It even looks like more engineering is put in this product because they implemented the CAN part of the OBDII using a new generation of core like the ARM one, higher cost-efficiency is achieved also because they were capable of reusing the SoC for that purpose at same time keeping the bluetooth stack operating the serial interface, kudos china. To find out more, including how to control cookies, see here: Pins 1, 2, 3, 8, 9, 10, 11, 12, and 13 are unconnected. Add Comment Text Only character limit. Taking a look inside the adapter you can see some problems straight away. I don’t want you spending money on something that is not going to work for you. OK, what should I buy?

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File:Elm – Wikimedia Commons

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. When ELM Electronics sold version 1. Adapters reported as ELM v2. On the link that Dave posted of a list of scan tools suggested by elm electronics all probably Elm chip purchasers there is a link to this Romanian site. Leave a Reply Cancel reply Enter your comment here I need to look into the other three pack request messages to see if they contain SOC information.


Pins 1, 2, 3, 8, 9, 10, 11, 12, and 13 are unconnected. There are three versions: Views Read Edit View history. It may be better in build quality but they stated v2.

It has slots available for 16 pins, but based on the specific signal protocol the vehicle supports, it may not actually use 16 pins. It takes just 5 commands to do it. New applications include smartphones. You may do so in any reasonable manner, but not in cloone way that suggests the licensor endorses you or your use.

Most of the clones are reporting [ELM v1. El327 is so important to buy a good adapter? From Romania claims to use real, but dubious: Ottherwise, we are not aware about coding injectors on Mondeo Mk3. Perhaps the makers of these coone adapters wanted to save costs by not having to include a PIC microcontroller inside the adapter as well as a Bluetooth controller.

Some sensor data could be transmitted with wrong values.

Dissection of a counterfeit ELM327 OBDII Adapter from China

The protocols supported by ELM are: The bottom layer is concerning. I have to make some guesses about the history of fake ELM adapters.

Pretty sure the ebay. It doesn’t exclude, however, other problems with clones like freezing Bluetooth on some requests. All accuracy disputes Articles with disputed statements from April Articles clnoe additional references from August All articles needing additional references Articles needing additional dlm327 from November By using this site, you agree to the Terms of Use and Privacy Policy.


While the basic structure of OBD-II is the same for vehicles from different manufacturers, for the most part, the protocols may vary slightly. This site uses cookies.

Known problems with china clones of ELM – FORScan forum

It was not obvious how to open his unit up so I decided to just buy my own so I would not damage his in the process. However, e,m327 anyone with a proper scan tool can read the diagnostic trouble codes DTCs stored in the system to more specifically determine the problem with the vehicle.

Retrieved 6 May Hello everyone, Sammy, may I know the reason why you think our website http: But this new version only has partial support — as it is a elm3277 and incomplete re-write of the genuine PIC firmware. The ELM adapters are plentiful and cheap. To find out more, including how to control cookies, see here: Known problems with china clones of ELM Elmm327 about adapters and connections – usage, problems, solutions.