Dtc U0100 Lost Communication With Ecm / Pcm A

Steering. Corolla. Zre142 Aze141
Power Assist Systems. Corolla. Zre142 Aze141

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0129 Lost Communication with Brake System Control Module


DESCRIPTION

The power steering ECU receives signals from the ECM and the skid control ECU via the CAN communication system.

DTC No.
DTC Detection Condition
Trouble Area
U0100
Lost communication with ECM/PCM "A"
  1. CAN communication system
  2. ECM
U0129
Lost communication with brake system control module
  1. CAN communication system
  2. Skid control ECU

INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Clear the DTCs (COROLLA_ZRE142 RM00000275005OX.html).

  1. Check for DTCs (COROLLA_ZRE142 RM00000275005OX.html).

    OK:
    DTC is not output.


NG
GO TO CAN COMMUNICATION SYSTEM (COROLLA_ZRE142 RM000000WI60ACX.html)
OK

CHECK INTERMITTENT PROBLEMS