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Home >> Honda >> 2021 >> Pilot Elite >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Electronic Power Steering (EPS) System - Advanced Diagnostics >> Advanced Diagnostics >> DTC U1100-00: F-CAN Malfunction (EPS Control Unit-Driving Support System Control Unit)
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DTC U1100-00: F-CAN Malfunction (EPS Control Unit-Driving Support System Control Unit)

Confirmation Procedure Basic Condition:
  • IG voltage continued more than 10 V more than 1 second
  • ECU is not in reprogramming mode.

Operating Condition:

  1. Turn the vehicle to the ON mode.
  2. Wait more than 60 seconds after the EPS indicator goes off.
Execution Regular Diagnosis
Duration About 60 seconds
DTC Type
  • 1 drive cycle
  • EPS indicator on
Fail Safe Action
  • Continue EPS function/assist(Continue system diagnosis: EPS function/assist will return to normal when the system returns to normal)
Possible Cause* 1
  • Open or Poor connection between the EPS control unit and the multipurpose camera unit (F-CAN A_H, F-CAN A_L* 3 (F-CAN_H, F-CAN_L)* 4 lines)
  • Multipurpose camera unit failure
  • Steering column/EPS control unit internal failure
Possible Cause* 2
  • Open or Poor connection between the EPS control unit and the CAN gateway (F-CAN A_H, F-CAN A_L lines)
  • Open or Poor connection between the CAN gateway and the multipurpose camera unit (F-CAN A_H, F-CAN A_L lines)
  • Multipurpose camera unit failure
  • Steering column/EPS control unit internal failure

*1: '16-18

*2: '19-21

*3: With auto idle stop system

*4: Without auto idle stop system