GM VIN Tool
Read and update your GM VIN with an ELM327 compatible device purchased separately from many online retailers.
Currently supports GMs with the VPW protocol. These would be your vehicles usually between 1996-2005. Starting in 2004 vehicles started to use CAN protocol which support for will be coming soon!
"The ELM327 is a programmed microcontroller produced by ELM Electronics for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented by other vendors." @ https://en.wikipedia.org/wiki/ELM327
"The J1850 VPW single wire protocol, used by GM may be found on an OBDII bus" @ http://www.interfacebus.com/Design_Automotive_OBDII_Bus.html
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There are MANY ELM327 adapters sold online. Majority of these are China clones.
While these have been tested against and worked, there may be times it may not work properly as they don't incorporate strict ELM327 quality control.
Currently supports GMs with the VPW protocol. These would be your vehicles usually between 1996-2005. Starting in 2004 vehicles started to use CAN protocol which support for will be coming soon!
"The ELM327 is a programmed microcontroller produced by ELM Electronics for translating the on-board diagnostics (OBD) interface found in most modern cars. The ELM327 command protocol is one of the most popular PC-to-OBD interface standards and is also implemented by other vendors." @ https://en.wikipedia.org/wiki/ELM327
"The J1850 VPW single wire protocol, used by GM may be found on an OBDII bus" @ http://www.interfacebus.com/Design_Automotive_OBDII_Bus.html
-----------------------------------------------
There are MANY ELM327 adapters sold online. Majority of these are China clones.
While these have been tested against and worked, there may be times it may not work properly as they don't incorporate strict ELM327 quality control.
Category : Auto & Vehicles
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