Used 2018 GMC Sierra 1500 transmission control module – Suspension, (rear frame)

Year & trim-specific price guide

Used 2018 GMC Sierra 1500 Transmission Control Module — Suspension, (rear frame) prices

Trim-specific pricing for the Suspension, (rear frame) variant of the 2018 GMC Sierra 1500 transmission control module, built from 33 real salvage yard listings with condition grade detail.

2018 GMC Sierra 1500 · Suspension, (rear frame)

$125

median asking price

33 priced listings · $35–$290

Price summary

A used 2018 GMC Sierra 1500 transmission control module (Suspension, (rear frame)) costs $35 to $290, with a median asking price of $125. Based on 33 priced salvage yard listings across the US, updated Aug 25, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$86
Grade B (good)$193

2018 GMC Sierra 1500 transmission control module — Suspension, (rear frame) price snapshot

USD
Low
$35
Average
$123
High
$290
33 priced listings used · last updated Aug 25, 2026· How we price·

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Reporting price for 2018 GMC Sierra 1500 Transmission Control Module (Suspension, (rear frame))

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Condition comparison

Price by part grade

Grade AClean / low wear$35–$29019 listings
Grade BStandard used$52–$19910 listings
Grade CVisible wearUpdating
Grade XUngraded$54–$754 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $35–$290 overall range

Trim-specific context

How does the Suspension, (rear frame) compare?

This pricing covers the Suspension, (rear frame) variant of the 2018 GMC Sierra 1500 transmission control module, based on 33 priced listings. Its $125 median is 0% above the 2018 GMC Sierra 1500 transmission control module overall median of $125.

There are 25 other transmission control module variants available for the 2018 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

Suspension, (rear frame) in other model years

All years
202543 listings$100$25 – $308202448 listings$111$40 – $300202341 listings$111$60 – $271202232 listings$177$40 – $243202141 listings$111$60 – $271

Same year, other trims

What other 2018 GMC Sierra 1500 transmission control module variants are available?

Memory, (under driver seat)

50 listings$95$50 – $241

Network Gateway, (LH rear engine compartment), (ID 13599318)

49 listings$241$40 – $241

Fuel Pump, (LH frame rail)

48 listings$99$45 – $241

Body Control (BCM), (under steering column)

48 listings$237$51 – $307

Communication, telematics, (center dash, behind radio)

48 listings$99$40 – $241

Transfer Case, (LH dash)

48 listings$99$45 – $241

Multifunction, (roof mounted)

45 listings$147$50 – $241

Driver Assist, (park assist), (RH cab back panel), opt UD7

45 listings$110$50 – $282

Towing Control, (LH rear frame)

44 listings$95$45 – $241

Air Bag, (on transmission tunnel), ID 13507217

44 listings$153$41 – $272

Transmission, (firewall mounted)

43 listings$227$65 – $330

Air Bag, (on transmission tunnel), ID 13522335

43 listings$104$75 – $310

Driver Assist, (park assist), (RH cab back panel), opt UD5

43 listings$162$45 – $232

Temperature, (RH under dash), ID 84237325

42 listings$162$35 – $271

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84251839

41 listings$241$46 – $383

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84331775

41 listings$241$46 – $383

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84364934

41 listings$241$46 – $383

Communication, wireless charger, (under console)

39 listings$99$46 – $241

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84251841

39 listings$171$70 – $560

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84331776

39 listings$171$70 – $560

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84364936

39 listings$171$70 – $560

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84513027

39 listings$171$70 – $560

Information-GPS-TV, (RH dash), (human machine interface, HMI), ID 84296482

32 listings$228$50 – $350

Information-GPS-TV, (LH dash), (human machine interface bypass)

29 listings$110$45 – $343

Hybrid-Electric, (RH front engine compartment), (opt HP5)

6 listings$325$250 – $842

Back to full guide

2018 GMC Sierra 1500 transmission control module — all trims

View 2018 guide

Common questions

2018 GMC Sierra 1500 transmission control module (Suspension, (rear frame)) FAQ

How much is a used 2018 GMC Sierra 1500 transmission control module (Suspension, (rear frame))?

Based on 33 priced salvage-yard listings, a used 2018 GMC Sierra 1500 transmission control module in the Suspension, (rear frame) variant lists between $35 and $290, with a median asking price of $125.

Which years use the Suspension, (rear frame) transmission control module?

The Suspension, (rear frame) variant appears in model years 2018, 2021, 2022, 2023, 2024, 2025. Prices and availability may differ by year.