GMC Terrain engine computer price snapshot
- Low
- $30
- Average
- $127
- High
- $413
Vehicle-specific price guide
How much is a used GMC Terrain engine computer?
Asking prices from 149 salvage yards in 33 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 updatedOct 22, 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 engine computer
What the engine computer does, common failure signs, and prices across all vehicles: used engine computer price guide →
Also known asECUECMPCMEngine Control ModuleEngine Control UnitPowertrain Control Module
Price summary
A used GMC Terrain engine computer costs $30 to $413, with a median asking price of $94. Based on 769 priced salvage yard listings across the US, compatible across 2013–2025 (13 model years), updated Oct 22, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$99
Grade B (good)$82
Grade C (fair)$61
USD
Condition comparison
Price by part grade
Grade AClean / low wear$40–$413496 listings
Grade BStandard used$50–$339186 listings
Grade CVisible wear$61–$653 listings
Grade XUngraded$30–$18084 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $40–$413 | 496 | |
| Grade BStandard used | $50–$339 | 186 | |
| Grade CVisible wear | $61–$65 | 3 | |
| Grade XUngraded | $30–$180 | 84 |
Median by grade
Grade price comparison
Grade A$99
Grade B$82
Grade C$61
Ungraded$100
Median asking price by seller-reported condition grade · $30–$413 overall range
Regional supply
Where the GMC Terrain engine computer is listed
We found priced GMC Terrain engine computer listings at 149 salvage yards across 33 states. California supplies the most, with 195 listings (21% of the total) from 29 yards. Location matters: yards in Mississippi ask a median $50, while Kentucky yards ask $172, 244% 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 |
|---|---|---|---|
| California | 195 | 29 | $75-20% |
| Arizona | 159 | 5 | $82-13% |
| Texas | 146 | 24 | $94 |
| Illinois | 106 | 6 | $146+55% |
| Florida | 58 | 7 | $63-33% |
| Mississippi | 53 | 3 | $50-47% |
| Michigan | 43 | 7 | $80-15% |
| Kentucky | 25 | 2 | $172+83% |
States with at least 10 priced listings. % is versus the $94 national median.
Replacement cost
What is the GMC Terrain engine computer replacement cost?
- Used part
- $94
- GMC Terrain median asking price
- Labor
- $95–$450
- 1–3 hours at $95–$150/hr
- Estimated total
- $190–$545
- median used part + labor
Labor is a typical independent-shop range for engine computer replacement, not a quote for your vehicle; it does not include programming and key relearn procedure. The part price is the live median from the salvage-yard listings on this page. Full engine computer replacement cost breakdown
Sources
- Labor time estimates: Part Price Guide labor database
Model-year comparison
What does a GMC Terrain engine computer cost by year?
2025100 listings$186$50 – $413202450 listingsFits 6 years$75$45 – $150202350 listingsFits 5 years$82$82 – $343202250 listingsFits 5 years$75$45 – $150202150 listingsFits 5 years$146$94 – $1862020100 listingsFits 7 years$75$45 – $1502019200 listingsFits 6 years$82$30 – $3332018200 listingsFits 6 years$97$30 – $325201750 listingsFits 3 years$146$61 – $175201650 listingsFits 4 years$100$75 – $200201550 listingsFits 4 years$75$40 – $75
Market analysis
How much does a used GMC Terrain engine computer cost?
Asking prices for a used GMC Terrain engine computer 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 62% premium over grade-C stock, with grade-A medians at $99.
Model year matters too: 2015 units carry the lowest median at $75, while 2025 tops the table at $186. Parts from 2013–2016 are interchangeable, so if the 2015 fits your vehicle, it offers the best value across 4 compatible years.
Against comparable vehicles, the GMC Terrain sits 16% below the Honda Accord ($112), 15% below the Honda Civic ($111), and 25% below the Hyundai Elantra ($126) for the same part. The “similar vehicles” cards below open each comparison guide.
Buying a used engine computer: what to check
- Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
- Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
- Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
- Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
- Check aluminum casing seals: Inspect housing screws and perimeter rubber gaskets for white oxidation or breaks that indicate past water intrusion.
Keep browsing this vehicle
What other GMC Terrain parts are priced?
01wide ±202%
Transmission Control Module
$96median
$20$407
02wide ±223%
Tail Light
$150median
$25$694
03wide ±273%
Car Radio
$106median
$20$599
04wide ±207%
Side Mirror
$150median
$25$646
05wide ±226%
Wheels
$187median
$35$880
06wide ±194%
Strut
$75median
$30$321
07wide ±151%
Axle Shaft
$102median
$34$343
08wide ±116%
Rear Bumper Assembly
$524median
$153$1,372
09wide ±141%
Front Seat
$175median
$67$559
10wide ±188%
Air Bag
$241median
$45$950
11wide ±186%
Headlight Assembly
$386median
$75$1,509
12wide ±213%
Center Console
$106median
$25$476
Price comparisons
Compare GMC Terrain engine computer prices
Engine Computercompare
HondaAccordvsGMCTerrain
Accord$112
Terrain$94
$18 diff8,974 listings
Engine ComputercompareHondaCivicvsGMCTerrain
Civic$111
Terrain$94
$17 diff8,809 listings
Engine ComputercompareHyundaiElantravsGMCTerrain
Elantra$126
Terrain$94
$32 diff8,365 listings
Engine ComputercompareHondaPilotvsGMCTerrain
Pilot$125
Terrain$94
$31 diff5,882 listings
Engine ComputercompareHyundaiTucsonvsGMCTerrain
Tucson$156
Terrain$94
$62 diff5,575 listings
Engine ComputercompareFordF250vsGMCTerrain
F250$250
Terrain$94
$156 diff4,934 listings
Compare fitments
What do similar vehicles charge for this part?
Acurawide ±167%
Acura ILX
$138median
$40$500
Acurawide ±153%
Acura Integra
$155median
$50$525
Acurawide ±219%
Acura MDX
$135median
$35$625
Acurawide ±162%
Acura RDX
$155median
$42$543
Acurawide ±208%
Acura TLX
$125median
$33$553
Audiwide ±174%
Audi A4
$175median
$35$644
Audiwide ±122%
Audi A6
$184median
$50$500
Audiwide ±188%
Audi Q3
$200median
$50$800
GMCwide ±182%
GMC Acadia
$95median
$40$385
GMCwide ±165%
GMC Canyon
$126median
$30$445
GMCwide ±150%
GMC Sierra 1500
$137median
$30$440
GMCwide ±123%
GMC Yukon
$150median
$40$410
Common questions
GMC Terrain engine computer FAQ
How much is a used engine computer for a GMC Terrain?
The median asking price is $94 across 769 priced listings from 149 yards. Grade-A units, the cleanest stock, have a median of $99. 2024 is the cheapest model year we track, with a median of $75.
How much does it cost to replace a GMC Terrain engine computer?
Using a used part, a GMC Terrain engine computer replacement typically runs $190–$545 all-in: the median used engine computer for this model lists at $94, and independent-shop labor for engine computer replacement typically takes 1–3 hours at $95–$150/hr ($95–$450). The labor figure does not include programming and key 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 engine computer years are interchangeable?
Salvage-yard interchange data links GMC Terrain engine computer fitments across 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. Searching all 13 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.