Fail-Safe Chart [08/2020 - ]
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
- FAIL-SAFE CHART DYNAMIC TORQUE CONTROL AWD SYSTEM
DTC No. Trouble Area AWD Warning Message Fail-safe Operation Memory Fail-safe Deactivation Condition C120C Linear Solenoid Power Supply System Malfunction Displayed Prohibited Yes Engine switch off C1241 Low or High Power Supply Voltage Displayed Prohibited Yes Engine switch off C1280 Engine Circuit Malfunction Displayed Partially permitted Yes Engine switch off C1296 ABS Malfunction Displayed Prohibited Yes Engine switch off C1297 Steering Angle Sensor Displayed Partially permitted Yes Engine switch off C1298 Linear Solenoid Circuit Displayed Prohibited Yes Engine switch off C1299 Cancellation of 4WD Control Displayed Prohibited Yes Engine switch off C1337 Diameter of the Tire is not Uniform Displayed Prohibited Yes Engine switch off U0073 Control Module Communication Bus Off Displayed Prohibited Yes Communication returned to normal U0100 Lost Communication with ECM / PCM "A" Displayed Partially permitted Yes Communication returned to normal U0126 Lost Communication with Steering Angle Sensor Module Displayed Partially permitted Yes Communication returned to normal U0129 Lost Communication with Brake System Control Module Displayed Prohibited Yes Communication returned to normal