 20, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price summary
A used 2021 Ram 3500 transmission control module (Towing Control, (trailer brake control)) costs $70 to $250, with a median asking price of $190. Based on 50 priced salvage yard listings across the US, updated Oct 20, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$190
Grade B (good)$190
USD
Condition comparison
Price by part grade
Grade AClean / low wear$70–$25024 listings
Grade BStandard used$177–$23226 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $70–$250 | 24 | |
| Grade BStandard used | $177–$232 | 26 |
Median by grade
Grade price comparison
Grade A$190
Grade B$190
Median asking price by seller-reported condition grade · $70–$250 overall range
Trim-specific context
How does the Towing Control, (trailer brake control) compare?
This pricing covers the Towing Control, (trailer brake control) variant of the 2021 Ram 3500 transmission control module, based on 50 priced listings. Its $190 median is 0% above the 2021 Ram 3500 transmission control module overall median of $190.
There are 32 other transmission control module variants available for the 2021 Ram 3500.
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, (trailer brake control) in other model years
Same year, other trims
What other 2021 Ram 3500 transmission control module variants are available?
Air Bag, Chassis Cab, from 10001 GVW, Crew Cab
50 listings$190$75 – $254Body Control (BCM), (under dash, LH near parking brake)
50 listings$190$55 – $259Multifunction, (vehicle systems interface)
50 listings$334$85 – $334Network Gateway, (under dash)
50 listings$232$46 – $232Transmission
50 listings$214$75 – $238Air Bag, Chassis Cab, thru 10000 GVW, driver and passenger front airbags
49 listings$200$61 – $350Suspension, TPMS, DRW, inner
49 listings$190$41 – $228Suspension, TPMS, DRW, outer, aluminum
49 listings$130$75 – $305Suspension, TPMS, SRW, aluminum
49 listings$130$75 – $305Transfer Case, (RH dash, under heater box)
49 listings$232$41 – $232Air Bag, Pickup, Crew Cab, DRW
48 listings$186$50 – $290Air Bag, Pickup, Mega Cab, DRW
48 listings$186$50 – $290Driver Assist, (park assist), front and rear
48 listings$170$50 – $360Suspension, TPMS, DRW, outer, steel
48 listings$190$76 – $193Suspension, TPMS, SRW, steel
48 listings$190$76 – $193Door, (door mounted), power folding mirrors, LH
47 listings$125$40 – $405Air Bag, Chassis Cab, from 10001 GVW, Standard Cab
46 listings$190$112 – $325Door, (door mounted), power folding mirrors, RH
46 listings$146$40 – $405Air Bag, Pickup, Crew Cab, SRW
45 listings$175$100 – $338Air Bag, Pickup, Mega Cab, SRW
45 listings$175$100 – $338Suspension, air suspension control
45 listings$244$120 – $470Door, (door mounted), manual folding mirrors, RH
44 listings$130$45 – $235Door, (door mounted), manual folding mirrors, LH
43 listings$110$45 – $235Temperature, (center stack)
32 listings$190$41 – $232Seat, w/o ventilated
31 listings$147$51 – $405Driver Assist, (park assist), rear only
26 listings$153$41 – $228Memory, Pickup
25 listings$140$45 – $235Seat, ventilated
20 listings$174$50 – $312Air Bag, Pickup, Standard Cab, SRW
7 listings$141$50 – $225Memory, Chassis Cab
4 listings$66$50 – $95Air Bag, Pickup, Standard Cab, DRW
2 listings$141$40 – $141Air Bag, Chassis Cab, thru 10000 GVW, driver only front air bag
1 listings$106$106 – $106Back to full guide
2021 Ram 3500 transmission control module — all trims
Common questions
2021 Ram 3500 transmission control module (Towing Control, (trailer brake control)) FAQ
How much is a used 2021 Ram 3500 transmission control module (Towing Control, (trailer brake control))?
Based on 50 priced salvage-yard listings, a used 2021 Ram 3500 transmission control module in the Towing Control, (trailer brake control) variant lists between $70 and $250, with a median asking price of $190.
Which years use the Towing Control, (trailer brake control) transmission control module?
The Towing Control, (trailer brake control) variant appears in model years 2018, 2019, 2020, 2021, 2022, 2023, 2024. Prices and availability may differ by year.