Description
Part Description
This engine control module was removed from a 2011 GM truck equipped with a 6.0L engine and automatic transmission. The ECM has been professionally inspected by our technicians and is currently on the shelf ready for immediate shipment. This electronic control unit was located in the left front engine compartment of the donor vehicle.
The engine control module serves as the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and transmission operation. ECMs commonly fail due to electrical surges, water damage, or internal component degradation over time. When your ECM fails, you may experience no-start conditions, poor fuel economy, rough idle, or transmission shifting problems.
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 for your GM truck. Contact us today to verify compatibility and availability, or browse our extensive online inventory for additional engine management components. 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 # | 2473 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | C — Grade C – Good working condition from 200K mile vehicle, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic components with higher mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2011 GM TRUCKS SILV25 |
| VIN | N/A |
| Vehicle Stock # | 1031243361 |
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 intact and free of corrosion |
| ✅ Housing Integrity | No cracks or damage to ECM case |
| ✅ Water Damage | No signs of moisture intrusion |
| ✅ Circuit Board | Internal components visually inspected |
| ✅ Part Number Verification | Confirmed correct application |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #2473, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2011 | GM TRUCKS | SILV25 | 6.0L engine with automatic transmission – Contact us for full compatibility list |
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 2011 Silverado 2500?
This ECM is specifically for 6.0L engines with automatic transmission. We recommend verifying your engine size and transmission type before ordering. Contact us with your VIN for exact compatibility confirmation.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to match your vehicle’s VIN and security system. This typically needs to be done by a qualified technician with the proper diagnostic equipment.
What are signs that my engine control module is failing?
Common symptoms include check engine lights, no-start conditions, poor fuel economy, rough idle, stalling, and transmission shifting problems. A diagnostic scan can help confirm ECM-related fault codes.
Is this the same as a PCM or ECU?
ECM (Engine Control Module), PCM (Powertrain Control Module), and ECU (Engine Control Unit) are similar terms. This specific unit controls engine and transmission functions for your GM truck.
What causes engine control modules to fail?
ECMs commonly fail due to electrical voltage spikes, water damage, extreme temperatures, vibration, or simply age-related component degradation. Power surges from jump-starting or alternator issues are frequent causes.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 2473 |
| Stock Number | 1031243361 |
| Location | Left front engine compartment |
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 C, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Take photos of connector positions before disconnecting wiring harnesses
- Handle ECM carefully – avoid static electricity by grounding yourself first
- Ensure all connectors are fully seated and locked in place
- Have ECM programmed by qualified technician with proper scan tools
🔍 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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