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Reading OBD2 port with a General motyors reader ?

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Old Jun 13, 2022 | 11:45 AM
  #1  
Externet's Avatar
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Question Reading OBD2 port with a General motyors reader ?

Hi.
Are Land Rover and General Motors the same connector pins wiring ? Cannot read with my GM reader, shows error. This not about ABS, just engine reader.

Perhaps have to swap some wiring in the reader to make it work ? Any experiences, please ?
 
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Old Jun 13, 2022 | 02:51 PM
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Originally Posted by Externet
Hi.
Are Land Rover and General Motors the same connector pins wiring ? Cannot read with my GM reader, shows error. This not about ABS, just engine reader.

Perhaps have to swap some wiring in the reader to make it work ? Any experiences, please ?
OBD2 is a collection of standards, interfaces, and protocols. its not as universal as many think.

GM uses J1850 or ISO15765 depending on the year. Your D2 uses ISO 9141-2. they are on different pins and are not the same language. The GM reader likely won't work at all on your rover.
 
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Old Jun 13, 2022 | 03:34 PM
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Thank you, that explains it. As always, making a standard that gets deformed by every manufacturer the way they want to make our lives more complex.
 
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Old Jun 14, 2022 | 07:20 AM
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Originally Posted by Externet
Thank you, that explains it. As always, making a standard that gets deformed by every manufacturer the way they want to make our lives more complex.
It's a "luxury vehicle" thing, GM wouldn't understand.
 
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Old Jun 15, 2022 | 05:50 AM
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Originally Posted by Sandman614
It's a "luxury vehicle" thing, GM wouldn't understand.
Its a BMW, Ford and Tata luxury vehicle thing!!!
 
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