Radio Decoding from EEprom Dump reading

How to generate radio code from dump

This tutorial is for replying to questions of newbies in car radio decoding and Dump reading :
The answers for this kind of questions : eeprom location, how to read eeproms, what is Dump, how to unlock radio from Dump… 

1- Code storage in Eprom or Mcu memory : 

Most of car Radios contain eproms like 24cXX and 93cXX or Mcu like Motorola 68Hc***X , these ICs are used to store radio configuration and security code.
 2- What is the location of the eprom radio circuit ?
In most cases eprom is in mainboard, but some radios like Kenwood and Clarion have it in tuner.

24C08 eeprom

Motorola MCU

3- How to read Eeprom Dump :
EEprom Programmer is the hardware you need to read and write in eeprom ICs. It is very easy to make if you have knowledge and patience. 
PONYPROG is a cheap one if you like to buy it, but if you want to build it Here is all schematic needed.

Eeprom Programmer 4- What's a Dump : In carradio decoding domain, a dump is a back up of data contained in the MCU or eeprom memory of your car radio, The Extension of dump file can be .HEX .BIN .E2P 5- Witch software is needed to read dumps ? In addition to the hardware eeprom programmer, you need a software to read Dumps. The most used are Ponyprog and Ic Prog .

6- After i read dump how can i get code from it ?

After reading your dump, you must use the appropriate code calculator from DUMP for your car radio model, just load dump to the software and hit calculate button.
In some cases you can get code directly from the hexadecimal file by following the eeprom address where the code is located (see example).

This is how to get volkswagen alpha stereo code from dump eeprom

If there is something not clear, then you can ask questions and write comments and i will help. you can also do a google search from the top of the page.

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The Best Car Audio Brands – Determining Features that are Important

Deciding the best car audio brands to choose from might depend on exactly what kind of system is desired. It will also depend on the individual budget available to spend on a car audio system. It seems that currently more people are looking for more than just a simple car audio system. Entertainment systems that are attached to the audio system are a growing trend. People spend a lot of time in their cars and tend to want something extra to keep the children entertained. Companies are continuously improving their products and adding the latest technology. There are numerous brands to choose from whatever components are desired.




When searching for the perfect audio system and best car audio brands it is wise to determine what features are most important. Most companies also offer a variety of car audio systems to meet every budget. The better quality of the audio system and the more features that are offered, the more expensive the system will cost. There are plenty of good audio systems available that are quite affordable. It may be helpful to research the different car audio brands available. Many brands have the complete audio system package available, while other may only have certain components of the system.



One of the most popular brands, and one that many would consider one of the best car audio brands, is Pioneer. Pioneer offers a variety of products including all the major components required in a good audio system. They provide a full line of amplifiers, subwoofers, speakers, CD changers, CD players, MP3 players, and a variety of navigation systems. The Pioneer AVIC-Z110BT in particular, offers GPS navigation, multimedia and DVD playback, and Bluetooth hands-free calling. It also has voice control of most of the major functions. This Pioneer audio system has a 7-inch color touch screen with a nonremovable, motorized faceplate.

Many people are partial to Alpine audio systems. Alpine offers high quality audio performance, and a large variety of audio, navigation, and multi-media products. The Alpine iDA-X305 offers a quicksearch function that allows people with large digital audio collections to search through their libraries in no time. This system is best for people who like to listen to MP3 audio. It provides a very easy to use interface for in-car browsing of digital media. It does not feature a CD player. Panasonic and Sony also provide a large range of product choices. As far as the best car audio brands, people tend to stick with what they know.