Description
Part Description
This OEM chassis brain box is a genuine Toyota steering control module removed from a 2014 Prius V donor vehicle. The part has been professionally inspected and is currently on our shelf, ready for immediate shipment. This electronic control unit was located on the left-hand side of the dashboard and carries Toyota part ID 89650-47421.
The chassis brain box serves as a critical steering system control module in the Toyota Prius V, managing electronic steering functions and communication with other vehicle systems. These units commonly require replacement due to electronic component failure, water damage from windshield leaks, or accident damage to the dashboard area. When this module fails, drivers may experience steering assist problems, warning lights, or complete loss of power steering functionality.
603 Auto Salvage maintains over 50,000 used auto parts in stock from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help verify compatibility and arrange fast shipping for your Toyota Prius repair. Contact us to confirm fitment for your specific vehicle or browse our extensive online inventory for additional Prius parts. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Chassis Brain Box – Steering Control Module (Left Hand Dash) |
| Interchange # | 54933 |
| OEM Part Number | 89650-47421 |
| Side | N/A |
| Part Grade | C — Grade C – Functional condition from 209K mile vehicle, inspected and ready to ship |
| Warranty | 60-Day Warranty (Standard warranty for electronic control modules over 200K miles) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2014 TOYOTA PRIUS |
| VIN | N/A |
| Vehicle Stock # | 0505254894 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box – Steering Control Module (Left Hand Dash):
| ✅ Electronic Module Housing | Inspected for cracks, water damage, and physical integrity |
| ✅ Connector Pins | Verified all electrical connections are clean and undamaged |
| ✅ Part Number Verification | Confirmed Toyota ID 89650-47421 matches application |
| ✅ Internal Components | No visible corrosion or component damage detected |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #54933, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2012-2017 | Toyota | Prius V | VIN EU (7th and 8th digit) – Contact us for full compatibility verification |
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
What is a chassis brain box in a Toyota Prius?
The chassis brain box is an electronic control module that manages steering system functions and communicates with other vehicle control systems. It’s typically mounted in the left side of the dashboard area.
How do I know if my Prius chassis brain box is failing?
Common symptoms include power steering warning lights, loss of steering assist, erratic steering behavior, or multiple dashboard warning lights appearing simultaneously.
Does this part need programming after installation?
Most Toyota chassis brain boxes require initialization or programming by a qualified technician with proper diagnostic equipment. Contact your installer about programming requirements.
Will this fit my 2014 Prius regular model?
This specific part is for Prius V models with VIN code EU in positions 7-8. Regular Prius models may use different part numbers – contact us to verify compatibility for your specific VIN.
What tools are needed to replace a chassis brain box?
Replacement typically requires dashboard disassembly tools, basic hand tools, and diagnostic equipment for programming. Professional installation is recommended due to the complexity of the procedure.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Toyota Part ID | 89650-47421 |
| Vehicle Application | 2014 Prius V (VIN EU) |
| Location | Left Hand Dashboard |
| Interchange Number | 54933 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $350-500 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-350 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $125-175 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 60-Day Warranty | Tested, Grade C, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before beginning work on electronic modules
- Take photos of connector positions before removal to ensure proper reconnection
- Handle the module carefully and avoid static electricity damage during installation
- Professional programming or initialization will likely be required after installation
🔍 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
- 60-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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