DTC B2471: On hook button stuck; DTC B2472: Off hook button stuck; DTC B2473: VR button stuck: Notes

CAUTION:

Before replacing the ECU, ensure that the communication circuit is normal.

Fig 1: Steering Voice Control Switch Circuit < Vehicles Without MMCS > Diagram
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Steering Voice Control Switch Circuit < Vehicles With MMCS > Diagram
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.