Description
Part Description
This chassis brain box is an OEM electronic control module removed from a 2008 Volvo XC90. The unit was mounted on the transmission and carries ID number 00001312A5. This control module has been inspected by our technicians and is currently on the shelf ready for immediate shipment.
The chassis brain box is a critical electronic control unit that manages various vehicle systems including transmission functions, stability control, and other chassis-related operations. These modules commonly require replacement due to water damage, electrical faults, or corrosion of internal components. When this unit fails, drivers may experience transmission shifting issues, warning lights, or loss of stability control functions.
At 603 Auto Salvage, we maintain over 50,000 used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the exact chassis brain box or other Volvo parts you need. Browse our online inventory or call us to speak with a parts specialist about your specific requirements. 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 – Transmission Mounted Control Module |
| Interchange # | 66126 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | C — Grade C – Functional condition, transmission-mounted unit with ID 00001312A5, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 VOLVO XC90 |
| VIN | N/A |
| Vehicle Stock # | 0313237681 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box – Transmission Mounted Control Module:
| ✅ Connector Integrity | All electrical connectors inspected for damage and corrosion |
| ✅ Housing Condition | Control module housing checked for cracks or water damage |
| ✅ Mounting Points | Mounting brackets and hardware verified as intact |
| ✅ Internal Function | Electronic functionality tested where possible |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #66126, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008 | Volvo | XC90 | Contact us for full compatibility list – fitment may vary by transmission type |
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 Volvo XC90?
The chassis brain box is an electronic control module that manages transmission functions, stability control, and other chassis systems. It processes sensor data and controls various vehicle operations for optimal performance and safety.
How do I know if my chassis brain box needs replacement?
Common symptoms include transmission shifting problems, stability control warning lights, ABS or traction control malfunctions, and diagnostic trouble codes related to chassis or transmission control modules.
Does this part need programming after installation?
Yes, chassis brain boxes typically require programming or coding to match your specific vehicle’s configuration. This should be done by a qualified Volvo technician with the proper diagnostic equipment.
Will this fit other Volvo models besides the XC90?
This unit is specifically from a 2008 XC90, but some Volvo models may share similar modules. Contact us with your VIN number to verify compatibility with your specific vehicle and transmission type.
What causes chassis brain box failure in Volvo vehicles?
Common causes include water intrusion, electrical surges, component aging, and corrosion of internal circuits. The transmission-mounted location can expose these units to heat and moisture over time.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Unit ID Number | 00001312A5 |
| Interchange Number | 66126 |
| Mounting Location | Transmission Mounted |
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 or installing the control module
- Take photos of connector positions before disconnection for reference
- Handle the module carefully to avoid static electricity damage
- Ensure all connections are clean and properly seated before testing
- Have the module programmed by a qualified technician 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
- 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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