Steering. Lexus Is250, Is220D. Gse20 Ale20
Power Steering. Lexus Is250, Is220D. Gse20 Ale20
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.| DTC No. | DTC Detection Item | Inspection Area |
| U0105 | ECM communication error | CAN communication system ECM (when only U0105 is output) |
| U0121 | Skid control ECU communication error | CAN communication system Skid control ECU (when only U0121 is output) |
- 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 (LHD)) (Click here).Refer to the U0105 (CAN communication system (RHD)) (Click here).
Refer to the U0121 (CAN communication system (LHD)) (Click here).
Refer to the U0121 (CAN communication system (RHD)) (Click here).