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Z27AG prior art: no sibling capture sought
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
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Mikkeli Matlock
2026-10-13 09:59:05 +09:00
parent ac09363b04
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docs/impl/reports/Z27AG-CAN-PRIOR-ART.md
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@@ -56,8 +56,7 @@ matches the EU CZT's), while its body frames come from smart's SAM module: on th
Mercedes body electronics" ([smartcarmanuals](https://smartcarmanuals.com/models/454-forfour/)). Mercedes body electronics" ([smartcarmanuals](https://smartcarmanuals.com/models/454-forfour/)).
Expect, from a Brabus capture: engine frames equal, chassis frames (ABS, the shared Expect, from a Brabus capture: engine frames equal, chassis frames (ABS, the shared
electric steering) probably equal, body frames different. No Brabus or CZT capture electric steering) probably equal, body frames different. No Brabus or CZT capture
is public; asking an owner for a minute of `candump` at the OBD port is the cheap way is public, and none is being sought: the Z27's own recordings are the source. The same manual notes that the **Euro CZT has no MAP sensor**, so OBD PID
to get one. The same manual notes that the **Euro CZT has no MAP sensor**, so OBD PID
`0B` may be unsupported on the Z27 (`obd-poller` discovers that by itself). The smart `0B` may be unsupported on the Z27 (`obd-poller` discovers that by itself). The smart
fortwo 451 ([hackaday.io](https://hackaday.io/project/19931-smart-fortwo-can-bus-reverse-engineering)) fortwo 451 ([hackaday.io](https://hackaday.io/project/19931-smart-fortwo-can-bus-reverse-engineering))
shares `423` as the cluster status frame, little else. shares `423` as the cluster status frame, little else.