Overview
The FOXWELL BT705 tests 12V and 24V batteries and charging systems, with OBD2 scanning and ABS bleed support on compatible FOXWELL configurations.
Whether you are troubleshooting a check engine light, preparing for an emissions test, or performing scheduled maintenance, the BT705 gives you the module access and service functions you need without booking a dealer appointment. On-screen menus walk you through each step, and stored scan reports help you track repairs over time.
Key Features
- 12V and 24V battery and cranking system analysis
- Charging system (alternator) test
- OBD2 code reading on supported configurations
- Printable test reports
What You Can Diagnose
The BT705 helps you identify root causes faster by reading fault codes, live sensor values, and module status across the systems it supports:
- Check engine light (MIL) and powertrain fault codes
- Oxygen sensor, fuel trim, and emissions-related DTCs
- Evaporative emissions (EVAP) system faults
- Catalyst efficiency and misfire monitor status
- Freeze frame data captured at the moment of failure
Service & Maintenance Functions
Beyond reading codes, this scanner runs guided service routines that save money on dealer labor. Available functions depend on your vehicle make, model, and year:
- ABS bleed (when bundled with compatible scanner firmware)
How to Use This Tool
Plug the BT705 into your vehicle's 16-pin OBD2 port (usually under the dashboard). Turn the ignition to ON — the tool powers from the vehicle and guides you through reading codes in seconds. Use the built-in DTC library to understand each fault, then clear codes after repairs and re-scan to confirm the fix.
Vehicle Compatibility
12V/24V commercial and passenger batteries. OBD2 and ABS functions depend on bundled scanner model — verify your kit.
Always verify that your exact year, make, model, and engine combination is supported before purchase — especially for service resets, bi-directional tests, and brand-specific modules. OBD2 port location is typically under the driver-side dashboard on U.S. vehicles from 1996 onward.
Who Should Buy This
Fleet maintenance, diesel pickups, and shops testing both batteries and basic vehicle codes.
If you regularly work on your own vehicles, run a small repair shop, or buy used cars to flip, the BT705 pays for itself quickly compared to per-visit dealer diagnostics.
Why Choose FOXWELL
For everyday check-engine diagnostics, FOXWELL code readers deliver dealer-level code definitions and live data without a monthly fee. They are easier to use than phone apps, work offline in any garage, and pay for themselves after a single avoided dealer diagnostic visit.
Connectivity & Software Updates
USB when used with OBD2 functions. Free updates for OBD2 features. Keep firmware current to maintain the widest vehicle coverage and access to newly added service functions.
