E46 CAN Bus

The CAN Bus on BMWs E46 chassis operates at a speed of 500kb/s

DME1 0x316

Refresh Rate: 10ms

• Byte 0 - Bitfield
  • Bit 0 - LV_SWI_IGK - Ignition Voltage State (0 = off, 1 = on)
  • Bit 1 - LV_F_N_ENG - Crankshaft Sensor State (0 = ok, 1 = error)
  • Bit 2 - LV_ACK_TCS - Traction Control State (0 = no ASC1 CAN frame received for 500ms or unplausible data, 1 = ok)
  • Bit 3 - LV_ERR_GC - Gear Change Error State (0 = gear change not or partly possible, 1 = gear change possible)
  • Bit 4 - SF_TQD
  • Bit 5 - SF_TQD
  • Bit 6 - Unused
  • Bit 7 - LV_F_SUB_TQI - MAF Error State (0 = ok, 1 = error)
• Byte 1 - TQI_TQR_CAN
• Byte 2 - N_ENG - Engine Speed LSB
• Byte 3 - N_ENG - Engine Speed MSB
• Byte 4 - TQI_CAN
• Byte 5 - TQ_LOSS_CAN
• Byte 6 - TQI_MAF_CAN
• Byte 7 - Bitfield
  • Bit 0 - ERR_AMT_CAN
  • Bit 1 - ERR_AMT_CAN

DME2 0x329

Refresh Rate: 10ms

• Byte 0 - Multiplexed Information
  • Bit 0 - MUX_INFO
  • Bit 1 - MUX_INFO
  • Bit 2 - MUX_INFO
  • Bit 3 - MUX_INFO
  • Bit 4 - MUX_INFO
  • Bit 5 - MUX_INFO
  • Bit 6 - MUX_CODE
  • Bit 7 - MUX_CODE
• Byte 1 - TEMP_ENG
• Byte 2 - AMP_CAN
• Byte 3 - Bitfield
  • Bit 0 - LV_SWI_CLU
  • Bit 1 - LV_LEVEL_IS
  • Bit 2 - LV_ACK_CRU_AD_ECU
  • Bit 3 - LV_ERU_CAN
  • Bit 4 - STATE_CRU_CAN
  • Bit 5 - STATE_MSW_CAN
  • Bit 6 - STATE_MSW_CAN
  • Bit 7 - STATE_MSW_CAN
• Byte 4 - TPS_VIRT_CRU_CAN
• Byte 5 - TPS_CAN
• Byte 6 - Bitfield
  • Bit 0 - LV_BS
  • Bit 1 - LV_ERR_BS
  • Bit 2 - LV_KD_CAN
  • Bit 3 - STATE_CRU_CAN
  • Bit 4 - STATE_CRU_CAN
  • Bit 5 - STATE_CRU_CAN
  • Bit 6 - REQ_SHIFTLOCK
  • Bit 7 - REQ_SHIFTLOCK
• Byte 7 - Unused

DME4 0x545

Refresh Rate: 10ms

• Byte 0 - Bitfield
  • Bit 0 - Diesel: Pre-Glow Active
  • Bit 1 - LV_MIL - Check Engine Light
  • Bit 2 - Unused
  • Bit 3 - LV_MAIN_SWI_CRU - CRU_MAIN_SWI
  • Bit 4 - LV_ETC_DIAG - EML Light
  • Bit 5 - Diesel: Boost Control Failure
  • Bit 6 - LV_FUC_CAN - Fuel Tank Cap Light
  • Bit 7 - Unused
• Byte 1 - FCO - Fuel Consumption LSB
• Byte 2 - FCO - Fuel Consumption MSB
• Byte 3 - Bitfield
  • Bit 0 - Oil Level Error LED M5 Cluster
  • Bit 1 - Oil Level Warning LED Every Other Cluster
  • Bit 2 - Oil Level Error LED M5 Cluster
  • Bit 3 - LV_TEMP_ENG - Coolant Overheating Light
  • Bit 4 - M-Cluster Warm-Up LEDs
  • Bit 5 - M-Cluster Warm-Up LEDs
  • Bit 6 - M-Cluster Warm-Up LEDs
  • Bit 7 - Unused
• Byte 4 - TOIL_CAN - Oil Temperature
• Byte 5 -
• Byte 6 - MSS54HP: Oil Level
• Byte 7 - Unused

SSG1 0x43D

Refresh Rate: 10ms

EGS1 0x43F

Refresh Rate: 10ms

ICL2 0x613

Refresh Rate: 200ms

ICL3 0x615

Refresh Rate: 200ms