Standards
These documents are the generic OBD layer. Manufacturer hybrid PIDs sit on top of them; they do not replace them.
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Service modes
SAE J1979 defines ten standardised services (still often called modes). Mode 0x21 and 0x22 are manufacturer-enhanced and are not J1979. UDS 0x22 is a third thing.
| Family | Service | Name |
|---|
European regulatory context
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