U0105

DTC U0105 Lost Communication with ECM
DTC U0121 Lost Communication with Anti-lock Brake System (ABS) Control Module

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

U0105/U0121:

HINT:
^ When two or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
^ If the power steering ECU assembly detects DTC U0121 only, it adjusts the amount of power assistance for a speed of 100 km/h (62 mph) and continues system control.

INSPECTION PROCEDURE
Refer to the U0105 (CAN communication system).
Refer to the U0121 (CAN communication system).