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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Pre-Collision System - Diagnostic Codes (Hybrid)) >> PRE-COLLISION SYSTEM (for HV Model) >> DTC U1002: Lost Communication with Gateway Module [04/2018 - 08/2021] >> Description

DTC U1002: Lost Communication with Gateway Module [04/2018 - 08/2021]: Description

WARNING: This page is about a different car, the 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is stored when the driving support ECU assembly cannot receive signals from the forward recognition camera or millimeter wave radar sensor assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
U1002 Lost Communication with Gateway Module After the power switch is turned on, communication between the driving support ECU assembly and any of the following components is abnormal for 2 seconds or more
  • Forward recognition camera
  • Millimeter wave radar sensor assembly
  • CAN bus main line, CAN bus branch line or connector
  • Forward recognition camera
  • Millimeter wave radar sensor assembly
  • Driving support ECU assembly
  • No. 8 CAN junction connector
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