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| The CAN Bus on BMWs E46 chassis operates at a speed of 500kb/s
| | #REDIRECT [[Siemens_MS43_CAN_Bus]] |
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| ==DME1 0x316==
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| *'''Byte 0 - Bitfield'''
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| **'''Bit 0''' - LV_SWI_IGK - Ignition Voltage State (0 = off, 1 = on)
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| **'''Bit 1''' - LV_F_N_ENG - Crankshaft Sensor State (0 = ok, 1 = error)
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| **'''Bit 2''' - LV_ACK_TCS - Traction Control State (0 = no ASC1 CAN frame received for 500ms or unplausible data, 1 = ok)
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| **'''Bit 3''' - LV_ERR_GC - Gear Change Error State (0 = gear change not or partly possible, 1 = gear change possible)
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| **'''Bit 4''' - SF_TQD
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| **'''Bit 5''' - SF_TQD
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| **'''Bit 6''' - Unused
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| **'''Bit 7''' - LV_F_SUB_TQI - MAF Error State (0 = ok, 1 = error)
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| *'''Byte 1''' - Fuel Consumption LSB
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| *'''Byte 2''' - Fuel Consumption MSB
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| *'''Byte 3 - Bitfield''' - Oil And Cooling Lights
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| **'''Bit 0''' - Oil Level Error LED M5 Cluster
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| **'''Bit 1''' - Oil Level Warning LED Every Other Cluster
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| **'''Bit 2''' - Oil Level Error LED M5 Cluster
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| **'''Bit 3''' - Coolant Overheating Light
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| **'''Bit 4''' - M-Cluster Warm-Up LEDs
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| **'''Bit 5''' - M-Cluster Warm-Up LEDs
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| **'''Bit 6''' - M-Cluster Warm-Up LEDs
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| **'''Bit 7''' - Unused
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| *'''Byte 4''' - Oil Temperature
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| *'''Byte 5''' -
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| *'''Byte 6''' - MSS54HP: Oil Level
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| *'''Byte 7''' - Unused
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| ==DME2 0x329==
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| ==DME4 0x545==
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| *'''Byte 0 - Bitfield''' - Dash Lights
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| **'''Bit 0''' - Unused
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| **'''Bit 1''' - CEL
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| **'''Bit 2''' - Unused
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| **'''Bit 3''' - CRU_MAIN_SWI
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| **'''Bit 4''' - EML
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| **'''Bit 5''' - Unused
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| **'''Bit 6''' - check gas tank cap
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| **'''Bit 7''' - Unused
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| *'''Byte 1''' - Fuel Consumption LSB
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| *'''Byte 2''' - Fuel Consumption MSB
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| *'''Byte 3 - Bitfield''' - Oil And Cooling Lights
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| **'''Bit 0''' - Oil Level Error LED M5 Cluster
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| **'''Bit 1''' - Oil Level Warning LED Every Other Cluster
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| **'''Bit 2''' - Oil Level Error LED M5 Cluster
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| **'''Bit 3''' - Coolant Overheating Light
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| **'''Bit 4''' - M-Cluster Warm-Up LEDs
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| **'''Bit 5''' - M-Cluster Warm-Up LEDs
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| **'''Bit 6''' - M-Cluster Warm-Up LEDs
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| **'''Bit 7''' - Unused
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| *'''Byte 4''' - Oil Temperature
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| *'''Byte 5''' -
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| *'''Byte 6''' - MSS54HP: Oil Level
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| *'''Byte 7''' - Unused
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