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by foobard
3324 days ago
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(Some?) modern cars expose a CAN bus via the OBD port. There typically are pins that adhere to the OBD2 spec as well as additional pins for the CAN bus. On my car (Mk6 VW) there are multiple CAN buses which are separated by a gateway device. A device plugged into the OBD port has to negotiate with the gateway in order to access the other buses, but once it has done so can control the windows, lighting, instrument cluster, etc. |
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