Software module for working with the engine control unit Marelli petrol cars of the VAG group.
Module for working with Magneti Marelli control units installed in petrol cars of the VAG group (Audi/Seat/Skoda/VW).
Which cars and control units does the Bitbox VAG Marelli Petrol module support:
FIDs: 5, 7, 17, 71
Magneti Marelli IAW 7GV (FID: 5)
This control unit is used in VAG group cars with 1.4/1.6 CFNA, CFNB, CLRA, CLPA, CLPB, CLSA, CGGB engines. It supports reading FullFlash and writing calibration areas through the diagnostic connector, as well as checksum correction during writing.
The Magneti Marelli IAW 7GV control unit is based on the Infineon SAK-XC2785X-104F80L processor with 832KB of internal flash memory.
Writing is only performed in the calibration area, which reduces the required time to 3 minutes.
We also recommend the Marelli IAW 7GV calibration editor.
Magneti Marelli IAW 7GVE (FID: 71)
The Magneti Marelli IAW 7GV control unit is based on the Infineon Infineon SAK-XC2xxx processor with 832KB of internal flash memory.
It allows reading FullFlash and writing calibration areas through OBD2.
It supports the 1.4 CGGB engines.
Magneti Marelli IAW 9GV (FID: 7)
The Magneti Marelli IAW 9GV control unit is based on the NXP SPC5634 processor with 1.5MB of internal flash memory.
This control unit is used in VAG group cars with 1.6 CFZA engines running on biofuel. It supports reading and writing FullFlash in BSL mode, as well as checksum correction during writing.
To work with the control unit, it needs to be opened and connected on the table according to the instructions.
Attention! Marelli 9GV works with a limited number of J2534 adapters. Currently, CarDAQ Plus, Bosch VCM2, and Mongoose have been tested and guaranteed to work.
Also, we recommend the calibration editor Marelli IAW 9GV.
Magneti Marelli IAW 4HV (FID: 17)
This unit is used in VAG vehicles with petrol engines 1.4 BUD, BXW, CGGA, CGGB. It supports FullFlash reading and calibration area writing through the diagnostic connector via K-line, as well as checksum correction during writing.
The Magneti Marelli IAW 4HV control unit operates on the basis of the ST10F296 processor with an internal address space of 832 Kb.
The module requires the purchase of aUSB protection key Bitbox. The key can be purchased in our store. An unlimited number of modules can be purchased with one key.
Module activation takes place within 1 hour on business days (usually 10-15 minutes). Activation may be delayed on weekends and public holidays (up to 2 hours).
ONLY the serial number of the key and email are required to activate the module.
To work through the OBD2 connector, a J2534 adapter is required (Scanmatik 2, OpenPort 2.0, Dialink, Mongoose, and others). More about J2534here.
To connect the control unit on the table, additional equipment from the list below must be purchased:
Powerbox and Combibox for PCMflash are fully compatible with Bitbox.
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.
3. Responsibility for Software Functionality
Our store is not responsible for the functionality, performance, or declared features of any software module.
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.
5. Customer Responsibility for Installation
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.
7. No Liability for Incorrect Usage
IOBD.IO is not responsible for issues caused by:
incorrect installation
unsupported or incompatible hardware
improper configuration
third-party interference