Instrument cluster mileage correction * speedometer copy or clone * How to Change Mileage Copy speedometer clone security program in the speedometer dash programming instrument cluster replaced car don't start change mileage -~-~~-~~~-~~-~- Please watch: "Vehix411 APP for all your genatic, manufacturer spacific trouble codes and oil reset" -~-~~-~~~-~~-~-

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DIY Odometer Reprogramming
A simple instructional video illustrating how to program your digital car odometer using simple electronics, a computer with a serial port, some soldering knowledge and an understanding of hexi-decimal programming. The instrument cluster swap swapped on this Toyota to one from a Lexus. The mileage on the new cluster must be corrected to match the mileage of the vehicle. For more information on the cluster swap, please see this video: Legal stuff: It is illegal to modify or roll back your odometer reading to misrepresent the true mileage of the vehicle without full disclosure to a potential purchaser of your vehicle. In this case, the cluster swap justified correcting the mileage back to the true mileage of the car and wasn't simply a roll back. LINK TO EXCEL SPREADSHEET FOR ODOMETER DECODING:!LkAh3RqR!iCOewuDWPV1gF-nF6eVWwPdFIuuuXsQInzQkIu1FII4 Most vehicles store their digital odometer reading on the instrument cluster on a re-writable EEPROM chip. Once the chip is located, it can be de-soldered from the board and connected to a computer's serial port where its data can be downloaded and manipulated. This will work for most vehicles that store the odometer reading in the cluster itself as opposed to the ECU. The data on the chip is coded in inverted hex values. Through experimentation, a pattern was observed that related the values to the digits on the odometer's digital display. The data is then edited and rewritten to the chip, which is then soldered to the odometer board and put back into the car. Full DIY writeup of the reprogramming here: 1/782562-diy-odometer-reprogramming.html

Speedometer reset procedure
Our first video did not include enough detail. So, we've made a new video that should tell you everything you need to know to perform the reset procedure. Not many cars before 2000 will have a reset, but many of the newer one's do. Unfortunately not many of the service manuals will tell you if there is a reset procedure. Most chryslers after 2000 do have one.

DIY: Odometer Reprogramming
Here's a tutorial on how to reprogram your odometer by yourself at home using $10 in electronic components. This was demonstrated on a Honda Accord. Reprogramming an odometer is done to correct the mileage on the instrument cluster after repairing or swapping clusters. Full write-up available for download here: Tutorial:!ikxxmCoI!XN-ZtxtMN1dpqr80gfrkvfbu6nWR6w_KjQkHqnlS4g4 Odometer Calculator Spreadsheet:!6xggDYoD!MjmmW_AJ88oUC2k84ruTBt2o1vlPJs1GNoHU4kibouM Disclaimer: 1. The information provided should only be used to correct mileage information. While it is not illegal to change your odometer reading, it is illegal to falsify or misrepresent the actual mileage of the vehicle. 2. The odometer display can be easily falsified by swapping clusters to one of a lower mileage. 3. This procedure requires disassembly of the cluster, and de-soldering of SMD components. Use care and caution when dealing with delicate components, and practice first on a spare cluster The mileage on most (Japanese) cars is stored on the instrument cluster itself, and not in the ECU. Therefore the mileage of the original vehicle that the cluster was from will be displayed on the dash. Odometer information is stored on a small EEPROM chip on the circuit board. The chip can be read and written to using a serial programmer. The information is coded in hexi-decimal characters. Odometer correction can be performed using expensive hands on tools, including Honda HDS software. This tutorial demonstrates how you can program the chip directly using nothing but a few resistors, zener diodes and your trusty old computer's serial port. Tools and Parts Required: • Screwdrivers • Soldering iron, solder and a de-soldering pump • Computer with Windows XP and serial port o Wire strippers • Serial programmer - Breadboard - Hookup wire - Female serial port header - 5V from computer power supply - 4.7K ohm resistors - 5V Zener diodes • Serial programming software (PonyProg freeware) • A spare instrument cluster in case you screw up In this case the original cluster read 314K km, and the new cluster read 211K km. The new cluster was then programmed to match the 314K that is on the vehicle. The cluster must be disassembled to access the L56 EEPROM chip. It must then be desoldered from the board to enable writing to the chip. Care must be taken when desoldering SMD components, as mine broke and I had to find a replacement 93C56 chip. Once the chip is connected to the simple serial programmer circuit, it can then be read and written to using PonyProg software. The odometer information is stored in HEX characters, to which an attempt was made to decode. The odometer information is stored in the bottom rows, which were then edited with the new corresponding HEX characters and its checksum, and then written to the chip. Once the chip is soldered to the board it can then be powered on to test the new instrument cluster. The major part of the mileage (thousandths) was decoded, so it matches close enough but not perfectly. An easier option would be to desolder the chip from the old cluster and solder it to the new cluster. Or you can read the info from the old and write it to the new. Just for fun you can program 999,999 and go show some dealerships as a potential trade in. I'm sure they'll be shocked. Reference material: eter-reprogramming.html -dash.html

Finding the EEprom 93c46 93c56 on a Gauge Cluster
Finding the EEProm chip on the gauge cluster that needs to be removed so the odometer can be corrected.