GMC Terrain transmission control module price snapshot
- Low
- $20
- Average
- $120
- High
- $407
Vehicle-specific price guide
How much is a used GMC Terrain transmission control module?
Asking prices from 468 salvage yards in 38 states, broken down by model year, condition grade, and fitment variant.
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 updatedSep 21, 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.
Part overview
About the GMC Terrain transmission control module
What the transmission control module does, common failure signs, and prices across all vehicles: used transmission control module price guide →
Also known asTCMTransmission ComputerTransmission ModuleTCU
Price summary
A used GMC Terrain transmission control module costs $20 to $407, with a median asking price of $96. Based on 10,329 priced salvage yard listings across the US, compatible across 2009–2025 (17 model years), updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$95
Grade B (good)$103
Grade C (fair)$69
USD
Condition comparison
Price by part grade
Grade AClean / low wear$20–$4076,974 listings
Grade BStandard used$25–$4053,000 listings
Grade CVisible wear$47–$15033 listings
Grade XUngraded$25–$245322 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $20–$407 | 6,974 | |
| Grade BStandard used | $25–$405 | 3,000 | |
| Grade CVisible wear | $47–$150 | 33 | |
| Grade XUngraded | $25–$245 | 322 |
Median by grade
Grade price comparison
Grade A$95
Grade B$103
Grade C$69
Ungraded$75
Median asking price by seller-reported condition grade · $20–$407 overall range
Regional supply
Where the GMC Terrain transmission control module is listed
We found priced GMC Terrain transmission control module listings at 468 salvage yards across 38 states. Texas supplies the most, with 2,271 listings (22% of the total) from 50 yards. Location matters: yards in Arizona ask a median $56, while Illinois yards ask $195, 248% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.
| State | Listings | Yards | Median ask |
|---|---|---|---|
| Texas | 2,271 | 50 | $103+7% |
| Arizona | 2,032 | 28 | $56-42% |
| Illinois | 1,928 | 27 | $195+103% |
| California | 980 | 63 | $76-21% |
| Nevada | 510 | 6 | $94-2% |
| Indiana | 432 | 14 | $139+45% |
| New Mexico | 259 | 6 | $81-16% |
| Michigan | 249 | 44 | $100+4% |
States with at least 10 priced listings. % is versus the $96 national median.
Replacement cost
What is the GMC Terrain transmission control module replacement cost?
- Used part
- $96
- GMC Terrain median asking price
- Labor
- $95–$300
- 1–2 hours at $95–$150/hr
- Estimated total
- $190–$395
- median used part + labor
Labor is a typical independent-shop range for transmission control module replacement, not a quote for your vehicle; it does not include programming and adaptive relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full transmission control module replacement cost breakdown
Sources
- Labor time estimates: Part Price Guide labor database
Model-year comparison
What does a GMC Terrain transmission control module cost by year?
2025100 listings$187$44 – $4072024990 listingsFits 13 years$72$20 – $40520231,039 listingsFits 12 years$140$25 – $40520221,968 listingsFits 10 years$180$25 – $40520211,386 listingsFits 11 years$105$30 – $40520201,490 listingsFits 11 years$105$30 – $40520191,731 listingsFits 13 years$71$20 – $40520181,222 listingsFits 12 years$71$20 – $4052017750 listingsFits 14 years$66$35 – $4052016440 listingsFits 13 years$76$43 – $3712015700 listingsFits 10 years$75$25 – $348
Market analysis
How much does a used GMC Terrain transmission control module cost?
Asking prices for a used GMC Terrain transmission control module are unusually spread out: the top listing asks more than ten times what the cheapest does, so which unit you pick matters more than the median. Condition matters: grade-A units (lowest mileage, best condition) carry roughly a 38% premium over grade-C stock, with grade-A medians at $95.
Model year matters too: 2017 units carry the lowest median at $66, while 2025 tops the table at $187. Parts from 2010–2024 are interchangeable, so if the 2017 fits your vehicle, it offers the best value across 14 compatible years.
Against comparable vehicles, the GMC Terrain sits 29% below the Mercedes S Class ($135), 10% below the Mercedes E Class ($107), and 34% below the Mercedes GLE Class ($145) for the same part. The “similar vehicles” cards below open each comparison guide.
Buying a used transmission control module: what to check
- Match exact part numbers and software flash codes: Verify hardware numbers and firmware revision suffix letters, as valve body solenoid drivers vary between sub-models.
- Inspect connector pins for fluid wicking: Check harness plug sockets for fluid intrusion, as failing transmission harness seals push ATF into the TCM pins.
- Verify donor axle ratio and tire size match: Ensure donor vehicle axle ratios and tire sizes match to prevent shifting fault codes and limp-mode triggers.
- Confirm internal circuit board casing integrity: Check plastic housings for cracked mounting ears, housing cracks, or rattling components inside the module casing.
- Perform adaptive shift learn routine after install: Clear existing TCM adaptive tables using a scan tool so the module relearns your transmission's clutch pack wear.
Keep browsing this vehicle
What other GMC Terrain parts are priced?
01wide ±223%
Tail Light
$150median
$25$694
02wide ±273%
Car Radio
$106median
$20$599
03wide ±207%
Side Mirror
$150median
$25$646
04wide ±226%
Wheels
$187median
$35$880
05wide ±194%
Strut
$75median
$30$321
06wide ±151%
Axle Shaft
$102median
$34$343
07wide ±116%
Rear Bumper Assembly
$524median
$153$1,372
08wide ±141%
Front Seat
$175median
$67$559
09wide ±188%
Air Bag
$241median
$45$950
10wide ±186%
Headlight Assembly
$386median
$75$1,509
11wide ±213%
Center Console
$106median
$25$476
12wide ±108%
Tailgate
$1,400median
$226$3,250
Price comparisons
Compare GMC Terrain transmission control module prices
Transmission Control Modulecompare
MercedesSClassvsGMCTerrain
Class$135
Terrain$96
$39 diff42,541 listings
Transmission Control ModulecompareMercedesEClassvsGMCTerrain
Class$107
Terrain$96
$11 diff38,032 listings
Transmission Control ModulecompareMercedesGLEClassvsGMCTerrain
Class$145
Terrain$96
$49 diff35,051 listings
Transmission Control ModulecompareFordF150vsGMCTerrain
F150$156
Terrain$96
$60 diff31,415 listings
Transmission Control ModulecompareMercedesCClassvsGMCTerrain
Class$100
Terrain$96
$4 diff27,657 listings
Transmission Control ModulecompareToyotaRAV4vsGMCTerrain
RAV4$125
Terrain$96
$29 diff26,062 listings
Compare fitments
What do similar vehicles charge for this part?
Acurawide ±183%
Acura ILX
$109median
$35$435
Acurawide ±218%
Acura Integra
$125median
$25$569
Acurawide ±232%
Acura MDX
$111median
$30$544
Acurawide ±203%
Acura RDX
$108median
$35$474
Acurawide ±212%
Acura TLX
$101median
$25$454
Audiwide ±253%
Audi A4
$123median
$22$644
Audiwide ±279%
Audi A6
$116median
$25$673
Audiwide ±220%
Audi Q3
$106median
$23$490
GMCwide ±273%
GMC Acadia
$99median
$20$560
GMCwide ±198%
GMC Canyon
$106median
$20$440
GMCwide ±214%
GMC Sierra 1500
$125median
$25$560
GMCwide ±214%
GMC Yukon
$125median
$24$560
Common questions
GMC Terrain transmission control module FAQ
How much is a used transmission control module for a GMC Terrain?
The median asking price is $96 across 10,329 priced listings from 468 yards. Grade-A units, the cleanest stock, have a median of $95. 2017 is the cheapest model year we track, with a median of $66.
How much does it cost to replace a GMC Terrain transmission control module?
Using a used part, a GMC Terrain transmission control module replacement typically runs $190–$395 all-in: the median used transmission control module for this model lists at $96, and independent-shop labor for transmission control module replacement typically takes 1–2 hours at $95–$150/hr ($95–$300). The labor figure does not include programming and adaptive relearn procedure. Labor is a national part-level estimate, not a quote for your vehicle.
Which GMC Terrain model years does this price guide cover?
This guide currently has year-level pricing for 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. Other model years contribute to the overall range where sellers listed them without a year breakdown.
Which GMC Terrain transmission control module years are interchangeable?
Salvage-yard interchange data links GMC Terrain transmission control module fitments across 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Searching all 17 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.