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OBD2 can't connect to ECU

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Old Aug 2nd, 2021, 15:08   #11
Bugjam1999
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Last Online: Yesterday 21:34
Join Date: Nov 2012
Location: London and Cambridge
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Here is the circuit diagram for a code reader and the overview of how to use it.

https://www.volvoclub.org.uk/faq/EngineOBDCodes.html

https://youtu.be/odE9LoTQqwg

Simple enough to make, but if you don’t have time/a soldering iron then Loki makes them, as he said above.

Cheers
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