Description
Part Description
This engine control module (ECM) was removed from a 2002 Hyundai Sonata equipped with a 2.4L engine and automatic transmission. The unit has been professionally inspected and tested to ensure proper functionality. It is currently on our shelf and ready to ship immediately upon order.
The engine control module is the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and transmission shifting. Common reasons for ECM replacement include electrical failures, water damage, internal component failure, or corrosion of circuit boards. A faulty ECM can cause poor fuel economy, rough idling, stalling, or complete engine failure.
At 603 Auto Salvage, we maintain over 50,000 used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the exact ECM you need for your Hyundai Sonata. Browse our online inventory or contact us to verify compatibility and availability. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Control Module (ECM) – Electronic Control Unit |
| Interchange # | 59504 |
| OEM Part Number | 39012-38270 |
| Side | N/A |
| Part Grade | X — Good working condition, removed from center dash location, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules due to complexity of testing) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2002 HYUNDAI SONATA |
| VIN | N/A |
| Vehicle Stock # | PCM8270 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM) – Electronic Control Unit:
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Circuit Board | No visible damage or burn marks |
| ✅ Housing Integrity | Case is crack-free and properly sealed |
| ✅ Part Number Verification | Confirmed OEM part number 39012-38270 |
| ✅ Electrical Testing | Unit powers on and responds to diagnostic scan |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #59504, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2002 | Hyundai | Sonata | 2.4L engine with automatic transmission – Contact us for full compatibility verification |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this ECM work in my 2002 Hyundai Sonata?
This ECM is specifically for 2002 Sonata models with 2.4L automatic transmission. We recommend verifying your current part number matches 39012-38270 before ordering.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to match your vehicle’s VIN and security system. This should be done by a qualified technician with proper diagnostic equipment.
What are signs that my ECM is failing?
Common symptoms include engine stalling, poor fuel economy, rough idling, transmission shifting problems, or multiple warning lights on the dashboard.
How do I know if this is the right part number?
Check your current ECM for the part number 39012-38270 or contact us with your VIN for verification. The ECM is typically located in the center dash area.
Can I install this ECM myself?
While physically replacing the ECM is straightforward, programming requires professional diagnostic equipment. We recommend professional installation to ensure proper programming and functionality.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| OEM Part Number | 39012-38270 |
| Interchange Number | 59504 |
| Location | Center dash mounted |
| Engine Application | 2.4L automatic transmission |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $400-600 | 1 year | Brand new, longest wait time |
| Aftermarket | $250-400 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $150-250 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Take photos of connector positions before disconnection for reference
- Handle the ECM carefully and avoid static electricity by grounding yourself
- Ensure all connectors are fully seated and locked in place
- Have the new ECM programmed immediately after installation for proper operation
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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