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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Pre-Collision System (Hybrid) - Diagnostic Codes) >> PRE-COLLISION SYSTEM (for HV Model) >> DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message [06/2018 - 08/2021] >> Description

DTC U023A-87: Lost Communication with Image Processing Module "A" Missing Message [06/2018 - 08/2021]: Description

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The forward recognition camera communicates with the skid control ECU (brake booster with master cylinder assembly) via CAN communication.

If a communication error is detected between the skid control ECU (brake booster with master cylinder assembly) and forward recognition camera, the forward recognition camera stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area
U023A-87 Lost Communication with Image Processing Module "A" Missing Message When the power switch is on (IG) for 2 seconds or more, a communication malfunction between the skid control ECU (brake booster with master cylinder assembly) the forward recognition camera is detected for 3 seconds or more.
  • Electronically controlled brake system
  • Forward recognition camera