BitBox China Diesel CAN Module — Reading and Writing ECUs of Chinese Diesel Vehicles
FIDs: 145, 510, 521
The China Diesel CAN module for the BitBox software is designed for reading and writing ECU (Engine Control Unit) flash memory of Chinese-made diesel vehicles.
It supports Delphi ECU series DCM3.7AP, DCM6.2AP, and DCM7.24 via CAN bus with automatic checksum correction.
To activate the module you need a USB key BitBox/BitEdit. When ordering, please indicate the Serial Number of the key.
Delphi DCM3.7AP GWM / Haval (FID: 145)
- Processor: Renesas SH72513
- Flash memory size: 2.0 MB
- Functions: reading and writing via CAN bus with checksum correction.
- Supported vehicles: Great Wall, Haval, and other Chinese diesel models.
This ECU is commonly used in Great Wall and Haval diesel vehicles, providing stable control and diagnostics via BitBox.
Delphi DCM6.2AP Great Wall / Haval (FID: 521)
- Processor: NXP SPC5673
- Flash memory size: 3.0 MB
- Functions: FullFlash reading and calibration writing via CAN bus with checksum correction.
This module enables complete FullFlash reading and safe calibration writing, making it an ideal tool for ECU tuning and diagnostics of Haval and Great Wall diesel vehicles.
Delphi DCM7.24 Yuchai / DongFeng / Foton (FID: 510)
- Processor: Infineon Aurix TC277T
- Flash memory size: 4.0 MB
- Functions: FullFlash reading and calibration writing via CAN bus with checksum correction.
- Supported brands: Yuchai, DongFeng, Foton.
The Delphi DCM7.24 ECU is widely used in trucks and commercial vehicles from Chinese manufacturers, offering full compatibility with BitBox China Diesel CAN and stable performance during programming.
1. No Refunds or Modifications for Digital Licenses
Activated modules or licenses cannot be returned or refunded.
If an incorrect key or device number is entered by the customer, the purchase is not eligible for return.
Licenses cannot be modified, transferred, or reissued for another device under any circumstances.
2. Irreversible Order Processing
After the order status changes to “Waiting for activation”, the data has already been sent to the developer.
From this point onward, the order cannot be canceled, edited, corrected, or refunded.
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We do not guarantee the listed functions because we are not the developer.
4. Accuracy of Product Information
Module and script descriptions are provided directly by the manufacturer.
IOBD.io is not responsible for any inaccuracies, missing details, or differences between the description and actual operation.
In disputed situations regarding functionality or listed features, the customer must contact the manufacturer.
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IOBD.io sells professional automotive diagnostic software and equipment.
Installation, setup, configuration, and compatibility checks must be performed by the customer.
We do not provide remote installation, programming, or setup services unless explicitly stated otherwise.
6. Required Technical Knowledge
These products are intended for users with basic technical knowledge in automotive diagnostics.
The customer is fully responsible for understanding the installation process and using the software and hardware correctly.
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IOBD.IO is not responsible for issues caused by:
incorrect installation
unsupported or incompatible hardware
improper configuration
third-party interference