Used Cadillac CT5 engine computer from a salvage yard

Vehicle-specific price guide

How much is a used Cadillac CT5 engine computer?

Asking prices from 136 salvage yards in 24 states, broken down by model year, condition grade, and fitment variant.
SKWritten bySaurabh Kumar · Co-Founder & CTO
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedOct 17, 2026
Strong coverage583 priced of 632 observed2 variantsMethodology v2.1 →

Part overview

About the Cadillac CT5 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 Cadillac CT5 engine computer costs $40 to $548, with a median asking price of $169. Based on 583 priced salvage yard listings across the US, compatible across 2018–2026 (9 model years), updated Oct 17, 2026. Prices exclude shipping, core charges, and installation.

Grade A (excellent)$186
Grade B (good)$152
Grade C (fair)$97

Cadillac CT5 engine computer price snapshot

USD
Low
$40
Average
$184
High
$548
632 listings observed · 583 priced11d ago· How we price·

Report incorrect price

Reporting price for Cadillac CT5 Engine Computer

Reason

Condition comparison

Price by part grade

Grade AClean / low wear$50–$548430 listings
Grade BStandard used$50–$376102 listings
Grade CVisible wear$60–$972 listings
Grade XUngraded$40–$53049 listings

Median by grade

Grade price comparison

Median asking price by seller-reported condition grade · $40–$548 overall range

Regional supply

Where the Cadillac CT5 engine computer is listed

We found priced Cadillac CT5 engine computer listings at 136 salvage yards across 24 states. Illinois supplies the most, with 177 listings (30% of the total) from 15 yards. Location matters: yards in California ask a median $65, while Wisconsin yards ask $250, 285% 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
Illinois17715$186+10%
Arizona7514$110-35%
Michigan4915$218+29%
Wisconsin438$250+48%
Indiana397$159-6%
Florida389$80-53%
California3213$65-62%
Ohio278$169

States with at least 10 priced listings. % is versus the $169 national median.

Replacement cost

What is the Cadillac CT5 engine computer replacement cost?

ESTIMATE
Used part
$169
Cadillac CT5 median asking price
Labor
$95–$450
1–3 hours at $95–$150/hr
Estimated total
$265–$620
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

Set price alert

Alert for Cadillac CT5 Engine Computer

$

Current avg: $184 — we suggest $156 (15% below)

Condition grade (optional)

Fitment matters

Price by trim & variant (2025)

Electronic Control Module, 2.0L32 listingsInterchange 2022–2026$186$78 – $215
Electronic Control Module, 3.0L32 listingsInterchange 2020–2025$218$95 – $495

Model-year comparison

What does a Cadillac CT5 engine computer cost by year?

$113$137$161$186$210202020212022202320242025
Median asking price by model year · salvage yard listing data

Market analysis

How much does a used Cadillac CT5 engine computer cost?

Asking prices for a used Cadillac CT5 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 92% premium over grade-C stock, with grade-A medians at $186.

Fitment variant moves the price more than most buyers expect. The most affordable variant we track, Electronic Control Module, 2.0L, lists at a $186 median, while Electronic Control Module, 3.0L commands $218, a 17% gap inside the same part category. Confirm which variant your VIN requires before comparing quotes.

Model year matters too: 2024 units carry the lowest median at $125, while 2023 tops the table at $200. Parts from 2018–2025 are interchangeable, so if the 2024 fits your vehicle, it offers the best value across 8 compatible years.

Against comparable vehicles, the Cadillac CT5 sits 51% above the Honda Accord ($112), 52% above the Honda Civic ($111), and 34% 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 Cadillac CT5 parts are priced?

Price comparisons

Compare Cadillac CT5 engine computer prices

Compare fitments

What do similar vehicles charge for this part?

Common questions

Cadillac CT5 engine computer FAQ

How much is a used engine computer for a Cadillac CT5?

The median asking price is $169 across 583 priced listings from 136 yards. Grade-A units, the cleanest stock, have a median of $186. 2024 is the cheapest model year we track, with a median of $125.

How much does it cost to replace a Cadillac CT5 engine computer?

Using a used part, a Cadillac CT5 engine computer replacement typically runs $265–$620 all-in: the median used engine computer for this model lists at $169, 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 Cadillac CT5 model years does this price guide cover?

This guide currently has year-level pricing for 2025, 2024, 2023, 2022, 2021, 2020. Other model years contribute to the overall range where sellers listed them without a year breakdown.

Which Cadillac CT5 engine computer years are interchangeable?

Salvage-yard interchange data links Cadillac CT5 engine computer fitments across 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026. Searching all 9 years widens the pool of units; confirm the part number against your VIN, since trim or drivetrain can split an interchange group.

Used Cadillac CT5 Engine Computer Cost — From $40 to $548