Used GMC Sierra 1500 engine computer from a salvage yard

Vehicle-specific price guide

How much is a used GMC Sierra 1500 engine computer?

Asking prices from 265 salvage yards in 34 states, broken down by model year, condition grade, and fitment variant.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedSep 21, 2026
Strong coverage1,840 priced of 2,168 observed4 variantsMethodology v2.1 →

Part overview

About the GMC Sierra 1500 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 Sierra 1500 engine computer costs $30 to $440, with a median asking price of $137. Based on 1,840 priced salvage yard listings across the US, compatible across 2014–2026 (13 model years), updated Sep 21, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$126
Grade B (good)$166
Grade C (fair)$150

GMC Sierra 1500 engine computer price snapshot

USD
Low
$30
Average
$146
High
$440
2,168 listings observed · 1,840 priced1mo ago· How we price·

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Reporting price for GMC Sierra 1500 Engine Computer

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Condition comparison

Price by part grade

Grade AClean / low wear$30–$4401,030 listings
Grade BStandard used$40–$371670 listings
Grade CVisible wear$55–$1506 listings
Grade XUngraded$40–$400134 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $30–$440 overall range

Regional supply

Where the GMC Sierra 1500 engine computer is listed

We found priced GMC Sierra 1500 engine computer listings at 265 salvage yards across 34 states. California supplies the most, with 608 listings (33% of the total) from 53 yards. Location matters: yards in Ohio ask a median $75, while Nevada yards ask $172, 129% more for the same part. Shipping usually costs less than that gap for smaller parts, so it can pay to buy out of state.

StateListingsYardsMedian ask
California60853$150+9%
Texas46444$161+18%
Illinois21111$126-8%
Florida11912$99-28%
Ohio565$75-45%
Nevada427$172+26%
Colorado389$153+12%
Mississippi364$129-6%

States with at least 10 priced listings. % is versus the $137 national median.

Replacement cost

What is the GMC Sierra 1500 engine computer replacement cost?

ESTIMATE
Used part
$137
GMC Sierra 1500 median asking price
Labor
$95–$450
1–3 hours at $95–$150/hr
Estimated total
$230–$585
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
  1. Labor time estimates: Part Price Guide labor database

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Alert for GMC Sierra 1500 Engine Computer

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Current avg: $146 — we suggest $124 (15% below)

Condition grade (optional)

Fitment matters

Price by trim & variant (2025)

Electronic Control Module, (LH front engine compartment), 5.3L47 listingsInterchange 2025–2026$75$75 – $250
Electronic Control Module, (LH front engine compartment), 6.2L47 listingsInterchange 2025–2026$75$75 – $250
Electronic Control Module, (LH front engine compartment), 2.7L46 listingsInterchange 2022–2025$103$50 – $341

Model-year comparison

What does a GMC Sierra 1500 engine computer cost by year?

$36$71$106$141$17520152016201720182019202020212022202320242025
Median asking price by model year · salvage yard listing data

Market analysis

How much does a used GMC Sierra 1500 engine computer cost?

Asking prices for a used GMC Sierra 1500 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.

Fitment variant moves the price more than most buyers expect. The most affordable variant we track, Electronic Control Module, (LH front engine compartment), 5.3L, lists at a $75 median, while Electronic Control Module, (LH front engine compartment), 3.0L commands $215, a 187% gap inside the same part category. Confirm which variant your VIN requires before comparing quotes.

Model year matters too: 2015 units carry the lowest median at $40, while 2019 tops the table at $167. Parts from 2014–2016 are interchangeable, so if the 2015 fits your vehicle, it offers the best value across 3 compatible years.

Against comparable vehicles, the GMC Sierra 1500 sits 22% above the Honda Accord ($112), 23% above the Honda Civic ($111), and 9% above 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

  1. Match hardware and service numbers: Ensure hardware revision codes and circuit board part numbers match exactly, as pinouts change mid-model year.
  2. Inspect multi-pin connector headers: Check header pins for bending, green copper oxidation, or burnt circuit board traces inside the wiring sockets.
  3. Verify immobilizer programming requirements: Plan for anti-theft security relearn procedures or ECU re-flashing before the replacement computer will start the engine.
  4. Confirm donor transmission and emissions spec: Ensure the donor vehicle used the same transmission type and regional emissions package to prevent fault codes.
  5. 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 Sierra 1500 parts are priced?

Price comparisons

Compare GMC Sierra 1500 engine computer prices

Compare fitments

What do similar vehicles charge for this part?

Common questions

GMC Sierra 1500 engine computer FAQ

How much is a used engine computer for a GMC Sierra 1500?

The median asking price is $137 across 1,840 priced listings from 265 yards. Grade-A units, the cleanest stock, have a median of $126. 2015 is the cheapest model year we track, with a median of $40.

How much does it cost to replace a GMC Sierra 1500 engine computer?

Using a used part, a GMC Sierra 1500 engine computer replacement typically runs $230–$585 all-in: the median used engine computer for this model lists at $137, 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 Sierra 1500 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 Sierra 1500 engine computer years are interchangeable?

Salvage-yard interchange data links GMC Sierra 1500 engine computer fitments across 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026. 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.

Used GMC Sierra 1500 Engine Computer Cost — From $30 to $440