Description
Part Description
This OEM chassis brain box is a telematics module/transceiver pulled from a 2020 Toyota Tacoma donor vehicle. The electronic control unit has been professionally inspected and tested to ensure proper functionality. It is currently on our shelf and ready for immediate shipment to get your vehicle back on the road.
The chassis brain box serves as a critical communication hub in modern Toyota vehicles, managing telematics functions, GPS navigation data, and vehicle connectivity features. These modules commonly require replacement due to software corruption, water damage from leaks, or electrical failures that can cause connectivity issues and dashboard warning lights.
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 part you need for your Toyota. Call us today or browse our online inventory to find additional parts for your vehicle repair project. 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 – Telematics Module/Transceiver |
| Interchange # | 15874 |
| OEM Part Number | 86741-0E061 |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and tested, ready to ship from shelf |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2020 TOYOTA TRUCKS TACOMA |
| VIN | N/A |
| Vehicle Stock # | TRAN2020 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box – Telematics Module/Transceiver:
| ✅ Connector Integrity | All electrical connectors clean and undamaged |
| ✅ Housing Condition | Module housing free from cracks or water damage |
| ✅ Mounting Points | All mounting tabs and brackets intact |
| ✅ Circuit Board | Internal components visually inspected for damage |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #15874, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2019-2022 | Toyota | Tacoma | Verify OEM part number match |
| 2019-2022 | Toyota | Tundra | Verify OEM part number match |
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 Tacoma?
The chassis brain box is a telematics control module that manages vehicle connectivity, GPS functions, and communication systems. It processes data for features like remote start, vehicle tracking, and emergency services.
How do I know if my Toyota Tacoma chassis brain box is failing?
Common symptoms include loss of connectivity features, GPS navigation errors, dashboard warning lights, or inability to use remote services. A diagnostic scan can confirm module failure codes.
Will this chassis brain box work in my 2020 Toyota Tacoma?
This module fits 2019-2022 Toyota Tacoma and Tundra models with OEM part number 86741-0E061. Verify your current part number matches before ordering to ensure proper compatibility.
Does this telematics module need programming after installation?
Yes, most chassis brain boxes require dealer or qualified technician programming to sync with your specific vehicle’s systems. Contact your Toyota dealer or qualified shop for programming services.
What causes Toyota chassis brain box failure?
Common causes include water intrusion from sunroof or door seal leaks, electrical surges, software corruption, or normal wear over time. Physical damage from accidents can also damage these modules.
Is this an original Toyota part or aftermarket?
This is a genuine OEM Toyota part with original part number 86741-0E061, removed from a donor vehicle. It maintains original specifications and quality compared to aftermarket alternatives.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Toyota OEM Part Number | 86741-0E061 |
| Interchange Number | 15874 |
| Part Classification | Telematics Control Module |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-650 | 1 year | Brand new, longest wait time |
| Aftermarket | $300-450 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $275-350 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $250 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old module to prevent electrical damage
- Take photos of connector positions before disconnection for proper reinstallation
- Handle module carefully – avoid static electricity and moisture exposure
- Schedule dealer programming appointment before installation to minimize downtime
🔍 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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