Best Obd Ii Engine System Diagnostic Tools 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

XTOOL

XTOOL AD20 Pro OBD2 Diagnostic Tool Car Scanner All System Scan, Obd2 Reader with DTC Definition, Oil Reset, 15+ Languages, Voltage Detection, Lifetime Free Updates, for iOS and Android

Show more
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Unique gift design: XTOOL AD20PRO fault reader car all cars is a great gift for garage owners, car engineers, professional home mechanics, retired backyard mechanics, DIY beginners and more. Every car owner needs it.
Turn off the engine light and prepare your car for the TÜV test (Smo~g test): XTOOL AD20 Pro car diagnostic device can scan the powertrain module (PCM) to retrieve emission-related diagnostic error codes (DTCs), still images and data streams (PID) to show why the check engine light (MIL) lights up, how severe. The car problem is and how to fix it effectively using possible causes and solutions. This OBD-II diagnostic tool can also prepare your car for the TÜV test with the function to check the readiness status. NOTE: This OBD2 code reader shuts off when the ignition is off.
Track your car's performance: the car diagnostic with code reader works best when paired with your car and connected to the OBD2 port. This unique OBD-II engine system diagnostic tool provides a performance test and ride (analysis) that allows you to track engine performance (acceleration, fuel efficiency), coolant temperature, engine speed, voltage, etc. while sending alerts to your phone once an error code is detected while driving. NOTE: This car code reader shuts off when the ignition is turned off.
Supports German language and wide compatibility, error reader car all cars. The XTOOL Advancer AD20 Pro diagnostic device car supports German. You can switch the device to the German language so you understand everything well, and you can also switch to English, Spanish, French, Italian and other languages, which is convenient for different language groups. The AD20 Pro OBD2 diagnostic tool is suitable for most 12V American cars manufactured after 1996, as well as European and Asian cars manufactured after 2000. 24V heavy duty trucks and motorcycles are not supported. Compatible with iOS and Android system
Full System Scan Tool >> Most OBD2 scanners have only 10 full OBDII functions and cannot diagnose and analyse all systems of your vehicle. XTOOL AD20 Pro car diagnostic device intelligently scans all systems of your vehicle and accesses the deep check function that allows you to thoroughly check vehicle systems such as engine, transmission, brakes, steering, safety, infotainment and more. It reads vehicle information, reads/eliminates codes, turns off warning lights, analyzes all performance changes in text format and gets a complete picture of your vehicle. Read a code once and it pays for itself.
Free lifetime updates and customer service: The XTOOL Advancer AD20 Pro car diagnostics comes with a 2-year warranty, 24/7 technical support and lifetime software updates. If you need any help, please do not hesitate to contact us directly for a quick response. We are always there for you!
Easy to install and use: XTOOL AD20 Pro car diagnostic scanner is equipped with fast BT 5.0 connection, can pair with iOS and Android devices, download the "Advancer AD20" from Google Play or App Store to a wealth of functions, including, check engine light on, full system diagnostics, full OBD2 test modes, etc. This AD20PRO OBD diagnostic tool is a cost-effective way for DIY enthusiasts to read/delete codes before taking it to the dealer. Note: Functions may vary by vehicle. Please send us the FIN and required function before purchase to check compatibility.
Detailed explanation of the error code and the error code warning: the fault reader car all cars has diagnostic functions with error code definitions, which are extremely useful for the car owner to fix vehicle problems or replace faulty components. This odb2 diagnostic tool also has an error warning function. If your vehicle has error codes or the coolant temperature is too high, you will receive alerts on your smart device to understand the fault and ensure safer driving. Note: Reads and clears codes only and does not support system resets. Some DTCs required repair before codes were deleted.
BT connection problem ---- Please check the following cases to determine the cause. ●1. Please check the OS version of your device as the scanner is compatible with Android 4.4+ (64-bit processor) and iOS 11+ devices. (Android devices with 32-bit processor are not compatible because they are relatively old on the market) ●2. Please make sure the dongle is firmly inserted into the OBDII port. ●3. Please make sure the network is stable. ●4. Please make sure the vehicle is started or the ignition switch is set to "ON".

59,99 €
02

UWALK

OBD2 Diagnostic Device OBD Car Adapter: EOBD Car Scanner Engine Diagnostic Error Reader Reader with OBDII Functions – German Car Reader for All Vehicles Ford BMW VW Mercedes Audi

Show more
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Upgrade OBD2 Diagnostic Tool:Compared with normal OBD readers, several professional test functions have been added to our new OBD2 diagnostic device: carbon deposit detection, battery health test, air flow test, fuel system test, performance test (acceleration, braking, distance performance test, data instruments). In addition, this OBD diagnostic device can summarize the test report and have a report printing function for easy access.
Plug & Play and easy to use: the car diagnostic device with coloured 320 x 240 TFT display offers an extremely clear display of all test results thanks to intuitive symbols. The car diagnostic device for all vehicles has 9 buttons: up/down, left/right, OK/EXIT as well as function keys F1 (I/M), F2 (carbon deposit check) and BAT (battery test). Requires no apps, WiFi or external power source - Draws power directly from your vehicle's OBDII data connection connector.
Friendly Notes: 1. Please check the compatibility with your vehicle model before purchasing. 2. This OBD2 diagnostic device car for BMW VW is not compatible with electric vehicles or hybrid vehicles. 3. It is only suitable for checking the check engine light and does not support ABS or airbag diagnostics.
Comprehensive vehicle compatibility: the car diagnostic tool is compatible with most US vehicles from 1996 onwards, EU and Asian vehicles from 2000, light commercial vehicles, SUVs as well as newer OBD2 and CAN vehicles at home and abroad. The OBD car diagnostic device supports 12 languages: English, German, French, Spanish, Italian, Portuguese, Russian, Dutch, Polish, Japanese, Chinese and Arabic. This allows you to have a more precise user experience.
CUSTOMER ORIENTED CUSTOMER SERVICE We offer 60 days full refund and exchange in case this OBD2 diagnostic tool has quality defects for all vehicles. If you have any questions about this car diagnostic device for all cars before or after purchase, please do not hesitate to contact us. We will reply within 24 hours and ensure you a worry-free purchase.
All-in-One OBD EOBD Adapter This car diagnostic scanner has an OBD2 DTC lookup library that helps you easily determine the cause of the check engine light. Help you save time and money. It reads and clears diagnostic trouble codes, displays real-time data, checks I/M status, tests O2 sensors, allows freeze frame analysis, captures vehicle information, and detects car exhaust and leaks in the vehicle's fuel evaporation system.

45,99 €
Value for Money

03

RICOKEY

ELM327 OBD2 Bluetooth Scanner Car Code Reader Reset Auto Diagnostic Scan Tool OBDII Adapter for Android & Windows Devices Check Engine Light for Cars, with Torque Pro APP

Show more

15% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Various free apps: support for iOS, iPhone, Android and Windows devices. The free app "Torque, Mini ODBII, DashCommand, OBD Fusion, OBD Car Doctor, TPMS and Car Scanner" works perfectly for Android phone/tablet.
Universal compatibility: works with both vehicles that are OBDII protocols vehicles from 1996 onwards in the USA, 2003 in Europe. Whether your vehicle is with petrol, 12V diesel, new or old, our OBD2 reader works with it.
Supports ALL 9 OBDII protocols: J1850 PWM, J1850 VPW, ISO9141-2, ISO14230-4 KWP, ISO15765-4 (Can-BUS). Full System Scan Tool. Not applicable to airbags/ABS/SRS/TPMS/OIL.
Monitor & Analyzer:Top Bluetooth OBD2 Adapter,Read Engine Diagnostic Trouble Codes Quickly, Clear Codes, Check Engine Light (CEL), Check if your vehicle is ready for smog check, Turn off MIL, display the sensor readings in real time with your phone or tablet. Save money by fixing car problems quickly and accurately yourself.
Intelligent diagnostic functions: read and clear error codes, immediately display their meaning (over 3000 generic code definitions in the database). Displays current sensor data (engine speed, calculated load value, coolant temperature, fuel system status, vehicle speed, fuel trim, intake manifold pressure, timing lights/flow, air flow, intake air temperature, absolute throttle position, oxygen sensor.

10,99 € 12,99 €(15% Off off)
04

Veepeak

Veepeak OBDCheck BLE/Bluetooth 4.0 OBD II Car Diagnostic Tool, Diagnostic Code Reader, Scanner, Compatible with iOS and Android

Show more

10% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Vehicle compatibility: Compatible with petrol vehicles from model year 2001 and diesel vehicles from model year 2004 in the EU and UK (only for basic functions; advanced features are only available for select vehicles via advanced apps). For plug-in hybrid and electric vehicles, please check the Car Scanner ELM OBDII app and check if there are suitable EV connection profiles or if there are other apps specially designed for electric vehicles.
Please read before purchasing: OBDCheck BLE is a small and practical OBD2 diagnostic tool that can work with different third-party apps to achieve different functions. The functions you can get depends mainly on the selected app and your vehicle. Please check the compatibility and app information in the product images and read the instructions for use found in the product guides and documents (English language not guaranteed) before purchase or use.
Important note: Not compatible with pre-2008 or G-series models when used with BimmerCode or BimmerLink. Currently, no Veepeak app is included with this device; third-party apps are required but not included and must be downloaded separately or purchased from the Play Store or App Store (depending on vehicle and requirements); not compatible with Carly, MHD, xHP, ProTool apps.
Device compatibility: Compatible with iOS via Bluetooth LE (do not pair the device in iOS Bluetooth settings; please connect directly in the respective OBD2 app), and with Android devices via classic Bluetooth (head unit compatibility not always ensured). Detailed instructions for connecting and troubleshooting for iOS and Android can be found in the fifth product image or user manual.
Basic functions (for diagnosing the check engine light on OBD II-compatible vehicles). When used with generic OBD II apps such as Car Scanner ELM OBDII (see picture 2 for other compatible apps), you can read and clear diagnostic issue codes related to the check engine light (CEL, MIL, SES), snapshot data, display I/M readiness and sensor values in real time (generic OBD PIDs such as engine coolant/oil temperature, mass air flow, fuel trim falues), which can help you solve simple engine problems.
Advanced features (for select vehicles, see image 3 for details): When used with more professional apps (usually requires a separate purchase), you can get advanced features such as advanced diagnostics* (ABS, airbag, chassis control, etc.) and manufacturer-specific PIDs (such as transmission temperature, oil pressure), inspect the HV battery in hybrid and electric vehicles, adjust selected vehicles, etc. *To check whether your vehicle is compatible with the advanced diagnostics, please see the fourth picture on the product page. Note: The oil service light cannot be reset.

35,99 € 39,99 €(10% Off off)
05

Veepeak

Veepeak OBDCheck BLE/Bluetooth 4.0 OBD II Car Diagnostic Tool, Diagnostic Code Reader, Scanner, Compatible with iOS and Android

Show more
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Vehicle compatibility: Compatible with petrol vehicles from model year 2001 and diesel vehicles from model year 2004 in the EU and UK (only for basic functions; advanced features are only available for select vehicles via advanced apps). For plug-in hybrid and electric vehicles, please check the Car Scanner ELM OBDII app and check if there are suitable EV connection profiles or if there are other apps specially designed for electric vehicles.
Please read before purchasing: OBDCheck BLE is a small and practical OBD2 diagnostic tool that can work with different third-party apps to achieve different functions. The functions you can get depends mainly on the selected app and your vehicle. Please check the compatibility and app information in the product images and read the instructions for use found in the product guides and documents (English language not guaranteed) before purchase or use.
Important note: Not compatible with pre-2008 or G-series models when used with BimmerCode or BimmerLink. Currently, no Veepeak app is included with this device; third-party apps are required but not included and must be downloaded separately or purchased from the Play Store or App Store (depending on vehicle and requirements); not compatible with Carly, MHD, xHP, ProTool apps.
Device compatibility: Compatible with iOS via Bluetooth LE (do not pair the device in iOS Bluetooth settings; please connect directly in the respective OBD2 app), and with Android devices via classic Bluetooth (head unit compatibility not always ensured). Detailed instructions for connecting and troubleshooting for iOS and Android can be found in the fifth product image or user manual.
Basic functions (for diagnosing the check engine light on OBD II-compatible vehicles). When used with generic OBD II apps such as Car Scanner ELM OBDII (see picture 2 for other compatible apps), you can read and clear diagnostic issue codes related to the check engine light (CEL, MIL, SES), snapshot data, display I/M readiness and sensor values in real time (generic OBD PIDs such as engine coolant/oil temperature, mass air flow, fuel trim falues), which can help you solve simple engine problems.
Advanced features (for select vehicles, see image 3 for details): When used with more professional apps (usually requires a separate purchase), you can get advanced features such as advanced diagnostics* (ABS, airbag, chassis control, etc.) and manufacturer-specific PIDs (such as transmission temperature, oil pressure), inspect the HV battery in hybrid and electric vehicles, adjust selected vehicles, etc. *To check whether your vehicle is compatible with the advanced diagnostics, please see the fourth picture on the product page. Note: The oil service light cannot be reset.

27,99 €
06

RICOKEY

RICOKEY OBD2 Diagnostic Device Car Reader OBD Error Code Reader Adapter Car Error Code Reader with DTC Library, Battery Test and 13 Languages for All OBDII Vehicles

Show more
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Precise, fast and user-friendly: With Auto Reader, you or your mechanic can assess the condition of your vehicle and get extremely precise and fast results. You can read and clear engine fault codes within seconds. Instead of taking your car to a workshop, you can use it to check fault codes and display code definitions yourself, allowing for precise and quick troubleshooting.
Precise monitoring and analysis: This car diagnostic tool provides advanced diagnostic functions, including tests for oxygen sensors and the EVAP system. It performs leak tests on the vehicle's EVAP system and monitors the integrity of the fuel tank. Oxygen sensor testing helps to optimize the air-fuel ratio, improve fuel efficiency, reduce emissions, reduce fuel costs and minimize vehicle environmental impact.
OBDII Protocol & Vehicle Compatibility The OBD diagnostic tool not only supports 9 standard OBDII/EOBD protocols, but also provides comprehensive compatibility with vehicle models from USA (1996), EU(2000) and Asia (2008). User-friendly design: Support 13 languages: English, German, Italian, Dutch, French, Spanish, Chinese, Russian, Japanese, Portuguese, Polish, Finnish, Korean.
OBD2 diagnostic tool with 2.8 inch colour display for clear data display. Dimensions: 15 × 8.8 × 2 cm. Compact and lightweight design for easy transportation. The 64 cm long cable made of flexible insulation material guarantees comfortable operation and increased safety.
Multifunctional car diagnostic device: the car reader functions include: read and clear DTCs, freeze frames (frozen data), retrieve I/M readiness, retrieve vehicle information, real-time data, data stream, battery life tests, voltage tests and RT curves (real time curves). It provides professional OBD functions that allow you to fix the causes of engine lights malfunction, saving you time and money.
35.901 DTC database matching: compared to conventional OBD2 diagnostic device, this OBD-II diagnostic tool has a database of up to 35,901 DTCs, which is compatible with all vehicles with OBDII protocol. It helps you better diagnose and fix vehicle errors, saves time and exceeds the capabilities of most conventional OBD databases.

24,68 €
07

Onherm

OBD2 Diagnostic Tool OBD Car Diagnostic, Universal Car Reader, Car Engine Error Reader with Full OBDII Functions, Suitable for BMW, VW, Mercedes, Audi, All OBDII Vehicles

Show more
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Wide compatibility: This OBD2 diagnostic supports compatibility with 97% of OBDII compliant vehicles and works with most US vehicles manufactured after 1996, EU vehicles manufactured after 2002, and Asian vehicles manufactured after 2008; is compatible with J1850 PWM, J188. 50 VPW, ISO9141, KWP2000 and CAN protocols (9 OBDII protocols) and supports 13 languages including English, French, German, Dutch, Spanish, Chinese, Italian, Portuguese, Polish, Russian, Japanese, Turkish and Indonesian. CAN protocols (9 OBDII protocols) and supports 13 languages, including EN,DE,FR,IT,ES...
Read before purchase: Our OBD2 diagnostic device is not able to detect non-open data adapted by the manufacturer as this allows reading special vehicle protocols such as ABS, SAS, ESP, EPS, TPMS, transmission and other subsystems, DPF, battery reset, oil service reset, EPB brake pads replacement and throttle position . Not compatible with diesel and hybrid vehicles.
Easy to use, user-friendly interface: the T200 automotive diagnostic device is equipped with an easy-to-read 2.4 inch colour display and a 90 cm long cable made of flexible, insulating material that allows comfortable work. The new shortcut keys allow quick access to I/M readiness information and the voltage of the vehicle battery. The intuitive user interface is perfect for beginners, mechanics and experienced users.
Advanced OBDII diagnostic functions – comprehensive system test: This OBD2 diagnostic device offers professional diagnostic functions to help you troubleshoot the cause of the engine fault light, which really saves you time and money. Data, data streaming, built-in database of 35,901 DTCs, voltage test, RT curve (real time curve), plus O2 sensor test and EVAP system leak test. The diagnostic tool is powered directly from your vehicle's OBDII port, so no battery or charger is required.
35.901 DTC database comparison: This diagnostic device for all OBDII protocol vehicles quickly reads and clears stored emission-related codes, pending codes and provides code definitions. The built-in 35.901 DTC finder function allows you to easily identify errors without the need for Google search, which means that this OBD2 diagnostic can help you better diagnose and fix vehicle errors and save time. ***Note: Error codes can be deleted once the underlying problem is resolved, the code reader itself does not have a reset function.

34,99 €
08

smtfcty

OBD 2 Diagnostic Device Car Adapter WiFi OBD Diagnostic Device Compatible with iOS, iPhone, iPad and Android, OBD 2 Bluetooth Adapter OBD Car Diagnostic Device for All OBD 2 Protocol Vehicles

Show more
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Various free apps: Support for all Android devices and Windows PCs (for Samsung LG 2 Google Nexus etc.). The free app "Torque" & "DashCommand" works perfectly for Android phone/tablet. It can be used with iOS devices such as iPhones.
Supports all 9 OBD2 protocols and multilingual: ISO15765-4 (CAN), ISO14230-4 (KWP2000), ISO9141-2, J1850 VPW, J1850 PWM. It works in English, German, Spanish, French, Italian, Dutch, Portuguese and more, so you can ignore the language barrier.
OBD 2 adapter: suitable for all vehicles with OBD 2 protocol and 16-pin standard plug, which were manufactured in the USA in 1996 and Europe 2000. Whether your vehicle is with petrol, 12 V diesel, new or old, our OBD 2 reader works with it.
Monitor & Analyzer: V1.5 top Bluetooth OBD2 adapter, quickly read engine diagnostic trouble codes, reset check engine light (CEL), check if your vehicle is ready for smog check, turn off MIL, display the sensor values in real time with your phone or tablet. Save money by fixing car problems quickly and accurately yourself.
Intelligent diagnostic functions: Read and clear error codes, instant display of their meaning (over 3000 generic code definitions in the database). Current sensor data (engine speed, calculated load value, coolant temperature, vehicle speed, air flow, fuel trim, fuel system status, intake manifold pressure)

8,66 €
09

Maxpow

Maxpow OBD2 Diagnostic Device - Bluetooth 5.4 Diagnostic Tool Car for iOS Android, OBD Reader with Live Data Engine Fault Code Checker OBD2 Diagnostic Tools for All Vehicles

Show more

15% Off
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

【OBD Diagnostic Tool Easy Universal Compatibility】Plug and Play Installation in Seconds: Simply plug into the OBD-II port, scan and pair via Bluetooth 5.4. Compatible with 98% of all petrol vehicles (from 1996/USA, 2000/EU) over 48+ makes and 100,000+ models. Note: Only for 12V petrol cars (not suitable for hybrid/electric vehicles or 24V systems).
Professional diagnostics for your pocket: Trusted by DIY enthusiasts worldwide: this handy OBD2 reader car eliminates the guesswork. Save Expensive Workshop Visits - Diagnose Check Engine Lights, Reset Warning Codes and Optimize Performance Anytime. Our warning light encyclopedia decodes each symbol with explanations and actionable solutions.
OBD2 diagnostic device - your guardian for vehicle health: Enjoy worry-free driving with our wireless OBD2 diagnostic device for all vehicles, which gives you lifetime free access. No subscriptions, no hidden costs - with just one tap, you get complete insights into vehicle systems, identify issues instantly and keep your car in top condition. Whether preparing for the main examination or when troubleshooting check engine lights.
Maxpow obd2 next-gen Bluetooth 5.4 performance: Our OBD-II diagnostic tools with advanced 25K80 processor exceed standard models by 30% faster data transfer and 40% better energy efficiency. Monitor critical parameters in real time - from engine speed and coolant temperature to oxygen sensor voltage - with stable connection. Seamlessly compatible with iOS, Android and Windows, the perfect companion for emergency checks and preventive maintenance.
All-in-one vehicle dashboard: turn your smartphone into a control centre with intuitive live data. Clear charts and indicators reveal the vital values of your car. Our OBD2 diagnostic tool for all experience levels not only reads/clears error codes, but gives prioritized repair recommendations for informed decisions.

17,84 € 20,99 €(15% Off off)
10

XTOOL

XTOOL AD20 Pro OBD2 Diagnostic Tool Car Scanner All System Scan, Obd2 Reader with DTC Definition, Oil Reset, 15+ Languages, Voltage Detection, Lifetime Free Updates, for iOS and Android

Show more

40% Off
8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Unique gift design: XTOOL AD20PRO fault reader car all cars is a great gift for garage owners, car engineers, professional home mechanics, retired backyard mechanics, DIY beginners and more. Every car owner needs it.
Turn off the engine light and prepare your car for the TÜV test (Smo~g test): XTOOL AD20 Pro car diagnostic device can scan the powertrain module (PCM) to retrieve emission-related diagnostic error codes (DTCs), still images and data streams (PID) to show why the check engine light (MIL) lights up, how severe. The car problem is and how to fix it effectively using possible causes and solutions. This OBD-II diagnostic tool can also prepare your car for the TÜV test with the function to check the readiness status. NOTE: This OBD2 code reader shuts off when the ignition is off.
Track your car's performance: the car diagnostic with code reader works best when paired with your car and connected to the OBD2 port. This unique OBD-II engine system diagnostic tool provides a performance test and ride (analysis) that allows you to track engine performance (acceleration, fuel efficiency), coolant temperature, engine speed, voltage, etc. while sending alerts to your phone once an error code is detected while driving. NOTE: This car code reader shuts off when the ignition is turned off.
Supports German language and wide compatibility, error reader car all cars. The XTOOL Advancer AD20 Pro diagnostic device car supports German. You can switch the device to the German language so you understand everything well, and you can also switch to English, Spanish, French, Italian and other languages, which is convenient for different language groups. The AD20 Pro OBD2 diagnostic tool is suitable for most 12V American cars manufactured after 1996, as well as European and Asian cars manufactured after 2000. 24V heavy duty trucks and motorcycles are not supported. Compatible with iOS and Android system
Full System Scan Tool >> Most OBD2 scanners have only 10 full OBDII functions and cannot diagnose and analyse all systems of your vehicle. XTOOL AD20 Pro car diagnostic device intelligently scans all systems of your vehicle and accesses the deep check function that allows you to thoroughly check vehicle systems such as engine, transmission, brakes, steering, safety, infotainment and more. It reads vehicle information, reads/eliminates codes, turns off warning lights, analyzes all performance changes in text format and gets a complete picture of your vehicle. Read a code once and it pays for itself.
Free lifetime updates and customer service: The XTOOL Advancer AD20 Pro car diagnostics comes with a 2-year warranty, 24/7 technical support and lifetime software updates. If you need any help, please do not hesitate to contact us directly for a quick response. We are always there for you!
Easy to install and use: XTOOL AD20 Pro car diagnostic scanner is equipped with fast BT 5.0 connection, can pair with iOS and Android devices, download the "Advancer AD20" from Google Play or App Store to a wealth of functions, including, check engine light on, full system diagnostics, full OBD2 test modes, etc. This AD20PRO OBD diagnostic tool is a cost-effective way for DIY enthusiasts to read/delete codes before taking it to the dealer. Note: Functions may vary by vehicle. Please send us the FIN and required function before purchase to check compatibility.
Detailed explanation of the error code and the error code warning: the fault reader car all cars has diagnostic functions with error code definitions, which are extremely useful for the car owner to fix vehicle problems or replace faulty components. This odb2 diagnostic tool also has an error warning function. If your vehicle has error codes or the coolant temperature is too high, you will receive alerts on your smart device to understand the fault and ensure safer driving. Note: Reads and clears codes only and does not support system resets. Some DTCs required repair before codes were deleted.
BT connection problem ---- Please check the following cases to determine the cause. ●1. Please check the OS version of your device as the scanner is compatible with Android 4.4+ (64-bit processor) and iOS 11+ devices. (Android devices with 32-bit processor are not compatible because they are relatively old on the market) ●2. Please make sure the dongle is firmly inserted into the OBDII port. ●3. Please make sure the network is stable. ●4. Please make sure the vehicle is started or the ignition switch is set to "ON".

35,99 € 59,99 €(40% Off off)