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Home >> Toyota >> 2019 >> Camry LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests (Except Hybrid) >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC U023A: Lost Communication With Image Processing Module "A" [03/2017 - 10/2020] >> Description
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DTC U023A: Lost Communication With Image Processing Module "A" [03/2017 - 10/2020]: Description

When a communication error between the forward recognition camera and power steering ECU (rack and pinion power steering gear assembly) is detected, the forward recognition camera notifies other ECUs and DTC U023A is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U023A Lost Communication With Image Processing Module "A" After the ignition switch is turned to ON for 3 seconds or more, when the vehicle is being driven at a speed of 5 km/h (4 mph) or more, a communication malfunction between the forward recognition camera and power steering ECU (rack and pinion power steering gear assembly) is detected for 5 seconds or more.
  • Power steering system
  • Forward recognition camera