Best Code Tester Reviews & Alternatives

A code tester can be a great investment for those who want to simplify their work needs. With the increase in standing desk popularity, many people looking for the best code tester feel overwhelmed by the wide range of options available. From traditional code tester  to convertible models, the dizzying slew of choices might make you feel the need to take advantage

What are the features that make the best code tester? These compact and convenient code tester are easy to install and easy to use at the same time. And then there’s the price! Below, we’ll run through the average code tester cost of some of the most popular types, so you can get a good idea of where to start with your budget.

The reasons you should trust us

We recommend products in each review using an intensive research process, spending hours combing through the best available models on Amazon. For a product to make our list of top picks, it must hold a solid sales record on Amazon, have consistently positive customer reviews, and offer unique features, among other factors. After narrowing down our recommendations, we conduct additional research to ensure that the products meet our standards. Once we conclude the research phase, we craft a well-rounded, user-friendly article that includes our recommended products and additional information to help homeowners like you make the right purchase. The following key factors are considered when analyzing:

  • The quality of code tester
  • Each product’s design
  • How it’s built
  • Price comparison
  • How durable [replace-keyword] is
  • Features
  • Cost-effectiveness
  • Versatility
  • Product usability
  • The functionality of the code tester
  • Performance of the products
  • Product dimensions and weight
  • Return policy and warranty, and more.

Best code tester & Features

1. DNOSE DN601 Car Code Reader&12V Battery Voltage Tester 9 Modes OBD2 Scanning Tool Universal Auto OBDII Scanner Check Engine Light for Cars After 1996[2022 New Version]

Features :

  • 👉[Full OBD2 Functions] The DNOSE DN601 car code reader is a new and comprehensive code reader with 9-mode OBDII function. Read and clear engine fault codes quickly, display Live Data and Freeze Frame accurately, show vehicle information and I/M readiness directly, perform On-Board Monitoring Test(Mode 6), O2 Sensor Test and Component Test. Save your time and money on repairing your vehicle.
  • 👉[Check Battery Voltage] The DNOSE DN601 OBDII scanner is not just a OBDII scanner, but also a battery tester. It is able to show the 12V car battery voltage and status for car owners in seconds, which helps users monitor their car batteries more conveniently. With this code reader, you can know the battery condition to decide to change it or not.
  • 👉[Wide Coverage] Supports most 1996 and newer US-based, 2000 EU-based and 2008-Asian based vehicles, including 12V cars, SUVs and light trucks. Also works on ALL OBDII protocols – ISO9141, KWP2000, J1850 PWM, J1850 VPW, and CAN (Controller Area Network). If you are not sure about the compatibility, please do let us know the vehicle information so that we can provide you with further assistance.
  • 👉[Monitor Exhaust Emissions] With the backlit and TFT color screen, this code reader resets the engine light anddisplays the Freeze Frame, Live Data and On-board Monitor clearly and effectively. By using the silicone buttons, you can see the MIL STS, MISFIRE, FUEL SYS, O2 SENSOR, RPM, VSS, MAF, and other essential data to diagnose the root cause that results in vehicle emission-related problems.
  • 👉[11 Languages and DTC Lookup] Be equipped with 11 kinds of language–English, French, Russian, German, Italian, Spanish, Portuguese, Japanese, Simplified Chinese&Traditional Chinese and Polish. DTC Lookup option shows code definitions after choosing the car brand, allowing users to do their job faster, which other simple code readers cannot.

2. Vident iEasy 310Pro OBD2 Scanner, OBD2 Code Reader, 12V Battery Voltage Tester, Enhanced OBD2 Scan Tool

Features :

  • 🚗【Full OBD2 Function Code Reader】 Vident iEasy310Pro is a professional diagnostic hand-held scan tool, fits for mechanics, workshops, or individual users, offering full OBD2 functions for a vast array of car manufactures. Featured with one click I/M Readiness, battery voltage test, DTC Lookup, DIY function, etc. iEasy310pro scanner is built to inspect the emission-related problems on vehicles and turn off the Check Engine Light.
  • 🚗【DTC Lookup and Repair Assistance】The built-in DTC library with 9000+ detailed definition helps you understand the specific engine faults. In addition, we not only support the definition and query of fault codes, but also support the fault code maintenance help function. This function provides some maintenance guidance for some specific faults.
  • 🚗【11 OBD2 MODE Scan】 Vident iEasy310Pro OBD2 Scanner has the functions of read and erase codes, view freeze frame, live data, I/M readiness, On-board monitor test, component test, vehicle information, modules present and unit of measure. Check engine light, retrieve VIN of your vehicle, live data in both graph and text forms, real time curve (Car Speed, Calculate Load Value, Engine Coolant Temp, Engine RPM).
  • 🚗【12V Battery Tester】 Vident ieasy310 Pro can read battery voltage, analyze battery healthy status, view charging status and detect faults and bad cells. Allow you to check battery condition of 12V 100-1100 CCA regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, and give you an accurate test result.
  • 🚗【One-Click I/M Readiness】 Vident iEasy310Pro car fault code reader designed with 2.8” TFT color screen, featuring with three color LED Indicators with alarm, One-Click I/M Readiness for detect emission status and READ/CLEAR Trouble Code Hot keys to help you search trouble codes easily. No need any battery, use it only by connecting the code reader with OBD diagnostic cable.
  • 🚗【Multi-language support and Lifetime Free Update】 Vident ieasy310 Pro engine code reader support 11 languages: English, German, French, Russian, Spanish, Italian, etc. iEasy310Pro OBD2 diagnostic scan tool provides life-time FREE software and hardware update by the PC/USB cable to handle it easily.

Additional Info :

Color Blue
Item Dimensions
Weight 0.82452885988

3. Autel AL539B OBD2 Scanner, 3-in-1 Code Reader Battery Tester Avometer for 12 Volts Batteries, Full OBDII Diagnosis and Circuit Starting & Charging Systems Test

Features :

  • 🚗3-in-1 OBD2 Scanner: Autel AL539B is not only a simple OBD2 code reader, but also a top-rated battery tester with AVOmeter. It is designed to work with most 1996 and newer American, Asian and European OBDII/CAN compliant vehicles, providing you with comprehensive vehicle analysis
  • 🚗BATTERY TEST: AL539B, a expanded function OBD2 scanner with the additional capability of battery testing, is a great solution for you to quickly and accurately test most types of 12V batteries, including AGM, standard and maintenance-free batteries
  • 🚗CIRCUIT TEST: Autel AL539B is not only equipped with an easy-to-read build-in AVOmeter to allow you to test voltage, continuity and current at the fingertip. It will be easy for you to quickly access information about voltage, continuity and current of any vehicle for battery status analysis
  • 🚗Full OBD2 Functions: With AL539B OBD2 Scanner you can operate complete car diagnoses. Such as read/erase code, reade live date and freeze frame, I/M readiness status,O2 sensor test……The most direct and typical functions of this code scanner is to turn off the check engine light (MIL), which is completed via clearing the stored fault codes after the problems are solved
  • 🚗FASTER DIAGNOSES: For faster and more convenient diagnosis, the Autel code reader AL539B supports DTC lookup for detailed codes information retrieval, data playback and print capability for convenient vehicle health status analyzing. Feel free to get technical support via emailer Q&A if you are unsure whether the scanner tool is suitable for your vehicle, or any questions

Additional Info :

Release Date 2018-07-24T00:00:01Z

4. KONNWEI KW681 OBD2 Scanner 6V 12V Car Battery Tester, 2 in 1 Car Diagnostic Scanner Automotive Battery Alternator Load Tester Check Engine Code Reader Scan Tool

Features :

  • 【ENHANCED OBD2 SCANNER & BATTERY TESTER】KONNWEI KW681 is the perfect combination of check engine code reader and 6V&12V car battery alternator load tester. Not only can this obd2 scanner read live O2 sensor test data, freeze frame data, on-board monitor test data, turn off check Engine Light (MIL), clear codes and resets monitor, retrieve vehicle information(VIN, CID and CVN). Also it can provide overall analysis of batteries’ health and help you know its status in advance before it dies.
  • 【AUTOMOTIVE CAR BATTERY TESTER】KW681 can test all 6V & 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. Provide overall analysis of batteries’ health and help you know its status in advance before it dies. KW681 battery tester support cranking and charging system test also alternator and starter test.
  • 【DISPLAY LIVE DATA OR VOLTAGE IN GRAPHING】KW681 obd2 scanner automotive diagnostic tools shows live vehicle sensors data including real-time voltage change in test and graph formats, allows you to focus on any suspicious or symptom-specific data parameters and playback real PID data from the electronic control module. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels, it’s a obd2 car diagnostic scanner for all cars.
  • 【ONE-KEY I/M REDINESS/WAVEFORM】Large TFT color screen and hot keys for I/M readiness access to emission status and battery waveform with one click. Red-Yellow-Green indicator helps to display car status directly. KW681 car computer code reader Work on most 1996 and newer domestic and import gasoline or diesel vehicles(OBDII & CAN) that are located in USA, including passenger cars, SUVs, light trucks, etc.
  • 【Starter& Alternator Tester】KW681 is not only a great battery load tester that tests batteries cranking & charging system but also a great scanners for cars test alternator’s charging and starter’s cranking conditions. Gift box package includes obd2 scanner*1, obd2 cable*1, user manual*1. We provide 3 years long after-sale service to every product, any OBD-II Scanner issue or technical problem is welcomed to consult us, we have the professional engineer 7*24 at your service.

Additional Info :

Color KW-681
Item Dimensions
Height 0.787401574
Width 0.393700787
Length 1.181102361

5. AUTOPHIX 3210 Bluetooth OBD2 Scanner Enhanced Universal Car Diagnostic Scanner for iPhone, iPad & Android, Fault Code Reader Plus Battery Tester Exclusive App for Quality-Newest Generation

Features :

  • ➤【Powerful Check Engine Light Diagnostics】Can read and diagnose your check engine light, understand the severity of the issue, and clear fault codes in a blink of an eye. More functions compared to other simple scanner like I/M Readiness, Battery Health Check, Freeze frame, O2 sensor test, On-Board Monitoring, Evap system test, Performance Test, Data Stream, and Diagnostic reports, Handy google search button, Built-in OBD II Fault code look-up library.
  • ➤【Necessary Battery Tester】Have you ever noticed many other scanner tools without battery tester functionality, which costs you extra or more, However, AUTOPHIX 3210 can Check the health of your battery and voltage with a tap on your phone screen, so it is in great condition when you need it the most on a freezing winter day without opening the bonnet.
  • ➤【 Works on your car and your Language】A necessary wireless/Bluetooth car diagnostic tool/fault code reader for today’s car owners, downloadable on both iPhone iOS, Ipad and Android.3210 universal bluetooth OBD2 scanner Works on more vehicles than any scan tool on the market including all cars 1990 or newer and light trucks sold in the United States (except hybrid or electric vehicles). it works in English, German, Spanish, Finnish, French, Italian, Dutch, Portuguese and Chinese.
  • ➤【 Key Point】Don’t just read vehicle malfunction codes and give you code definitions, but more importantly informs you what the possible problems are with your vehicle, even if you know absolutely nothing about cars. We are here to help you know the car troubles and clear the error code for saving money, so the understandable fault code definition is important for you.
  • ➤【What You Get】: AUTOPHIX bluetooth code reader,We offered you with 3 years of warranty service,90-day money back guarantee and 24h after-sales service, If you have any questions, please freely let us know. Proudly designed in the USA by Professional Engineers. Tested in 50+ local car dealers in the United States before Mass production. Autophix only does car scanning. We are professional for your cars.

Additional Info :

Color Professional Car OBD II Scanner
Item Dimensions
Height 0.98
Width 1.97
Length 2.36

6. INNOVA 3040RS, OBD2 Scanner, Live Data Streamer, Battery/Alt Tester, Reset Check Engine Light/Brake Light/Oil Light, Free Mechanic Recommended Fix & Parts & Est Repair Cost, Lifetime Free Update

Features :

  • EASY TO USE – With INNOVA 3040RS OBD2 Engine Diagnostic Code Reader Tool, it is very simple for someone who has no experience. Always good to go to a real mechanic if you are concerned or have no experience, but this can at least diagnose the problem and NO NEED to try google the severity of the issue.
  • FULL 10 MODES AND MORE – The INNOVA 3040RS Code Reader Tool get unparalleled access to global OBD2 systems, functions, and information. The Scanner tool included for free and now with unlimited vehicle health reports. It empower yourself with verified fixes, parts required for repair, maintenance schedules, technical service bulletins, recalls, and more.
  • BATTERY TEST TO SAVE YOUR TIME – The INNOVA 3040RS Engine Diagnostic Code Reader Tool ensures your vehicle is programmed correctly to accept a new battery. It does so by checking if the batteries and alternators are in line with voltage specs recommended for the vehicle. When troubleshooting a no start/hard start condition, carrying out this test really helps in knowing where to look, hence saving time.
  • LIVE DATA – With the INNOVA 3040RS OBD2 Scanner you can get your vehicle’s essential information like RPM, speed, and oil temperature in real-time to help identify and correct problems.
  • DESIGNED IN USA – The INNOVA 3040RS Engine Diagnostic Code Reader is proudly American owned. It empowers the home mechanics with its professional-level functionality but entry-level difficulty, for it is designed and developed in the US and supported by unmatched technical assistance from a staff of all ASE certified technicians.

Additional Info :

Item Dimensions
Weight 0.81

7. MOTOPOWER MP69036 Car OBD2 Code Reader Scanner Engine Code Reader 2 in 1 OBD2 Diagnostic Tool and 12V Battery Load Tester

Features :

  • ✅【OBD2 Scanner with Accuracy】- A multi-function OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
  • ✅【Wide Capability】- Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II / EOBD & CAN domestic or import vehicles. Supports 6 languages – English,German, Dutch, Spanish, French, Italian.
  • ✅【Battery Load Tester】- With the additional battery clamp cable, it can be used as a 12v battery load tester. Applied with the latest testing algorithm, the tester will scan the battery and get the results in seconds, including the State of Health, the State of Charge, the Internal Resistance and the Testing Conclusion (Poor, Good, Great). All types of 12V 300-2000CCA lead acid batteries can be tested, including Regular Flooded, AGM Flat Plate, AGM Spiral, GEL and EFB.
  • ✅【3.9″ Full Color LCD Display】- The 3.9″ Full Color LCD screen (800*400 pixel) is eye-friendly and easy to read. Provides you a more comfortable visual experience at every inspection.Check the Live data in both graph and text with the clear view of subtile changes. A professional tool with the professional visual presentation.
  • ✅【A Must Tool for Mechanic】- No battery required, it is powered by the OBDII interface in your vehicle directly. Take it with your vehicle or keep it in your garage as a daily tool. No need to drive miles for mechanic checking. Just plug and play. To be your own mechanic. Save your bucks.

Additional Info :

Item Dimensions
Height 1.181102361
Width 3.149606296
Length 7.086614166

8. KONNWEI KW870 OBD2 Scanner with 6V 12V Battery Tester, 2 in 1 Car Diagnostic Scanner Automotive Battery Alternator Load Tester Check Engine Code Reader Scan Tool

Features :

  • 【ENHANCED OBD2 SCANNER & 6V 12 V BATTERY TESTER】KONNWEI KW870 is the perfect combination of check engine code reader and 6V&12V car battery alternator load tester. Not only can this obd2 scanner read live O2 sensor, freeze frame data, on-board monitor test data, turn off check Engine Light (MIL), clear codes and resets monitor, retrieve vehicle information(VIN, CID and CVN). Also it can provide overall analysis of batteries’ health and help you know its status in advance before it dies.
  • 【AUTOMOTIVE CAR BATTERY TESTER】KW870 can test all 6V & 12V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. Provide overall analysis of batteries’ health and help you know its status in advance before it dies. KW870 battery tester support cranking and charging system test also alternator and starter test.
  • 【DISPLAY LIVE DATA OR VOLTAGE IN GRAPHING】kw870 obd2 scanner automotive diagnostic tools shows live vehicle sensors data including real-time voltage change in test and graph formats, allows you to focus on any suspicious or symptom-specific data parameters and playback real PID data from the electronic control module. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels, it’s a obd2 car diagnostic scanner for all cars.
  • 【ONE-KEY I/M REDINESS/WAVEFORM】Large TFT color screen and hot keys for I/M readiness access to emission status and battery waveform with one click. Red-Yellow-Green indicator helps to display car status directly. KW870 car computer code reader Work on most 1996 and newer domestic and import gasoline or diesel vehicles(OBDII & CAN) that are located in USA, including passenger cars, SUVs, light trucks, etc.
  • 【STARTER & ALTERNATOR TESTER】KW870 is not only a great battery load tester that tests batteries cranking & charging system but also a great scanners for cars test alternator’s charging and starter’s cranking conditions. Gift box package includes obd2 scanner*1, obd2 cable*1, user manual*1. We provide 3 years long after-sale service to every product, any OBD-II Scanner issue or technical problem is welcomed to consult us, we have the professional engineer 7*24 at your service.

9. Autel AL539 Code Reader OBD2 Scanner Scan Tool Car Electrical Tester with Full OBD2 Diagnoses and Avometer Function(Upgraded Version of AL519)

Features :

  • AVOmeter Function: The Autel code reader AL539 equipped with the easy-to-read AVOmeter function for circuit test, starting test and charging system test, helping you monitor electronic-related faults of cars,which are things you can’t do with the previous model, AL519. Note: Diagnose 12V systems and voltage of car battery.
  • Full OBD2 Functions: This scan tool has full OBD2 functions for complete car diagnoses.With this car scanner you can quickly turn the check engine light off. Enter the Read codes interface from diagnostic menu, get the DTC and clear it then the MIL will be turned off.
  • Emission Monitoring: This code scanner is equipped with practical functions of I/M Readiness check, O2 Sensor Test and On-board Monitor Test. You can pass the emission tests smoothly after checking and will not be fined because of emission problems.
  • Information Tracking: The live data of this code reader is to show you the real-time vehicle information and the freeze frame data are the saved parameters and data when the malfunction occurred. You can know more details about your cars performance and operating status of key systems.
  • Other Features: Besides complete OBD2 functions, this car scanner supports DTC Lookup for DTC definitions and printing via PC, which is convenient for getting the required information to help facilitate your repair work.

Additional Info :

Item Dimensions
Weight 2.32
Release Date 2018-07-24T00:00:01Z

10. CodeMate Tester – MEFI Code Reader – 3851088

Features :

  • Compatible with MEFI-1 thru MEFI-4 marine EFI systems,
  • checks the integrity of its sensors and controls
  • can be used as a system Malfunction Indicator Lamp (MIL); a trouble code display & erase tool; and a base spark timing tool.
  • this tool is not for use with MEFI-5, MerCruiser PCM-555, ECM-555, Volvo Penta EGC or other marine EFI systems.

Buying Guide for code tester

To help you buy the perfect code tester for your needs and requirements, we have mentioned some of the best code tester in this article. Not only that, but you can also learn about their differences as we have mentioned their major features and options.

To help you on your way, we’ve listed some questions you may want to consider before making any purchase.

  • Why do I want to buy this?
  • Do I need it or just want it?
  • Am I getting the best deal?
  • How often will I use it?
  • Can I pay cash for it?
  • Is it budgeted for?
  • Can I borrow it?
  • Can I get it used?

Although, if you still want to learn more about these code tester for buying the perfect one, we are here with a detailed buying guide just for you. Since this buying guide is related to code tester, you can find many major features and aspects related to code tester. Thus, you can easily choose the perfect one by going through this article until the end.

Durability

The code tester should last more than one use and hold up against normal wear and tear. We recommend reading the product description before purchasing code tester to ensure they’ll last a while. Additionally, pay attention to the wash instructions.

Versatility

When choosing the best code tester, you must consider its versatility.  It is important to make sure that your unit can be used for performing different tasks.

For instance, if you need to use your unit for other purposes in any other materials, getting the one with a versatile design will be an ideal option for you.

Brand

The brand is another crucial factor you must consider while looking for the code tester.  You will find both well-known and unknown brands in the market. If you are looking for a reliable and durable model, I recommend getting one from a well-known brand.

They use high-quality materials and the latest technology to manufacture their products.  As a result, you will be able to get a durable and long-lasting code tester.

Ease of Use

While choosing the code tester, you must ensure that it is easy to use.  It is important to get the one that comes with a user-friendly design.

 

As a result, you will be able to use your unit for a long time without facing any discomfort.  Also, getting the one that comes with an easy-to-use design will help you save a lot of time and effort.

Price

The price is another essential factor you must consider while looking for the code tester.  You need to get the one that fits your budget perfectly.

Getting the one that comes at an affordable price will help you save a lot of money.  However, you must ensure that it meets your needs and requirements perfectly.

Portability

The code tester should be easy to carry for you. Therefore, consider the size, style, design, and all the other basic features to check for the actual portability of the device. Portability comes with comfort and ease, and you need to look for all the features to look for a suitable code tester.

Budget

The price of your code tester will depend upon its features and the overall quality. There are some inexpensive options in the market, but they may not have the best features.

The term ‘budget’ is broader because it completely depends on the user who wants to purchase the code tester. In this case, you can prepare a list of all the features you want to have in your code tester. Then, look for the product that comes with these features and works well.

After that, you should carefully check the prices of each air compressor machine on your list. This will give you a precise idea about the budget you need to prepare for the code tester you should go after.

Weight

It is important to consider your unit’s weight while working in congested areas. Getting a lightweight model will be ideal if you need to work regularly in difficult-to-reach places.

However, if portability is not your concern and you are looking for a durable model, you can go for the one with a little heavyweight.

Warranty

The warranty of code tester is when the manufacturer offers free repairs or replacements for any damages that occur to the product.

You need to check the warranty of code tester before buying it, as you don’t want a product that doesn’t come with a warranty.

At the same time, you also need to remember that some code tester come with a longer warranty than others, so select one with a long warranty if possible.

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