Description
Part Description
This OEM Electronic Control Module (ECM) was removed from a 2015 Chevrolet Impala equipped with the 3.6L LFX engine (VIN code 3). The unit carries ID number 12651994 and has been professionally inspected to ensure proper functionality. This engine brain box is currently on our shelf and ready for immediate shipment to get your vehicle back on the road.
The Electronic Control Module serves as the central computer for your engine management system, controlling fuel injection, ignition timing, emissions systems, and various engine sensors. ECMs commonly fail due to electrical surges, water damage, or internal component degradation over time. When your ECM fails, symptoms include no-start conditions, rough idling, poor fuel economy, or various engine warning lights on your dashboard.
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 you need and provide programming guidance. Call us today or browse our extensive online inventory to find the right part for your repair. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Electronic Control Module (ECM) – Engine Brain Box |
| Interchange # | 8060 |
| OEM Part Number | 12651994 |
| Side | N/A |
| Part Grade | A — Grade A – 158K miles, good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic components with moderate mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2015 CHEVROLET IMPALA |
| VIN | N/A |
| Vehicle Stock # | 1214247079 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Electronic Control Module (ECM) – Engine Brain Box:
| ✅ Connector Integrity | All electrical connectors checked for damage and corrosion |
| ✅ Housing Condition | ECM case inspected for cracks, water damage, or physical damage |
| ✅ Pin Connections | All pins verified straight and properly seated |
| ✅ Internal Function | Module tested for proper electrical response |
| ✅ ID Verification | Part number 12651994 confirmed and documented |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #8060, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2014-2016 | Chevrolet | Impala | 3.6L LFX engine, VIN 3 (8th digit), requires programming |
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
Does this ECM need to be programmed for my 2015 Impala?
Yes, this ECM will require programming to your vehicle’s VIN and security system. Most automotive locksmiths or dealerships can perform this service. The module must be programmed before installation.
How do I know if my Impala ECM is failing?
Common symptoms include engine not starting, rough idle, stalling, poor fuel economy, check engine light, or multiple warning lights on the dashboard. A diagnostic scan can confirm ECM-related trouble codes.
Will this ECM fit other Chevrolet models besides the Impala?
This specific ECM is designed for 2014-2016 Impala models with the 3.6L LFX engine. While other GM vehicles may use similar modules, exact compatibility depends on engine type, transmission, and vehicle options.
What causes ECM failure in Chevrolet vehicles?
ECMs can fail due to electrical surges, water damage from flooding, overheating, vibration damage, or simply age-related component degradation. Power supply issues and corroded connections are also common causes.
Can I install this ECM myself?
While the physical installation involves unplugging the old module and plugging in the replacement, professional programming is required afterward. The ECM location varies but is typically in the engine compartment or under the dashboard.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| GM Part ID | 12651994 |
| Engine Code | LFX (VIN 3) |
| Vehicle VIN Position | VIN 1 (4th digit) |
| Interchange Number | 8060 |
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 | $125-175 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade A, 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 module carefully and avoid static electricity discharge
- Ensure all connectors are fully seated and locked in place
- Have the module programmed before attempting to start the vehicle
🔍 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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