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DTC U023A-87: Lost Communication with Image Processing Module "A" [05/2019 - ]: Description

The forward recognition camera is connected to the skid control ECU (brake booster with master cylinder assembly) via the CAN communication line. When the skid control ECU (brake booster with master cylinder assembly) receives a forward recognition camera communication malfunction signal, the forward recognition camera outputs U023A87.

DTC No. Detection Item DTC Detection Condition Trouble Area
U023A87 Lost Communication with Image Processing Module "A" Once 2 seconds elapse after turning the power switch on (IG), the skid control ECU (brake booster with master cylinder assembly) receives a forward recognition camera communication malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for approximately 3 seconds or more.
  • Electronically controlled brake system
  • Forward recognition camera