SmartZDOBD

Name: SmartZDOBD
Author: Shenzhen Zhengde Youbang Technology Co., Ltd

Diag， Diesel，ZDOBD，SmartZDOBD

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🔧 Utilities

Free

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Details

Released
Updated
Version
Compatibility
Age Rating
Size
Devices
Data updated
Languages

June 9, 2025
October 10, 2025
4.20
iOS 12.0+
4+
38.15MB
iPhone, iPod
2 months ago
3

Features

macOS Compatibility

Developer

Shenzhen Zhengde Youbang Technology Co., Ltd

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About

C001 is an intelligent diagnostic tool designed specifically for professional auto repair technicians, integrating fault detection, action testing, and parameter calibration. By connecting to the vehicle's OBD-II interface via Bluetooth, it turns your iPhone into a professional diagnostic device in seconds, allowing you to solve auto repair problems anytime, anywhere. Key Features: Intelligent Fault Diagnosis Quickly read vehicle "identity": Rapidly and accurately read version information of core systems such as the vehicle's ECU, engine, and transmission. Keep track of the vehicle's "health records" in real-time, detect the need for software updates at the first time, and provide a reliable basis for maintenance decisions. Action Test Mode Perform actuator action tests, including DPF regeneration and urea injection tests. Parameter Calibration Tool One-click modification of VIN code. Maintenance Knowledge Base Built-in in-depth analysis library for common faults, covering mainstream vehicle models. Advantages Compact and portable, ready at all times: Put professional diagnostic equipment in your pocket. There's no need to carry bulky instruments – just a mobile phone allows you to carry out diagnostic work anytime, anywhere, making your maintenance services more flexible and timely.

What's New in SmartZDOBD

4.20

October 10, 2025

Dear Users, The software has been updated. We have fixed issues, optimized user experience, and added new features. Here’s a plain-language breakdown: I. Issue Fixes a. Fixed VCI connection failure: The strict restrictions on Mode 81 in the original CAN branch of the protocol stack caused incorrect command sending to the lower-level device; this has now been resolved. b. Fixed data stream issues: Resolved crashes of the data stream executor, failure to recognize random sequence numbers, and protocol stack errors when receiving large data. c. Fixed text display: Multi-line input is automatically converted to single-line display to avoid confusion. d. Fixed system jump/CDB recognition: Eliminated the "parent system undefined" prompt during system jumps and resolved unknown errors when recognizing CDB files without menus. e. Fixed update and download issues: Successful updates of lower-level device firmware/config tables and successful downloads of Chinese-version CDB packages are now ensured. II. User Experience Optimization a. Optimized metric-imperial unit conversion: Removed redundant rules for faster and more accurate conversion. b. Updated startup interface: Now cleaner and more intuitive. c. Overseas version optimization: Added "Condition Mode" – automatic metric-imperial conversion is performed before numerical comparison. III. New Features Added a. New data stream functions: Added display of maximum/minimum values; a "function not supported" prompt is shown when the number of data stream entries is empty. b. New capabilities: Added the CDBD5XX algorithm; added "Condition Mode" to the overseas version. We recommend updating to the latest version as soon as possible. For any issues, please contact [Customer Service].