KINGBOLEN EDIAG PLUS
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KINGBOLEN Ediag Plus is a compact Bluetooth diagnostic scanner built for DIY car owners, automotive enthusiasts, and small repair shops that want professional-level diagnostics without investing in a full-size scan tablet. It combines OE-level full-system diagnostics, bi-directional active tests, ECU coding, 15+ maintenance functions, and 10 full OBD2 functions in one portable tool. AutoVIN and 4-in-1 live data graphing help speed up troubleshooting, while CAN FD expands compatibility with newer vehicles. With support for 120+ vehicle makes, iOS and Android connectivity, 12+ languages, and one year of free software updates, Ediag Plus delivers serious diagnostic capability in an affordable mobile platform.
KINGBOLEN EDIAG PLUS
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How can it be this cheap and good?!
“This little thing is a amazing for the price. Heck it's amazing for more than it's price. Has tons of features. Haven...”
5 out of 5 stars, Lucas -
Professional Scanner offers comprehensive diagnostics from various vehicle systems
“Most obd2 scanner are engine light scanner specifically targets issues causing the Check Engine light to illuminate h...”
5 out of 5 stars, Nick
- Fits-your-car guarantee Listed but won’t work on your car? Full refund, free return.
- 30-day returns From delivery. What qualifies
- 1-year seller warranty Defects handled by our own team.
- Secure checkout Encrypted Shopify checkout.
Key features
- 15+ Maintenance Services + Special Functions
- Bi-Directional Control for Faster Fault Finding
- ECU Coding for Vehicle Customization & Module Matching
- OE-Level Full-System Diagnostics
- 10 Full OBD2 Diagnostic Functions
- AutoVIN for Quicker Vehicle Identification
- Monitor Four Live Data Streams at Once
- Generate, Share & Print Vehicle Health Reports
- CAN FD Support for Newer Vehicles
- Wireless Diagnostics on iOS & Android
- Coverage for 120+ Vehicle Makes
- 1 Year of Free Software Updates
FAQs
Will this scanner work with my car?
Does it work with iPhone (iOS)?
What is Bidirectional Test and do I really need it?
Can it turn off the Check Engine Light?
Does it support oil reset and other maintenance functions?
My car is a 2021+ GM or Ford — will it be compatible?
I have a Jeep/Dodge/Chrysler made after 2019. Will it work?
How often is the software updated, and is it free?
Can I print or share the diagnostic report?
Is this suitable for a beginner with no mechanical experience?

Product details
- 15+Service functions
- 120+Vehicle brands
- 10OBD-II diagnostics
- 1-YearFree updates
Features
Diagnostics
Diagnostics
OE-Level Full-System Diagnostics Across 120+ Vehicle Makes
See far more than just engine faults with OE-level access across the entire vehicle! KINGBOLEN Ediag Plus performs comprehensive full-system diagnostics across 120+ vehicle makes—covering Engine (ECM), Transmission (TCM), ABS, SRS (Airbag), BCM (Body System), EPB, TPMS, BMS (Battery), SAS, ESP, A/C, Wiper, Seat, AWD, Door Lock System, Parking Sensor, Cruise Control, Instrument Cluster, and more:
All-Module Fault Scanning & Clearing: Read and clear diagnostic trouble codes (DTCs), review ECU module information, and investigate faults across multiple systems from one mobile app.
Clear View of Overall Vehicle Health: Gives DIY owners and small repair shops dealership-grade visibility into powertrain, chassis, body, and safety modules.
AutoVIN for Quicker Vehicle Identification
Spend less time manually selecting vehicle details and get straight to troubleshooting! Ediag Plus streamlines the start of every scan:
Automatic VIN & Model Recognition: Automatically identifies the make, model, and VIN of supported vehicles as soon as you connect.
Fast Entry into System Diagnostics: Loads the matching diagnostic menu in seconds—reducing repetitive setup steps during everyday scanning.
10 Full OBD2 Diagnostic Functions for Engine & Emissions
Covers all 10 standard OBD2/EOBD test modes needed for daily check-engine light troubleshooting and emissions inspection readiness:
Complete Engine & Emissions Toolkit: Supports Read & Clear DTCs, I/M Readiness Status, Live Graphical Data Stream, Freeze Frame, O2 Sensor Test, EVAP System Test, On-Board Monitor Test, VIN Identification, DTC Code Lookup, and MIL Reset.
Universal OBD2 Standard Compliance: Works across major communication protocols including SAE J1850, ISO 9141-2, ISO 14230-4 (KWP2000), and ISO 15765 (CAN).
Monitor Four Live Data Streams at Once & Shareable Health Reports
See vehicle performance as it happens and turn every diagnostic scan into professional service documentation:
4-in-1 Live Data Graphing: Merge and compare up to 4 live data parameters on a single graph to spot abnormal sensor changes that might be missed when viewing numbers one by one.
Automatic Full-System Health Reports: Automatically generates a structured vehicle health report containing all scan findings and vehicle information after diagnosis.
Share & Print via Email: Easily share and print diagnostic reports via email to document vehicle condition, preserve repair records, or explain findings clearly to customers.
Advanced Functions
Advanced Functions
Bi-Directional Control for Faster Fault Finding — No Blind Disassembly
Stop guessing which component is causing the problem! KINGBOLEN Ediag Plus sends commands directly from your smartphone to vehicle control modules to activate actuators and open/close valves for real-time testing:
Actively Command Vehicle Components: Turn on radiator fans, modulate the throttle, open/close windows, operate mirrors, switch interior/exterior lights, sound the horn, test door locks, and cycle valves/solenoids on demand.
Isolate Faults Before Replacing Parts: Verify how a component responds in real time to quickly separate an actuator failure from a wiring or control issue.
Confirm Repairs Immediately: Re-test repaired components on the spot to ensure the issue is 100% resolved.
ECU Coding for Vehicle Customization & Module Matching
Go beyond diagnostics with advanced ECU Coding designed for post-repair component matching and personalized hidden-feature activation on compatible brands (including BMW, GM, Mercedes-Benz, and more):
Post-Repair Component Matching: Match and adapt replacement components to the ECU so newly installed parts work seamlessly with the vehicle.
Unlock Hidden Comfort & Lighting Features: Customize supported settings across Power Windows, Illuminated Entry, Warning Settings, Light Control, Sunroof, Air Conditioning, Display Settings, Unit Conversion, Entry & Start, PSD/PBD Operation, and Seat Functions.
Greater Configuration Control: Complete dealer-level vehicle customization right from your mobile device (coding availability varies by vehicle make, model, and year).
15+ Maintenance Services & Special Functions — Skip Unnecessary Shop Visits
Handle routine service work, calibrations, and post-repair relearns from one compact scanner—with 15+ hot reset functions on the main menu and even more special functions inside individual car model software:
Routine Oil, Brake & Tire Resets: Oil Lamp Reset, Brake (EPB) Reset, ABS Bleeding, TPMS Reset, Battery Matching (BMS), and SAS Steering Angle Reset.
Engine, Fuel & Drivetrain Relearns: Injector Coding, DPF Regeneration, Throttle Adaptation / ETS Reset, and Gearbox Matching.
Security, Lighting & Chassis Calibrations: Immobilizer (IMMO) Matching, AFS Headlamp Matching, Suspension Matching, Sunroof Initialization, plus additional model-specific resets inside the vehicle software.
Protocols & Access
Protocols & Access
Built-In CAN FD Support & 120+ Vehicle Makes Coverage
Stay ready for modern high-speed automotive communication architectures across a massive global vehicle lineup:
High-Speed CAN FD Protocol: Delivers faster, more efficient data transmission on modern vehicles that rely on higher-capacity CAN FD electronic networks—without needing extra adapters.
Broad 120+ Brand Compatibility: Covers 120+ U.S., European, and Asian vehicle makes alongside full OBD2/EOBD standards (CAN FD, ISO 15765-4 CAN, ISO 14230-4 KWP2000, ISO 9141-2, SAE J1850).
Hardware & Software
Hardware & Software
Upgraded Bluetooth 5.1 Hardware with DB15 Extension Cable & Ediag App (iOS & Android)
Use the Android or iOS smartphone or tablet you already own as your wireless diagnostic display! KINGBOLEN Ediag Plus pairs the intuitive Ediag App with upgraded, shop-tough hardware:
Dual-Mode Bluetooth 5.1 & Mobile App Workflow: Connects wirelessly to the dedicated Ediag App on iOS and Android devices for fast, stable scanning, coding, and active testing around the vehicle.
0.65m (25.6") DB15 Diagnostic Extension Cable: Includes a flexible DB15-to-OBD2 mainline cable so you can easily reach tight, recessed under-dash OBD ports without bumping your knees.
Double-Sided LED Indicator, TPU Sleeve & Storage Bag: Built with a double-sided indicator light, a drop-resistant ABS + PC + TPU soft rubber sleeve, and a portable zippered storage bag to keep the adapter and cable protected in your tool kit.
Specifications
Specifications
Hardware
Model KINGBOLEN Ediag Plus
Product typeBluetooth CAN-FD bi-directional OBD2 scanner
Dimensions4.74" L × 2.56" W × 1.14" H (120.5 × 65 × 29 mm)
Shell material ABS + PC + TPU rubber sleeve
Indicator Double-sided indicator light
Diagnostic cable0.65 m (25.6 in) DB15-to-OBD2 mainline cable
Working voltage 12 V
Working temperature −10°C to 50°C (14°F to 122°F)
Storage temperature−20°C to 60°C (−4°F to 140°F)
System
App Ediag App
Operating systemAndroid & iOS
Vehicle coverage 120+ vehicle makes
Connectivity
Wireless connection Bluetooth 5.1 dual-mode
Diagnostic interfaceDB15 to 16-pin OBD-II
Updates & Access
Updates & Access
1 Year of Free Software Updates Included — All 120+ Brands & Functions Unlocked!
Get complete full-system diagnostic, bi-directional, and ECU coding power right out of the box—a single repair pays for the tool itself!
- 12 Months of Free All-Software Updates: Every Ediag Plus includes 1 full year of free software updates, giving you access to expanded vehicle coverage, diagnostic software upgrades, and function improvements at no extra cost during the first year.
- Optional Renewal After Year 1: When you want to continue receiving newly released software updates after the complimentary first year, optional annual subscription renewal is available.
Note: Function availability—including full-system diagnostics, bi-directional active tests, ECU coding, AutoVIN, CAN FD, and 15+ maintenance services—varies by vehicle make, model, year, and installed system. Please check vehicle compatibility before purchase when a specific advanced function is required.
In the Box
In the Box
- Ediag Plus×1
- Mainline×1
- Instructions×1
- Storage Bag×1
This little thing is a amazing for the price. Heck it's amazing for more than it's price. Has tons of features. Haven't had any issues with anything I've tried to do with it. I found this while looking for a budget bidirectional scan tool with multiple reset and service functions. This one checked off all my needs and then some. I wasn't sure if I wanted a Bluetooth scan tool because the other ones I've had were lacking in areas and sometimes connections were touchy. This one linked up easily and as soon as I plug it into a port it downloads the vin and the data files it needs for the car. So much data at your finger tips with this along with functions only available on units twice this price. If you want a feature rich scan tool that doesn't break the bank this is the one for you. The only thing I can say I wish was better is the app. The app does take a little bit of getting used to. But once you play with it some it becomes easy to navigate.
Most obd2 scanner are engine light scanner specifically targets issues causing the Check Engine light to illuminate however Kingbolen is a professional scanner that scans multiple vehicle systems.After reviewing the KingBolen EDiag Plus, KingBolen brings experienced shop diagnostics to your mobile device.As I use this app, I've found it to be a valuable tool for both quick checks and in-depth diagnostics.The Graphic User InterfaceThe features are clean intuitive that is easy to navigate and explore, after opening the app you are greeted with recent Reports, History and Coverage List. Quick access to System Diagnostics, Maintenance Functions and obd2 functions. The Layout is easy for both noobies and professionals to find what they are looking for quickly.The Bluetooth connectivity is seamless and the process is straightforward, and the connection is stable through the diagnoses process allowing the user to move around the vehicle without loss of connection while waiting for scan to finish.The app provides a comprehensive set of diagnostic tools as it can read and clear trouble codes, display live data and perform freeze frame analysis and check i/m readiness. Advance functions such as o2 sensor testing and onboard monitoring are also supported. The real-time data display resembles live data logging like open source tuning software.KingBolen is not only tailored to one specific vehicle as it covers a wide variety making it a technicians or individuals perfect tool for diagnostics if working on multiple different type of vehicles. You can create reports that are able to printout or save to pdf for tracking vehicle health.The app is regularly updated to include new features and support for the latest vehicle models. The update process is smooth and can be done directly through the app.In my opinion the KingBolen EDiag Plus offers excellent value for the money, turning your smartphone into a powerful diagnostic tool without the need for expensive standalone devices and even for the inexperienced user that cant get their car to a shop for diagnoses. The robust functionality, ease of use and extensive vehicle coverage makes it worthwhile tool to have.
Perfect for the mobile tech or the DIY weekend mechanic. Many dongles out there plug directly into the DLC on the vehicle which may not fit depending on interior trim. The Ediag has an extension which puts the module away from the connector. This makes it far easier to plug in on any vehicle. 3 status LED's show the condition of communication.This is a full scan tool, not just a code reader. It enables live data on all modules (ABS, SRS, GEM, etc) and bi-directional control capability. Pic is showing a 2000 Expedition, along with data pids and 02 sensor graphing.I recommend spending the time going through the set up instructions. It may seem at first there are many models missing. However, once you do your first diagnostic scan (I chose EOBD on a 2002 dodge ram) it will open up the entire main list of vehicle makes. Each make as you choose, will have to be initially down loaded prior to scanning. After that, you will only have to update it as they become available. This makes it easier as you only have to download the vehicle brands you work on.Comes in a hard case. Small enough to keep in the glove box, or a corner in the tool box. Full support from KingbolenRead moreRead less
I have had several professional scan tools and I like all of them but this one for the size and compatibility with vehicles in portability is an incredible value and a very good tool. It does all makes all models and will do almost all the test and bidirectional functions you need for not even a fraction of what a professional full size scan tool cost. This is used professionally and at home and I have no problems with it whatsoever and the support is second to none. If you have any questions you contact Kingbolen and get excellent customer service..They always respond swiftly.. and lastly, it's amazing because you can download the app to any Android or Apple device. It can be a tablet, a phone, any device, and the program will work perfect on whatever device you have. It turns your device into a high-end scan tool. I use a 8-in Lenovo tablet that I use and it works perfect with this tool!! And one of the most amazing features is you get three full years of updates that's unbeatable!! Don't hesitate if you're on the fence you won't be sorry!😉
I purchased a scanner, because I do a lot of mobile mechanics work, and wanted some thing that was portable and easy to carry. I was a little skeptical because I’ve never heard of the brand name, but wood really drew me was the features. This tool is definitely a good value since it’s Bi-Directional, yes BI-DIRECTIONAL. Rarely have I seen a bidirectional scanner for under $400. So this is definitely a steal for being able to test freeze frame data and more. It has 15 maintenance functions, the most commonly used ones like the brake reset, oil light reset and battery coding which I like. You do have to download the application for it, and it runs off of your phone so as long as you have Wi-Fi or service, it will be functional. Now the only things I noticed is the user interface isn’t the easiest to get used to but once you get the hang of it, it’s not too bad. Also, it did not support a 2019 Ford (USA) Which I thought was a little strange even after doing the upgrades. Hopefully they get that fixed up but otherwise for $150 or less I don’t think there’s a scanner that can do as much as this! Handy little tool.
KINGBOLEN EDIAG PLUS