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CAN Bus ID 0x1F8 ASC4

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CAN Arbitration ID for ASC4 is 0x1F8.

Its sent out by the DSC traction control module at a refresh rate of 20ms.

  • Byte 0 - S_WHEEL_ACC
  • Byte 1 - Bitfield
    • Bit 0 - S_HDC
    • Bit 1 - S_HDC
    • Bit 2 - S_HDC
  • Status Hill Decent Control
  • 00h = HDC off
  • 01h = HDC disabled, not in correct gear
  • 02h = HDC disabled, not in low range (if applicable)
  • 03h = HDC disabled due to excessive speed
  • 04h = HDC inactive, temporarily
  • 05h = HDC enabled, but not active
  • 06h = HDC active (i.e. enabled and going down hill)
  • 00h = HDC error
    • Bit 3 - L_HDC
    • Bit 4 - always 00h
    • Bit 5 - B_TW_MSR
    • Bit 6 - B_TW_ASC
    • Bit 7 - B_Offroad
  • Byte 2 - P_BRAKE
    Brake Pressure in bar
    Calculation = HEX * 1bar
    Min: 0x00 (0bar)
    Max: 0xFF (255bar)
  • Byte 3 - Bitfield RDR
    • Bit 0 - RDR_VL
    • Bit 1 - RDR_VL
    • Bit 2 - RDR_VR
    • Bit 3 - RDR_VR
    • Bit 4 - RDR_HL
    • Bit 5 - RDR_HL
    • Bit 6 - RDR_HR
    • Bit 7 - RDR_HR
  • Byte 4 - TW_IND_ASR [LSB]
  • Byte 5 - TW_IND_ASR [MSB]
  • Byte 6 - TW_IND_MSR [LSB]
  • Byte 7 - TW_IND_MSR [MSB]
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