4 Best Obd2 Scanner with Throttle Relearn for Different Needs

If your car’s throttle body has been cleaned or replaced, you may need a throttle relearn to reset the idle. A standard code reader won’t cut it—you need a scanner with that specific function.

This guide reviews four capable OBD2 scanners that include throttle relearn, helping you choose the right tool for your budget and skill level.

XTOOL D5S OBD2 Scanner – 16 Resets for DIYers

The XTOOL D5S packs 16 reset functions, including throttle relearn, making it a versatile choice for home mechanics. It covers four main systems—engine, ABS, SRS, and transmission—so you can diagnose and reset multiple areas without switching tools. The real-time engine monitoring helps you spot issues as they happen, which is handy when troubleshooting a rough idle after a throttle service.

You also get a check engine code reader that goes beyond basic codes, giving you live data to confirm repairs. The portable design means you can keep it in your glovebox for roadside checks. While it lacks bidirectional control, the D5S focuses on essential resets and diagnostics, making it a solid entry-level option for throttle relearn tasks.

View all product features

• Comprehensive OBD2 Scanner with 16 Resets: The XTOOL D5S car code reader and vehicle reset tool provides an advanced diagnostic solution with 16 commonly needed reset functions, including Electronic Parking Brake Reset (EPB Reset), SAS, BMS Reset (Battery Test), Throttle Body Relearn, TPMS Reset, ABS Bleeding, Injector Coding, Gearbox Match, Suspension Adjustment, Headlight, Window Initialization, Crank Sensor Relearn and more. Equipped with CAN FD Protocol and FAC AutoAuth, the D5S obd2 scanner diagnostic tool ensures compatibility with a broad range of modern vehicles, allowing users to address common maintenance needs quickly. NOTE: Please Check the Compatibility before ordering.
• 4 Main System Car Scanner & Full OBD2 Diagnostics: The XTOOL D5S car code reader is ideal for home mechanics, DIYers, and professionals, providing access to Transmission/Engine/ABS/SRS systems to read DTCs, Live data can be displayed in text or up to 4 PID data graphs, along with full OBD2 diagnostics to check the engine light on, other obd2 issues and routine maintenance. This car diagnostic scanner ensures you can keep your vehicles in top condition, avoiding costly repairs or unexpected breakdowns. NOTE: Some vehicles display three systems after connection because the transmission and engine of some vehicles are integrated into one.
• Check Engine Code Reader & Real-Time Engine Monitoring: Whether you're a car owner, a DIYer, or run a repair shop, the XTOOL D5S obd2 scanner diagnostic tool makes engine diagnostics fast and frustration-free, reading and explaining trouble codes in seconds—no confusion. Check live data like fuel trim, 02 sensor voltage, RPM, and coolant temp to pinpoint mis~fires, rough idle, or sensor issues. After repairs, simply use the D5S check engine code reader and reset tool to turn off the check engine light and confirm the problem’s fixed—saving time, money, and unnecessary shop visits. – Note: If the check engine light comes back on, it indicates the original problem still exists.
• Portable Car Scanner for ABS and SRS: XTOOL D5S gives you peace of mind when ABS or airbag warning lights come on. It reads and clears ABS codes to help you fix brake sensor, traction control, or wheel speed issues, and supports ABS bleeding after repairs like caliper or master cylinder replacement. For airbag systems, it scans and clears SRS codes related to airbags, seatbelt tensioners, and crash sensors. Whether you're doing repairs at home or running a small shop, the D5S is a cost-effective solution for safety diagnostics. Note: If a fault code returns after clearing, it usually means the issue hasn’t been fully resolved. Please check the compatibility before ordering.
• Transmission Warning Light ON? Here’s the Transmission Diagnostic and Reset Tool You Need: The XTOOL D5S is more than just a basic car scanner—it’s an easy-to-use transmission diagnostic tool. From rough shifts to slipping gears, the D5S lets you read and clear transmission trouble codes, monitor real-time TCM data, and perform transmission resets after fluid changes or repairs. Whether you’re a hands-on car owner or a pro running a busy shop, this OBD2 scanner with transmission functions helps you catch problems early—saving you time, money, and future headaches.. Note: Clearing fault codes is equivalent to a reset on some vehicles, but not all. For help, contact XTOOL Tech Support.
• Wide Compatibility Across 90+ Vehicle Brands: The XTOOL D5S scanner works with cars and 12V trucks, covering OBDII-equipped vehicles built after 1996. It covers over 90 vehicle brands, including models with 12V diesel engines, as well as SUVs, minivans, and light-duty trucks. It supports most of protocols include CAN FD for broad compatibility. Please note that this device does not support Indian domestic vehicle brands. For vehicle-specific compatibility, send us your vehicle information to check the compatibility before purchase.
• One-Tap WiFi Updates & No Subscription Fees: Enjoy a 5.45” high-resolution touchscreen (1440×720) that’s easy to read, even in low light. Free lifetime software updates over WiFi keep your D5S OBD2 scanner diagnostic tool updated with the latest features—no hidden fees. Ample 32GB storage plus expandable memory ensures room for all your diagnostic data, while durable silicone grips provide comfortable, secure handling. This makes D5S a cost-effective, long-term investment for continuous diagnostic support, a dependable car diagnostic scanner for your family.
• Super Clear Navigation Display: The XTOOL D5S car scanner enhances your diagnostic workflow with a super clear navigation display, designed for convenience and speed. Top capabilities include a Voltage Display for real-time monitoring of your vehicle’s electrical system, a “My Vehicle” menu for adding and managing vehicle information, and quick-access buttons Interfaces for both Auto Scan and OBD2 Diagnostics, ensuring you can quickly access the menu you need. These features streamline the diagnostic process, allowing you to focus on what matters most—efficient vehicle maintenance.
• Additional Functions with AutoVIN and DTC Lookup: AutoVIN/Auto Scan technology allows the D5S obd2 scanner to automatically identify your vehicle for a quick diagnostic. You can save and share diagnostic reports, while the built-in DTC library helps you quickly understand the fault codes. NOTE: AutoVIN may not work on all vehicles.
• A Trusted Brand with Ongoing Support: : As a leader in special functions development, XTOOL stands by its products with a 2-year warranty and long-term technical support. This D5S car code reader offers free updates, giving users continued access to the features. Our dedicated support team is ready to help with any issues, we are committed to resolving all concerns swiftly.

---

TOPDON AD500 OBD2 Scanner – 6 Resets & Battery Test

The TOPDON AD500, also known as ArtiDiag500, offers six reset functions including throttle adaptation, along with diagnostics for engine, ABS, SRS, and transmission. Its Smart AutoVIN feature automatically identifies your vehicle, saving time when you plug it in. The built-in battery test is a bonus, letting you check your battery’s health during routine maintenance.

This scanner is designed for DIY enthusiasts who want more than basic code reading. The throttle relearn function works smoothly on many makes, and the 4-system diagnostics give you a full picture of your car’s health. While it has fewer resets than some competitors, the battery test and AutoVIN add convenience. It’s a reliable tool if you prioritize ease of use and don’t need dozens of special functions.

View all product features

• [Brand-New ArtiDiag500] We've got everything you're looking for! Forget basic OBD2 scanners; TOPDON's ArtiDiag500 car scanner offers more. The all-new ArtiDiag500 not only includes full OBD2 functions and 4-system diagnostics but also provides DIYers with 6 maintenance services. The brand-new, cost effective AD500 is back in full swing!
• [4-System Diagnostics] DIY enthusiasts, take notice! Will these 4-system diagnostics be the treasure you've been seeking? The ArtiDiag500 code reader offers in-depth testing for the engine, transmission, ABS, and SRS systems, reading fault codes and data streams. It also visualizes real-time data in chart form, simplifying complex data for storage and future playback, aiding DIY users in problem detection.
• [6 Reset Functions] Hey, hang tight for a moment. With these 6 reset functions, the ArtiDiag500 has got you covered. It offers throttle adaptation along with reset capabilities for Oil, SAS, TPMS, BMS, and EPB. Seamlessly aligning the throttle, battery, tires, and brake pads with your vehicle, it also adjusts the steering angle and turns off the oil light. Looking to restore your car to its original condition? Look no further than the ArtiDiag500.
• [Multiple Functions] The Smart AutoVIN of this TOPDON OBD2 scanner keeps track of your manual selections for vehicle make, model, and year and directs you to the suitable diagnostics. Max 4 Live Data streams integrated for much easier data processing. Diagnostic feedback online with this diagnostic tool to help you get tough repair operations well-completed. Real-time car battery voltage monitoring identifies probable vehicle defects.
• [Global Support] Rest assured about compatibility with your vehicle and language – ArtiDiag500 currently supports 67+ car brands, 10,000+ models, covering most vehicles worldwide, and is available in 12 languages. Whether it's for your car or preferred language, there's an ideal choice for you. Plus, it's fully compatible with Android 11 for smoother use.
• [Upgraded Hardware] At this level, the configuration of the ArtiDiag500 OBD2 scanner is like ordering a "Venti" at Starbucks. It boasts a 5-inch screen for a more immersive display, a user-friendly combination of touchscreen and physical buttons, generous 2GB RAM + 32GB ROM storage capacity, a long-lasting 3350mAh battery, and a sleek ergonomic design for an aesthetically pleasing appearance, with package dimensions 10.2*8.3*2.4Inch.

---

XTOOL Anyscan A30D – Bidirectional & 19 Resets

The XTOOL Anyscan A30D is a wireless bidirectional scan tool that lets you send commands to your vehicle’s ECU for active testing. With 19 reset functions, including throttle relearn, EPB, and crank sensor relearn, it covers routine maintenance without extra fees. The bidirectional control helps you test components like actuators or solenoids, speeding up troubleshooting after a throttle body replacement.

You get stable Bluetooth connectivity and all-system diagnostics with 8 PIDs of live data, so you can monitor engine parameters in real time. The lifetime free updates mean you won’t pay subscriptions to keep it current. This scanner is ideal if you want pro-level features like bidirectional testing without a hefty price tag. It’s a step up from basic code readers, offering deeper control for throttle-related issues.

View all product features

• Save $500+/Year with Pro-Level Diagnostics -No Subscriptions: The Portable XTOOL Anyscan A30D OBD2 scanner diagnostic tool includes free lifetime software updates for all app service functions, without extra cost. With a single payment, enjoy full access to diagnostics, relearn scan tools, and maintenance features. A cost-effective, smart choice for car owners and DIY enthusiasts, compatible with vehicles from 1996 onward. Please provide the car VIN and the special functions you need in advance so that we can confirm compatibility
• Bi-Directional Control for Faster Troubleshooting: Unlike a basic code reader, the A30D bi directional scan tool sends commands directly to your vehicle’s ECU to actively test components like fuel pump, valves, wipers, windows, doors, sunroof, and headlamps right from your smartphone. See component responses in real time without disassembly—perfect for brake jobs, electrical issues, and hard-to-find problems. This bidirectional obd2 scanner helps pinpoint faults faster, reduce guesswork, and avoid replacing good parts. An efficient, easy-to-use car scanner diagnostic tool built for DIYers, home garage users, and small-shop technicians who want real two-way scanner, not just codes
• 19 Reset Functions for Routine Maintenance: The A30D car diagnostic scanner provides 19 relearn functions without extra charges, including EPB Reset for parking brake replacement, TPMS Reset after tire changes, ABS Auto Bleeding, Oil Reset, SAS Reset, BMS Reset, Throttle Relearn, Injector Coding, Gear Learning, Crank/Crankshaft/Cam/Ckp Sensor Relearn Tool, Transmission Match, Seat Calibration, Airbag Repair and more. This XTOOL A30D automotive scanner diagnostic tool supports preventive care, helping extend vehicle life and reduce costly shop visits. Functions vary by vehicle make and year—plz confirm compatibility before purchase
• Stable BT Connection & All-System & 8 Pids Live Data: The A30D wireless OBD2 scanner delivers a fast and stable wireless connection up to 33 feet, letting you move freely around the vehicle without tangled cables. Pair with with Android 9.0+ and iOS 10.0+ devices to turn your phone into a mobile auto scanner—perfect for home garages, driveways, or on-the-spot repairs. This full system scanner for cars provides real-time access to all major modules, including Engine, Gearbox, ABS, SRS, AC and more. with clear graphs, meters, and up to 8 PIDs displayed at once. This car code reader makes system monitoring visual, simple, easy to understand, and offering data logging for playback and deeper
• Wide Compatibility with CAN-FD & FCA Support: The A30D car computer diagnostic reader works with most 1996 and newer vehicles with a standard OBD2 port, including for Ford, for GM, for Toyota, for Honda, for Nissan,for Hyundai etc, with ongoing updates covering more car models and functions later. It also supports newer communication protocols like CAN-FD and FCA AutoAuth (Personal AutoAuth account and active subscription required, not included with the device!for Chrysler, for Dodge, for Jeep, for Fiat models). It is a future-ready automotive scanner diagnostic tool for households with multiple vehicles or part-time techs. Coverage vary by cars, plz check the compatibility first
• Backed by 14 Years of XTOOL Experience & 2-Year Repair: With over 14 years in obd ii scanner, XTOOL has built a reputation for dependable tools and consistent performance. The A30D code reader for cars and trucks comes with a 2-year repair warr~anty and lifetime technical support. Whether you're new to diagnostics or a seasoned user, you’ll have a dependable code reader for cars and trucks and a support team that stands behind it. XTOOL helps you diagnose with confidence and keep vehicles in top shape
• Multiple Language Support: The A30D vehicle diagnostic scanner supports 22 languages, including Spanish(escaner automotriz en español), Portuguese(scanner para autos), German, and more, making it easy for DIY enthusiasts and professional technicians worldwide to use diagnostic and repair functions. To change the language, please provide the S/N and your preferred language. (English by default)

---

XTOOL A30M V2.0 – 26 Resets & Full Bidirectional

The XTOOL A30M V2.0 takes things further with 26 special functions, including throttle relearn, EPB, and crank sensor relearn. It offers full bidirectional control, allowing you to command the ECU to test components like fuel injectors or cooling fans. The wireless Bluetooth connection stays stable, and the all-system diagnostics cover engine, transmission, ABS, and more.

Lifetime free updates ensure you always have the latest software without extra costs. The A30M is compatible with CAN FD and FCA autoauth, widening its vehicle coverage. With 26 resets, it handles more maintenance tasks than most competitors, making it a comprehensive tool for serious DIYers or small shops. If you need a scanner that can perform throttle relearn and many other resets, this model delivers extensive functionality in a portable package.

View all product features

• Stay Updated with Lifetime Access: This bluetooth obd2 scanner includes lifetime free software updates for all app service functions. With a single payment, enjoy full access to diagnostics, reset tools, and maintenance features — zero subscription fees. A budget-friendly choice for weekend mechanics, home car owners, and DIYers, supporting vehicles from 1996 onward. Come to us with your VIN to check compatibility.
• Full Bidirectional Control/Active Tests & Stable Wireless Connectivity: This car code reader features full bidirectional control, allowing you to send commands to the vehicle's ECU for active tests on components such as fuel pumps, injectors, A/C clutches, windows, sunroofs, and more. This car scanner diagnostic tool helps DIYers quickly diagnose and test vehicle parts, cutting down troubleshooting and repair time. With bluetooth 4.0 wireless connectivity, you can enjoy cable-free diagnostics up to 33 feet. Stand in your garage and test windows, wipers, or even engine components—all without needing to move around your car.
• Portable Car Scanner with 26 Special Functions: Scheduled vehicle maintenance with the A30M car diagnostic scanner can keep your vehicle in peak condition and save you big on dealership trips. The XTOOL A30M obd2 scanner diagnostic tool features essential reset and relearn functions, such as Oil Reset, EPB Reset (Electronic Parking Brake Release), SAS, ABS Brake Bleeding, Throttle Body Relearn, Injector Coding, Crank Sensor Relearn, Headlight Adjustment, and Tire Size Reset. Note: Service functions may vary by vehicle model – check compatibility beforehand!
• Wide Compatibility CAN FD & FCA Autoauth: This obd2 scanner diagnostic tool is compatible with over 85+ car brands from the U.S., Europe, and Asia, providing extensive coverage through a bluetooth connection with your smartphone or iPad. Now upgraded to support the latest protocols, it includes FCA AutoAuth access for Chrysler, Jeep, Dodge, and Fiat (2018+), and supports CAN FD for GM (2020+) models, giving you greater access to newer vehicles and systems. Note: The FCA AutoAuth account is not included with the device. Users must register and pay separately through the official FCA AutoAuth website to access diagnostic functions for vehicles that require it.
• Up to 8 Live Data Streams Graphing – Real-Time Graphing for Deeper Insight: This car scanner supports up to 8 live data streams simultaneously with intuitive, real-time graphing. Gain comprehensive insights into your vehicle’s performance, making it easier to spot issues, detect trends, and make informed diagnostic decisions with confidence.
• Full System Diagnostics: Experience the power of an OE-Level Full System Car Diagnostic Scan Tool. The XTOOL A30M full system scanner for cars can thoroughly scan all available systems, including Engine, Transmission, ABS, SRS, A/C, and more. Whether you're troubleshooting a warning light or conducting routine checks, the A30M delivers accurate, in-depth diagnostics you can trust.
• Multiple Languages: This scanner for car supports 22 languages, making it accessible to technicians and DIYers worldwide. This multilingual capability ensures that users can navigate diagnostics and repair resources in their preferred language, enhancing usability and efficiency across diverse regions. To change the language, please contact us with your S/N to make a selection. (English by default)

---

Buyer’s Guide: What to Consider

When choosing an OBD2 scanner with throttle relearn, focus on key features that match your skill level and vehicle needs. Here are five factors to consider.

• Throttle Relearn Support: Ensure the scanner explicitly includes throttle relearn or adaptation. Not all OBD2 scanners have this, so check the features list.
• Number of Reset Functions: More resets (like EPB, SAS, or crank relearn) add value. Decide how many you need based on your vehicle's maintenance schedule.
• Bidirectional Control: This lets you test components by sending commands. Useful for advanced diagnostics but not essential for basic throttle relearn.
• System Coverage: Look for scanners that cover engine, ABS, SRS, and transmission. Full-system diagnostics give a complete health picture.
• Wireless vs. Wired: Wireless models offer convenience but rely on an app. Wired scanners are simpler but may limit mobility around the vehicle.

Conclusion

Each of these scanners handles throttle relearn, but your choice depends on how many extra features you want. The XTOOL D5S is great for basic resets, while the TOPDON AD500 adds a battery test. For bidirectional control, the A30D offers a good balance, and the A30M V2.0 provides the most resets.

If you need a reliable tool for throttle relearn and routine maintenance, the XTOOL A30M V2.0 stands out with its 26 functions and bidirectional testing. Pick the one that fits your budget and diagnostic needs.