Code No. U0245 AND CAN timeout



caution
  • If diagnosis code No. U0245 is set, be sure to diagnose the CAN bus line.
  • Before replacing ECU, ensure that the communication circuit is normal.

DIAGNOSTIC FUNCTION


When the signal from the CAN box unit (MMCS) cannot be received, KOS-ECU sets the diagnosis code No.U0245.

JUDGEMENT CRITERIA


Check Conditions
  1. Ignition switch: ON
  2. ETACS-ECU system voltage is at 10 to 16 V.
Judgment Criterion
  1. CAN signal from MMCS cannot be received.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


1.M.U.T.-III CAN bus diagnosis
2.Check of ETACS-ECU option coding
3.ETACS-ECU diagnosis code check
4.KOS-ECU diagnosis code recheck