LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2014 >> RDX AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> VSA System - DTC Troubleshooting & Advanced Diagnostics >> VSA Advanced Diagnostics >> VSA Advanced Diagnostics (2016-18) >> DTC U0104-00: CAN Communication Failure With Driving Support System Control Unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0104-00: CAN Communication Failure With Driving Support System Control Unit

Confirmation Procedure Basic Condition:
  • Battery voltage 9.6 - 16.5 V

With the Driving Pattern:

  • 1.

    Start the engine.

Execution Regular Diagnosis
Duration About 1 second
DTC Type
  • 1 drive cycle
Fail Safe Action
  • Stop driving support system's brake function
Possible Cause
  • Open between the VSA modulator-control unit and the multipurpose camera unit (F CAN-L, F CAN-H lines)
  • Multipurpose camera unit failure
  • VSA modulator-control unit internal failure