On-Board Computer State Update
From HackTheIBus
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Description
The On-Board Computer (OBC, built into the instrument cluster, IKE) send its state values by this message. A state is either Limit, Memo, Stopwatch, Aux Heating or Code. A message sned by OBC indicates which of this state is active for example
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Format
| Message code | 0x2A |
|---|---|
| Message length | 7 bytes |
| Data size | 2 bytes |
| Frequency | on request (request with On-Board Computer Data Request message, i.e.
3B 05 80 41 1B 01 xx : GT --> IKE : request OBC states |
| DB1 | DB2 |
|---|---|
| State1 | State2 |
State1 (DB1)
Several bits indicating what is active.
- Bit 1 = LIMIT active (1) or deactivated (0)
Other values are currently unknown
State2 (DB2)
Currently unknown
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Example
80 05 E7 2A 02 00 xx
IKE --> ANZV : On-board computer has LIMIT activated
