DESCRIPTION If the forward recognition camera receives an internal malfunction signal from the power steering ECU (rack and pinion power steering gear assembly), DTC C1A70 is stored.
CAUTION / NOTICE / HINT NOTICE: The lane departure alert system (w/ steering control) uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting. Click here PROCEDURE
HINT: If DTC C1A70 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the power steering system. Click here
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Toyota Avalon Service & Repair Manual > Front Camera System(for Gasoline Model): Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0129,U0142)
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U0100 Lost Communication with ECM / PCM "A" While the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the ...
