5 Best Bidirectional Scan Tool & Honest Reviews 2023

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A bidirectional scan tool, also known as a bidirectional scanner, is a device that may be plugged into a vehicle’s diagnostic port and used to both read and write information to the vehicle’s electronic control units (ECUs) and other modules.

The many modules in today’s automobiles work together to form a seamless whole. However, whether or not a module and the range of options available for interacting with it relies on the quality of the scan tool used.

The ability to test actuators and conduct output tests to activate and deactivate the systems of the cars to test and evaluate their functionality is another exciting aspect of bidirectional scan tools.

The newer generation of OBD2 scanners is affordable and versatile, eliminating the need to take your car to the parts store.

1. Thinkcar OBD2 Scanner, Thinktool Mini Pro
Thinkcar OBD2 Scanner Thinktool Mini Pro

Thinkcar OBD2 Scanner, Thinktool Mini Pro

Thinkcar diagnostic software offers a wide variety of robust testing options and delivers highly reliable diagnostic information.

The ThinkTool Mini 2 is a professional-grade diagnostic tool at a fraction of the price. Better scans, diagnoses, and repairs may be performed with the help of Bidirectional Control since it reveals whether or not individual actuators, valves, and pumps operate as intended. If you’ve ever had to repair or replace an ECU module, you know how important it is to have access to the original ECU coding to restore all of the module’s settings and parameters.

The Thinktool Mini OBD2 Scanner can perform in-depth detection and diagnosis on all accessible electronic control modules, including the engine, abs, srs, sas, bcm system, suspension system, etc., thanks to its cutting-edge technology and comprehensive software. In addition, the Thinktool Mini’s wireless connectivity makes it more practical and efficient than wired diagnostic tools. Five to ten meters is the typical diagnostic distance.

The thinktool tiny diagnostic tool also has a wide range of the most frequently used specialized capabilities.

Most Android tablets only provide one year of free updates before charging a fee for subsequent years. But the vehicle scanner will give you free updates for life. So you may always have the most up-to-date software, including patches or bug fixes. In addition, the professional automotive scanner can analyze problems with its sensitive touchscreen and powerful 4-core CPU.

Highlighted Features:

  • Lifetime free update
  • Share real-time Diagnostic Report
  • It’s Cost-effective
  • High configuration software
  • Read & clear codes

2. Autel Scanner MaxiPRO MP808 OBD2 Diagnostic
Autel Scanner MaxiPRO MP808 OBD2 Diagnostic

Autel Scanner MaxiPRO MP808 OBD2 Diagnostic

The diagnostic tablet Autel MP808 has full diagnostic capabilities and is user-friendly. 

A high-end OEM scanner allows for precise vehicle customization via advanced ECU coding. Coding in the Cloud works with Volkswagen, Audi, BMW, Porsche, etc. Nissan, Nissan-GTR, Infiniti, Hyundai, etc.

A vehicle’s electronic control units (ECUs) can be controlled, monitored, and commanded with this LAUNCH bidirectional scan tool. This bidirectional scanner can help you pinpoint the precise location of automotive problems by actively testing various systems, components, and subsystems, such as the fuel pump, air conditioner fan, interior mirrors, headlights, windows, and horns.

This universal scanner can diagnose and analyze ECM, TCM, ABS, SRS, BCM, BMS, TPMS, A/C systems, and more at the OE level. The X431 V+ 4.0 can diagnose the health of 100000+ models by reading/erasing codes, monitoring live data, extracting ECU information, and running functional tests and service operations. Once-a-week updates allow for coverage of the most recent models to be added quickly.

The LAUNCH X431 V+ 4.0 automobile scanner boasts a powerful processor, Android 9.0 OS, and a massive 128GB of expandable storage space. 

Highlighted Features:

  • Full bi-directional control
  • Auto VIN identification
  • Multiple languages
  • Data stream record and playback

3. TOPDON Phoenix Lite 2, Wireless Automotive
TOPDON Phoenix Lite 2 Wireless Automotive

TOPDON Phoenix Lite 2, Wireless Automotive

The Phoenix Lite 2’s enhanced 4-core 2.0Ghz, 2G RAM, and 32G ROM make it a more responsive and quick device. In addition, a new feature in Android 10.0 is blazing-fast system interaction.

For many vehicles, the Phoenix Lite 2 scan tool can be used for online/ECU coding, which aids in matching and coding after ECU replacement. This includes the Light Module, the ABS Module, and the unlocking of hidden features like the movement pointer and horn alerts when locking and unlocking the vehicle.

The Phoenix Lite 2 is a system diagnostic tool that can read data streams, clear fault codes, and do ECU lookups for over 200 different models. In addition, providing a whopping 28 different types of servicing, including oil reset, EPB reset, and suspension reset. For a complete list of the capabilities of a particular system, please see its specialized menu.

V.A.G Guided Function with step-by-step procedures is available on the Phoenix Lite 2 auto diagnostic tool, which facilitates a rapid and precise vehicle diagnosis. For example, if you own a Volkswagen, Skoda, or Seat, just follow the on-screen prompts to use this feature. 

The Phoenix Lite 2 is a Bi-Directional Control Scanner that may be used to confirm the diagnosis and target repairs using strong, active actuator tests, identifying issues with components including the Fuel Injector, Coolant Pump and Fans, EGR Valve, and more.

Support for FCA Gateway Access means that you can use the TOPDON Phoenix Lite 2 with modern Chrysler, Dodge, Jeep, Alfa Romeo, and Fiat vehicles to perform diagnostic tasks like clearing diagnostic trouble codes (DTCs), running functional tests, reading diagnostic trouble codes (BDCs), and monitoring live data.

Highlighted Features:

  • Online/ECU Coding
  • OE-Level Diagnosis
  • Bi-Directional Control
  • 28+ Reset Service
  • 2 Years Free Update
  • Auto VIN

4. XTOOL D7 Diagnostic Scan Tool
XTOOL D7 Diagnostic Scan Tool

XTOOL D7 Diagnostic Scan Tool

Features complete two-way control over several car subsystems and the ability to check the functionality of individual parts.

In its latest update, XTOOL included some of the D7’s most useful advanced special functions.

For thorough diagnostics and precise fault localization, the D7 scan tool can operate a wide variety of vehicle sub-systems, valves, and solenoids in both directions. This allows the device to perform bi-directional tests such as EVAP tests,  cooling fan, injector tests, compression tests, ABS motor pump, windows, doors cylinder deactivation, cycling A/C clutch on/off, sunroof, wipers, and more. It’s important to remember that the kind of functional testing available for a given vehicle model will change.

Oil Reset, Throttle, Programming, ABS Bleed, Power Balance, Tire Upgrade, Airbag Reset, etc., are some of the useful special functions included in the XTOOL D7 automotive diagnostic tool.

The D7 vehicle diagnostics scanner has comprehensive diagnostic capabilities, including code retrieval and clearing, PID data and graphing, freeze frame, live testing, ECU data, and the deactivation of warning lights. In addition, Misfire counters, engine rpm, transmission fluid temperature, coolant temperature, mass air flow, O2 sensor data, MAP/TPS value, cylinder balancing rates, fuel rail pressure, long/short fuel trim, and actual fuel temperature vs. target fuel temperature may all be checked.

The XTOOL D7 is a car diagnostic computer that is compatible with over 140 different vehicle models and over 10,000 different vehicles worldwide. These vehicles include sedans, light-duty trucks, SUVs, and minivans from the United States, Europe, Asia, and Australia. There is a steady expansion of vehicle coverage with a three-year subscription.

Following each diagnostic session, the vehicle scan tool will automatically generate a report detailing the findings.

Highlighted Features:

  • OE level all systems diagnostics
  • Auto VIN and scan
  • Bi-directional control
  • Long-lasting battery life
  • Dual wifi frequency

5. FOXWELL NT510 Honda Acura All System Bidirectional
FOXWELL NT510 Honda Acura All System Bidirectional

FOXWELL NT510 Honda Acura All System Bidirectional

When diagnosing Honda vehicles’ electronic systems at the original equipment (OE) level, the FOXWELL NT510 Elite Scan Tool is the most cost-effective professional code reader.

To name just a few of the electrical systems, it can check: ABS, SRS, SAS, Auto Bleed, DPF, Oil Reset, HVAC, Keyless Entry, etc.; the Foxwell NT510Elite Honda&Acura Car Diagnostic Tool can do it all. Assist you in identifying the problem and adjusting the settings on your car.

You may code and program your vehicle with this obd2 automotive scan tool, which also supports checking a variety of control modules.

Not only can this professional auto scanner diagnostic tool perform maintenance service on Honda and Acura vehicles, but it can also read and clear codes, turn off MILs, request and record live sensor data (supports 2 PIDs graphing and numerous live PIDs in text), freeze frame, etc. from the vehicle’s OBD system.

The best scanner for do-it-yourselfers is Honda’s NT510 Elite code reader (1996-2022). The Scan tool offers many services like bidirectional operation, functional testing, key programming, and more. Furthermore, rather than purchasing a new scanner if you need to test many vehicles makes, you can pay an additional $60-$80 to add another one to the NT510Elite.

Menus and code definitions are created in many languages for use in international markets. In addition, the Foxwell NT510 Elite Scanner is preloaded with Honda-specific software, so it’s ready to go as soon as you open the box.

Highlighted Features:

  • No subscription fee
  • Lifetime free update
  • 1-year warranty
  • Life Data
  • Health report
  • S-mog test


Even while the reviews should make it easier for you to narrow down your alternatives, making the final decision can still make you tense up. To help you further, we have compiled a few of our favorites.

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