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C: REPLACE ECM (See REMOVAL ) D: REPLACE ECM (See REMOVAL ) A: REPAIR OR REPLACE HARNESS OR CONNECTOR DTC C1231/31: STEERING ANGLE SENSOR CIRCUIT MALFUNCTION DESCRIPTION The steering angle sensor signal is sent to the skid control ECU via the CAN communication system. When DTC DETECTION CONDITION TABLE HINT: DTC C1231/31 is erased automatically when the ignition switch is turned from OFF to ON after the voltage WIRING DIAGRAM DTC Code DTC Detection Condition Trouble Area C1231/31 When any of following conditions 1. Skid control ECU receives abnormal signals from 2. Skid control ECU receives abnormal voltage signals 3. Despite calibration being conducted by skid control 4. Abnormal difference between yaw rate and Steering angle sensor Steering angle sensor circuit Steering angle sensor power CAN communication system
2009 Toyota Tundra 2009 BRAKES Brake Control - Tundra
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