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RACELOGIC Support Centre

Problems logging vehicle CAN data


Typical causes of error in CAN Bus systems include the following:

  • Incorrect channel settings for the incoming CAN signal, i.e. CAN format, CAN id, Byte position or Byte length.
  • Wrong baud rate between connected modules and logging system. No data will be transferred at all.
  • CAN High and CAN Low connected the wrong way round. No data will be transferred at all.
  • Lack of termination resistor. This will cause intermittent bursts of, or, no data to be transferred.
  • The RL modules & VCI CAN port assignment is set the wrong way round - there are two CAN ports on a VBOX3i. Check the CAN tab within VBOX Setup has VCI set to the correct port.

See also