INSPECTION PROCEDURE 1. CHECK STEERING ANGLE SENSOR (a) Check the steering angle sensor. Under any of the following conditions, replace the sensor with a new one:
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Toyota Tundra Service Manual > Trailer Brake Control System: ECU Malfunction (C14A7)
DESCRIPTION DTC No. Detection Item INF Code DTC Detection Condition Trouble Area C14A7 ECU Malfunction 71 72 73 74 INF Code: 71 ECU internal malfunction INF Code: 72 Actuator operation driver IC malfunction in ECU INF Code: 73 Actuator operation driver IC operates abnormally even though there is no ...