Toyota Sienna Service Manual: Lost Communication with Steering Angle Sensor Module

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Diagnostic trouble code chart / Lost Communication with Steering Angle Sensor Module

DTC U0126 Lost Communication with Steering Angle Sensor Module

DESCRIPTION

This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU.

DTC No.	DTC Detection Condition	Trouble Area
U0126	While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a steering sensor communication error signal for a certain amount of time, the distance control ECU sends a signal to the ECM to record this trouble code	Communication circuit Steering angle sensor Distance control ECU ECM

INSPECTION PROCEDURE

HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

1 CHECK CAN COMMUNICATION SYSTEM

Refer to HOW TO PROCEED WITH TROUBLESHOOTING

END

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Definition of terms
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