ELM327 clones were widely sold in devices claiming to contain an ELM327 device, and problems have been reported with the clones. The problems reflect bugs that were present in ELM's version 1.0 microcode those making the clones may continue to sell the old version.Īlthough these pirate clones may contain the ELM327 v1.0 code, they may falsely report the version number as the current version provided by the genuine ELM327, and in some cases report an as-yet non-existent version. Released software versions for the ELM327 are 1.0, 1.3a, 1.4b, 2.1 and 2.2 only. The actual function of these pirate clones is nonetheless limited to the function of the original ELM327 v1.0, with inherent deficiencies. Most of the clones are reporting, despite the fact that Elm Electronics does not have a version 1.5. We note that a free Android app 'ELM327 Identifier' tests 103 different AT codes and uses this information to determine which version of the ELM327 chip is actually present (or is being emulated by a pirate chip). Most of the pirated adapters that claim to be 'v.1.5' or 'v.2.1' actually fail most of the AT codes beyond v.1.4 and will not execute codes characteristic of ELM327 v.1.4b, 2.0, 2.1 or 2.2. #Elm327 ver1 5a software update Bluetooth#įurther, many of the pirated clone adapters do not even have OBDII port pins 2 and 10 connected, rendering them incapable of connecting to the ECU of many Ford and GM vehicles using the SAE J1850-PWM or -VPW protocols. #Elm327 ver1 5a software update android#.
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