Launch x431 pro3s+Launch x431 pro3s+ bi-directional scan tool is an upgraded version of the Launch X431 V PRO 4.0 scanner. But unlike its predecessor, this scan tool has a camera that allows users to share car faults with the community. Furthermore, it performs advanced functions like bi-directional control, IMMO, and TPMS functions.

Although it is an advanced diagnostic scanner, the Launch x431 pro3s+ can be used by beginners, startups, and professional mechanics and technicians. This review explains all the essential features, functions, pros, and cons. As a result, if you don’t know what to expect from this scanner, you will, after reading the entire review and can, make an informed choice.

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Launch x431 pro3s+ Bi-Directional Key Programming Scanner Review

The Launch x431 pro3s+ diagnostic scanner is special because it can be used by newbies, home mechanics, and professionals. It is also well-made, fast, stylish, and accurate, covers many functions, and works with an extended range of vehicles.

Technical Specifications of the Launch x431 pro3s+ Scan Tool

Item Dimensions: 24.02 x 7.48 x 16.14 inches
Item Weight: 15.67 pounds
Display Size: 10.1 Inches Touchscreen Display
Service Function: 34+ service functions
EPB Reset: Yes
Oil Lamp Reset: Yes
TPMS Reset: Yes
IMMO Reset: Yes
Vehicle Coverage: PCM, PDM, BCM, TPM, SCCM ECM, EPS, RADIO and etc
Languages Support: 25 Languages
Software Update Option: 2 Years Free Update
Warranty: 5 Years
View Live Data: Yes

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What are the dimensions of the Launch x431 pro3s+ diagnostic scanner?

The Launch x431 is well-designed for ease of use and storage. It is similar to a tablet but with diagnostic features and functions. This tool measures 24.02 x 7.48 x 16.14 – inches and weighs around 15.67 pounds, which is excellent for its size and purpose. So, you can easily keep it in your car’s toolbox or place it in the car’s compartment.

Is the Lunch x431 pro3s+ easy to use?

Yes, the Launch X431 pro3s+ scanner is straightforward to use. Thanks to the user manual that directs new users on operating the tool and diagnosing different faults. Additionally, it has a large 10.1-inch touchscreen that displays all the information obtained from the diagnoses or fixes.Launch x431 pro3s+ Bi-Directional Key Programming scanner Review

Why does the Launch x431 pro3s+ perform outstandingly?

This Launch scan tool performs well because of the excellent hardware that it has. It is fitted with an Android 9.0 with an OCTA core processor, ensuring the scanner runs efficiently and quickly. Moreover, it has a Wi-Fi and Bluetooth connection for easy and efficient use of the scanner. And with the 32GB plus 128GB SSD, the user has a lot of storage space for convenient usage and storage of vital information.

Last, it has a 7000mAh battery that ensures the Lunch X431 pro3s+ scan tool functions even when the vehicle’s power is off. This battery can provide up to 15 hours of runtime, which is fantastic.

What functions does it provide?

The Launch x431 pro3s+ automotive scan tool has many functions, including basic, special, advanced, and high-end features. Some of the notable features are:Launch x431 pro3s+ bi-directional scanner Review

Is the Launch x431 pro3s+ a multilingual device?

This OBD2 scanner is a multilingual unit as it supports more than 25 languages. Some of the languages include English, Spanish, French, German, Portuguese, Russian, Italian, Dutch, Polish, Korean, Japanese, Turkish, Swedish, Finnish, Greek, Chinese, Arabic, and much more.

What cars are compatible with the Launch x431 pro3s+ bi-directional scan tool?

Launch x431 pro3s+ works with most 1996 and later vehicles. It is compatible with 200000+ cars from the USA, Europe, and Asia. Additionally, it works with cars from Brazil, India, Australia, Malaysia, Iran, and China. It works with cars, light trucks, SUVs, trucks, and hybrid vehicles.

Does the manufacturer offer free software updates?

Unlike most scan tool brands that provide a one-year of free software updates, Launch offers users with 2-years of free software updates. But after this period, the user will have to pay a high fee to get the updates annually.

Does Launch provide a warranty?

Yes, Launch provides one of the best warranties on the market. Buyers of the Launch x431 pro3s+ scanner will get a 5-year warranty. Aside from the excellent warranty, Launch also has one of the best customer care support. They are present to help users with different problems concerning their tools or usage.

Who should buy the Launch x431 pro3s+ diagnostic scanner?

Even though the Launch x431 pro3s+ diagnostic scan is expensive with lots of professional features, serious home mechanics, beginner mechanics, or even serious car enthusiasts can use it. It is best suited for busy auto repair shops and experienced mechanics.

Troubleshoot the Launch x431 pro3s+ diagnostic scanner

Problems Possible Cause Solutions
The device won’t power on Low battery or faulty power connection Charge or replace the battery; check power connections
Bluetooth connection issues Distance or interference Move closer to the vehicle, check for obstacles or interference
Inaccurate diagnostic readings Software out-of-date Update the software to the latest version
Touchscreen unresponsive Screen protector or calibration issue Remove screen protector; recalibrate the screen
Cannot connect to the vehicle Compatibility or cable issue Check vehicle compatibility; inspect and replace cables if necessary
Slow performance Software overload or memory issue Close unnecessary applications; clear cache or increase memory
Error codes during operation System malfunction or incorrect operation Refer to the manual for specific error code solutions; restart the device


Final Thoughts

The Lunch X431 pro3s+ bi-directional scan tool is not your average scanner. This is because it offers many advanced functions and works on an extended range of cars made in the US, Asia, and Europe. It is also sturdily constructed to last, and it’s very fast in terms of performance.

Advantages of the Launch x431 pro3s+

Disadvantages of the Launch x431 pro3s+

The only issues that interested buyers should be ready to deal with are the high initial price, yearly software updates, and paying for extra service functions. Generally, it is an excellent tool that anyone can use to fix their car.

Comparison Table: Launch x431 Pro3s+vs. Launch X431 V+ Pro OBD2 Scanner

Features Launch x431 Pro3s+ Launch X431 V+ Pro
Screen Size: 8.0 inches 10.1 inches
Operating System: Andriod 9.0 Andriod 9.0
Frequency:  1.8GHz (8-core) 2.0GHz (4-core)
Wifi:  2.4GHz/5GHz 2.4GHz/5GHz
Battery:   7000 mAh 5000 mAh
Rom:   32GB 32GB
ECU Coding:   Yes Yes
Auto VIN:   Yes Yes
Remote diagnosis:  Yes Yes
Price:  Check Today’s Price Check Today’s Price

Best Alternatives- Autel MaxiCOM MK808TS Scanner

-Upgraded Version of Autel MK808
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-Newest Software
-Newly Released Bi-Directional Control
-28+ Service Functions
-Full TPMS Services
-24/7 online support
-Advanced ECU Coding


Can I use the Launch x431 pro3s+ remotely?

This is one of the benefits of utilizing the Launch x431 pro3s+ bi-directional scanner. It allows you to either use the Launch scanner to diagnose your car or remotely through smartphones, tablets, or computers. Just connect it to Bluetooth wireless and diagnose the vehicle from a convenient place.

Why do I only see 25 functions instead of 31 plus service functions?

Some users have reported seeing a few functions instead of the 31+ functions advertised. If you’re having such a problem, you will have to go through the quick menu of the “Reset” section to discover them. Nonetheless, if you have hooked up the device, you should find or view all the service functions. Go to system functions, then special functions. You should see all of the 31 plus functions.

Why is my car not functioning normally after replacing ECU/modules?

If the ECU module is bad or has failed, you must replace it with a new one. When you’re done replacing the ECU module, you must follow the strict procedures Launch provides to match, lean, code, or program it before it functions normally. If you fail to do so, the car won’t work normally.

Is the Launch x431 pro3s+ bi-directional scan tool compatible with x431 add-on modules?

Yes, this scan tool is compatible with other x431 add-on modules. However, most of them have to be purchased separately. Some of them include X431 PROG 3, X431 VSP-600 Videoscope, X431 ADAS Mobile/ADAS PRO, X431 TSGUN, X431 Heavy Duty Module, and X431 Printer.

Kevin Nicholas is an automotive technician who is a genius at software and hardware-related issues. He manually tested more than a hundred OBD scanners and gave his honest opinion on whether the device was worth the money or not. His in-depth OBD review articles help people choose the right product, whether it is a European, American, or Asian vehicle. He completed his Automotive Specialized Training Course at Universal Technical Institute and has more than 15 years of experience in the field.

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