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Jason Young edited this page Sep 1, 2019 · 1 revision

Volkswagen openpilot wiki!

MQB CAN Messages

See the MQB DBC itself for a more complete dictionary, this is intended only for further description of interesting parts.

Index

Arb ID Name Rate Orig Bus Overview
0x86 LWI_01 100Hz ? Steering angle, processed
0x9F EPS_01 100Hz Running Gear Electric power steering torque and other info
0xB2 ESP_19 100Hz ? Stability control, high resolution individual wheel speeds
0xFD ESP_21 50Hz ? Stability control, various
0x101 ESP_02 50Hz ? Stability control, various
0x104 EPB_01 50Hz ? Electronic parking brake
0x106 ESP_05 50Hz ? Stability control, various
0x116 ESP_10 50Hz ? Stability control, raw ABS speed sensor impulse counters
0x117 ACC_10 50Hz Extended ACC radar, stopping distance reduction / forward collision warning
0x11E ? 50Hz ? Vehicle speed

Elaboration for select messages

LWI_01

  • LWI_Lenkradwinkel: Steering wheel angle, with extra compensation applied for progressive/variable ratio steering if applicable to that car

EPS_01

  • Steering_Wheel_Angle: Actual steering wheel angle, without the effect of progressive/variable ratio steering

Acronyms and Translations

  • Botschaft zähler (BZ): Message counter
  • Getriebe: Gearbox / transmission
  • Gierrate: Yaw rate
  • Lenkrad: Steering wheel
  • Lenkradwinkel: Steering wheel angle
  • Treibstraing koordinator (TSK): Drivetrain coordinator