Description
Part Description
This Grade A Engine Control Module (ECM) was removed from a 2012 Hyundai Sonata equipped with a 2.4L engine and automatic transmission. The unit carries ID number 391112G672 and was designed for Canada emissions specifications. Our technicians have inspected this electronic control unit and it is currently on the shelf ready to ship.
The Engine Control Module serves as the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and other critical engine functions. ECMs commonly fail due to electrical surges, water damage, or internal component degradation over time, causing symptoms like poor fuel economy, rough idling, stalling, or check engine lights that won’t clear.
At 603 Auto Salvage, we maintain over 50,000 quality used parts in stock from more than 1,100 vehicles. Our experienced team can help you find the exact ECM or any other component you need. Call us today or browse our online inventory to get your Hyundai back on the road. 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 Brain Box |
| Interchange # | 53453 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, inspected and ready to ship. ID 391112G672, 2.4L VIN C, AT, Canada emissions |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2012 HYUNDAI SONATA |
| VIN | N/A |
| Vehicle Stock # | 0317238189 |
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 Brain Box:
| ✅ Connector Pins | All pins straight and corrosion-free |
| ✅ Housing Integrity | No cracks or damage to ECM case |
| ✅ Circuit Board | Internal components visually inspected |
| ✅ Mounting Points | All mounting tabs intact |
| ✅ ID Numbers | Part number 391112G672 verified |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #53453, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2012 | Hyundai | Sonata | 2.4L engine, VIN C (8th digit), automatic transmission, Canada emissions |
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 2012 Hyundai Sonata?
This ECM fits 2012 Sonata models with 2.4L engine (VIN C as 8th digit) and automatic transmission with Canada emissions. The ECM may need programming to match your vehicle’s VIN.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming or flashing to match your specific vehicle’s VIN and options. This service is typically performed by a dealership or qualified automotive technician.
What are signs that my ECM is failing?
Common symptoms include check engine lights, poor fuel economy, rough idling, stalling, hard starting, or transmission shifting issues. A diagnostic scan can help confirm ECM problems.
Is this the same as a PCM or ECU?
ECM (Engine Control Module), PCM (Powertrain Control Module), and ECU (Electronic Control Unit) are often used interchangeably. This unit specifically controls engine functions in your Sonata.
What causes ECM failure in Hyundai vehicles?
ECMs can fail due to electrical surges, water damage, corrosion, overheating, or internal component wear over time. Power supply issues and wiring problems can also damage the module.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| ECM ID Number | 391112G672 |
| Engine Code | VIN C (8th digit) |
| Transmission | Automatic |
| Emissions | Canada |
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 | $100-150 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $75 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Take photos of wiring connections before disconnection for reference
- Handle ECM carefully – avoid static electricity and moisture exposure
- ECM will likely need programming/flashing at dealership after installation
- Clear diagnostic codes after installation and programming is complete
🔍 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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