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Home >> Lexus >> 2019 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (7 Of 7) & Circuit Tests >> SFI System >> DTC U0155: Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) [08/2019 - ] >> Description
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DTC U0155: Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) [08/2019 - ]: Description

The ECM and combination meter assembly send and receive signals via CAN communication.

If a communication error occurs between the ECM and combination meter assembly, the ECM illuminates the MIL and stores this DTC.

DTC No. DTC Detection Condition Trouble Area
U0155 All of the following conditions are met for 2.6 seconds or more (1 trip detection logic).
  • Engine switch on (IG)
  • Battery voltage is 10 V or higher
  • No communication between ECM and combination meter assembly
  • CAN communication system
  • Combination meter assembly
  • ECM