| ID | B0 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | Description |
|---|---|---|---|---|---|---|---|---|---|
| 40A | 01 | XX | XX | XX | XX | XX | XX | XX | First 7 bytes of VIN in ASCII |
| 40A | 02 | XX | XX | XX | XX | XX | XX | XX | Second 7 bytes of VIN in ASCII |
| 40A | 03 | XX | XX | XX | XX | 00 | 00 | 00 | Last 3 bytes of VIN in ASCII |
| 40A | 04 | XX | XX | XX | XX | 00 | 00 | 00 | Model name? DME1 in my case, DM would fit. |
| ID | Byte | Bit | Default/Idle | Description |
|---|---|---|---|---|
| 091 | Light/wipers stalks | |||
| 091 | 01 | 1 | 0x00 | 1 = fog lamp |
| 091 | 01 | 2..3 | 0x00 | |
| 091 | 01 | 4 | 0x00 | 1 = high beams |
| 091 | 01 | 5 | 0x00 | 1 = headlights |
| 091 | 01 | 6 | 0x00 | 1 = Parking lights |
| 091 | 01 | 7..8 | 0xc0 | Always on ? |
| 091 | 02 | 1 | 0x00 | |
| 091 | 02 | 2 | 0x00 | 1 = auto headlights button pressed |
| 091 | 02 | 3..4 | 0x00 | |
| 091 | 02 | 5 | 0x00 | 1 = right turn signal |
| 091 | 02 | 6 | 0x00 | 1 = left turn signal |
| 091 | 02 | 7 | 0x00 | stalk held in "off" position |
| 091 | 02 | 8 | 0x00 | |
| 091 | 03 | 1 | 0x00 | 1 = rear window washer |
| 091 | 03 | 2 | 0x00 | 1 = front window washer |
| 091 | 03 | 3..4 | 0x00 | 01 = rear wiper fast, 11 = rear wiper slow |
| 091 | 03 | 5..6 | 0x00 | 01 = intermittent/signleshot, 10 = fast, 11 = auto |
| 091 | 03 | 7..8 | 0xc0 | Always on ? |
| 091 | 04 | 1..8 | 0x00 | |
| 091 | 05 | 1..8 | 0x00 | |
| 091 | 06 | 1..8 | 0x00 | Intermittent wipers delay (0x00, 0x32, 0x46, 0x5a) |
| 091 | 07 | 1..4 | Sequence number | |
| 091 | 07 | 5..8 | 0x00 | |
| 091 | 08 | 1..8 | Checksum, target value is 0x67 | |
| 099 | Lights state? | |||
| 099 | 01 | 1..8 | 0x00 | C2 = auto, headlights on, 84 = parking lt. on, C6 = manual, headights on, E7= highbeams on |
| 099 | 02 | 1..8 | 0x70 | |
| 099 | 03 | 1..8 | 0x00 | |
| 099 | 04 | 1..8 | 0x00 | |
| 099 | 05 | 1..8 | 0x1f | |
| 099 | 06 | 1..8 | 0xfe | |
| 099 | 07 | 1..4 | Sequence number | |
| 099 | 07 | 5..8 | 0x10 | |
| 099 | 08 | 1..8 | Checksum (target 5f) |
| 440 | | | | ??? | | 440 | 01 | 1..7 | 0x60 | | | 440 | 01 | 8 | 0 | 1 = driver door open | | 440 | 02 | 1..8 | 0x00 | | | 440 | 03 | 1..8 | 0x00 | | | 440 | 04 | 1..8 | 0x00 | | | 440 | 05 | 1..8 | 0x20 | | | 440 | 06 | 1..8 | 0x01 | | | 440 | 07 | 1..4 | | Sequence number | | 440 | 07 | 5..8 | 0x08 | | | 440 | 08 | 1..8 | | Checksum, target value is 0xB4 | |
| 581 | | | | ** ??? ** | | 581 | 01 | 1..8 | 0x01 | | | 581 | 02 | 1..8 | 0x00 | | | 581 | 03 | 1 | 0x00 | 1 = Dome light on | | 581 | 03 | 2 | 0x00 | 1 = parking lights / instr lights on | | 581 | 03 | 3 | 0x00 | 1 = hazard lights on | | 581 | 03 | 5..8 | 0xa0 | | | 581 | 04 | 1..8 | 0x00 | 0x10 with hazards, 0x80 with parking | | 581 | 05 | 1..8 | 0x10 | | | 581 | 06 | 1..8 | 0x00 | | | 581 | 07 | 1..8 | 0x13 | | | 581 | 08 | 1..8 | 0x01 | | | | | | | | | | | | |