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DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-217 DTC U0428: Communication error in steering wheel sensor CAUTION • If diagnostic trouble code U0428 is set in ASC-ECU, always diagnose the CAN bus lines. If there is any fault • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. • When the steering wheel sensor is replaced, always perform calibration to make ASC-ECU learn the neutral .) • When the hydraulic unit (integrated with ASC-ECU) is replaced, after turning the ignition switch ON and OFF , and .) . CIRCUIT OPERATION The steering wheel sensor outputs the steering wheel status to . DTC SET CONDITIONS This diagnostic trouble code is set when ASC-ECU has . PROBABLE CAUSES • Steering wheel sensor malfunction |