Description
Part Description
This Engine Control Module (ECM) was removed from a 2008 GM Trucks Colorado and has been professionally inspected and tested. The unit is located on the right-hand firewall and is designed for 2.9L engines with automatic transmissions. Auto ID 12607096 confirms proper identification. This ECM is currently on our shelf and ready for immediate shipment.
The Engine Control Module is the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and transmission functions. 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, transmission shifting problems, or various engine performance issues that require immediate replacement.
At 603 Auto Salvage, we maintain over 50,000 used auto parts in stock from more than 1,100 vehicles. Our ECMs are tested for proper function before being placed on the shelf. Need help with compatibility or programming requirements? Call us or browse our extensive online inventory to find the exact part you need 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 | Engine Control Module (ECM) – Right Hand Firewall Mount |
| Interchange # | 8112 |
| OEM Part Number | 12607096 |
| Side | N/A |
| Part Grade | C — Grade C – Functional condition from 204K mile vehicle, inspected and ready to ship |
| Warranty | 30-Day Warranty (Standard coverage for high-mileage electronic components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 GM TRUCKS COLORA |
| VIN | N/A |
| Vehicle Stock # | 0120251627 |
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) – Right Hand Firewall Mount:
| ✅ Electrical Connections | All connector pins clean and undamaged |
| ✅ Circuit Board Inspection | No visible damage or corrosion on internal components |
| ✅ Case Integrity | Housing free from cracks or water damage |
| ✅ Auto ID Verification | Confirmed Auto ID 12607096 matches application |
| ✅ Functional Testing | Module powers up and communicates properly |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #8112, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008 | GM Trucks | Colorado | 2.9L 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
Does this ECM need to be programmed after installation?
Yes, most ECMs require programming to your vehicle’s VIN and may need key programming. We recommend having this done by a qualified technician with proper diagnostic equipment.
How do I know if my ECM is failing?
Common symptoms include no-start conditions, poor fuel economy, transmission shifting problems, multiple warning lights, or engine performance issues. A diagnostic scan can confirm ECM-related trouble codes.
Will this ECM fit other GM truck models besides Colorado?
This specific Auto ID 12607096 is designed for 2008 Colorado with 2.9L engine. Contact us to verify compatibility with other GM truck models using interchange #8112.
What’s included with the ECM purchase?
You receive the Engine Control Module only. Programming, installation, and any required keys or security procedures are not included and must be performed separately.
Can I return this ECM if it doesn’t solve my problem?
Returns are accepted within our warranty period if the part is defective. However, ECMs that don’t resolve issues due to other vehicle problems or programming issues may not be returnable.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| GM Auto ID | 12607096 |
| Interchange Number | 8112 |
| Stock Number | 0120251627 |
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 | 30-Day Warranty | Tested, Grade C, 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
- Have vehicle towed to programming location as it may not start until programmed
- Keep all original keys available for security system programming
🔍 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
- 30-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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