Code No. U0155 Meter CAN timeout


caution
  • If the diagnosis code No. U0155 is set, be sure to diagnose the CAN bus line.
  • Before replacing the ECU, combination meter or sensor, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
  • When the illuminated licence plate is installed, the sensors may not operate because of noise from the plate. (When the ultrasonic noise is received, the bass toned buzzer sound continuously. When the ultrasonic noise stops, the normal operation will be resumed immediately.)

DIAGNOSTIC FUNCTION



JUDGEMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of CAN bus line
  • Malfunction of combination meter
  • Malfunction of corner sensor/back sensor-ECU

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics



Q. Is the check result normal?





STEP 2. M.U.T.-III other system diagnosis code



Q. Is the diagnosis code set?





STEP 3. Check the M.U.T.-III Diagnosis code for other systems



Q. Is the diagnosis code set?





STEP 4. Diagnosis code recheck



(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?





STEP 5. Diagnosis code recheck



(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?