Description
Part Description
This engine control module (ECM) was removed from a 2011 Toyota Prius and has been professionally inspected. The ECM, also known as the engine brain box, carries OEM part number 89661-47390 and is responsible for managing critical engine functions. This unit has been tested and is ready to ship from our facility.
The engine control module is the central computer that controls fuel injection, ignition timing, emissions systems, and other vital engine operations. Common reasons for ECM replacement include water damage, electrical failures, internal circuit board damage, or corrosion from environmental exposure. A faulty ECM can cause no-start conditions, poor fuel economy, rough idle, or trigger multiple check engine lights.
603 Auto Salvage maintains over 50,000 quality used auto parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the right ECM for your Toyota Prius or verify compatibility with other hybrid models. Contact us today or browse our extensive online inventory to find the parts you need. 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 # | 53133 |
| OEM Part Number | 89661-47390 |
| Side | N/A |
| Part Grade | C — Grade C – Good working condition, tested and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules and computer components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2011 TOYOTA PRIUS |
| VIN | N/A |
| Vehicle Stock # | 0530233317 |
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:
| ✅ Electrical connections | All connector pins clean and undamaged |
| ✅ Housing integrity | Case free from cracks or water damage |
| ✅ Circuit board condition | Internal components visually inspected |
| ✅ Programming verification | Unit responds to diagnostic communication |
| ✅ Mounting points | All mounting tabs and brackets intact |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #53133, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2010-2015 | Toyota | Prius | Standard hybrid model, verify part number match |
| 2011-2013 | Toyota | Prius V | Wagon variant, confirm ECM compatibility |
| 2012-2015 | Toyota | Prius C | Compact hybrid, verify application |
| 2012-2015 | Toyota | Prius Plug-in | Contact us to verify fitment for other years and models |
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 2011 Toyota Prius?
Yes, this ECM will need to be programmed by a Toyota dealer or qualified technician with the proper diagnostic equipment. The unit must be coded to your vehicle’s VIN and specifications.
What are signs that my Prius ECM is failing?
Common symptoms include no-start conditions, multiple check engine lights, poor fuel economy, rough idle, or the hybrid system not engaging properly. Professional diagnosis is recommended to confirm ECM failure.
Is this the same as a PCM or ECU?
Yes, ECM (Engine Control Module), PCM (Powertrain Control Module), and ECU (Electronic Control Unit) are often used interchangeably. This unit specifically controls engine and hybrid system functions in the Prius.
Can I install this ECM myself?
While the physical installation is straightforward, programming requires dealer-level diagnostic equipment. Most customers have the unit professionally installed and programmed at a Toyota service center.
How do I verify this is the correct ECM for my vehicle?
Check your current ECM part number (89661-47390) or provide your VIN when contacting us. We can verify compatibility and ensure this unit will work with your specific Prius model and year.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Toyota Part Number | 89661-47390 |
| Interchange Number | 53133 |
| Location | Right hand dash area |
| Stock Number | 0530233317 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $800-$1,200 | 1 year | Brand new, longest wait time |
| Aftermarket | $400-$600 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $125-$200 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $75 | 90-Day Warranty | Tested, Grade C, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before removing old ECM
- Take photos of connector positions before disconnection
- Handle unit by edges only, avoid touching circuit board components
- Ensure all connectors are fully seated and locked in place
- Have vehicle towed to dealer for programming – do not attempt to drive
🔍 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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