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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (6 Of 6) & Circuit Tests (Hybrid)) >> SFI System >> DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message [10/2018 - ] >> Monitor Description

Monitor Description

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The ECM and inverter with converter assembly (MG ECU) send and receive signals via CAN communication.

If a communication error occurs between the ECM and inverter with converter assembly, the ECM illuminates the MIL and stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
U011087 Lost Communication with Drive Motor Control Module "A" Missing Message All of the following conditions are met for 5.6 seconds or more (1 trip detection logic):
  • Power switch on (IG)
  • Auxiliary battery voltage 10 V or higher
  • No communication between ECM and inverter with converter assembly
  • CAN communication system
  • Inverter with converter assembly
  • ECM
 Comes on DTC stored SAE Code: U0110
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