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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 137 (Engine Control System (A25A-FXS) (W/ Canister Pump Module) - Diagnostic Codes (12 Of 13)) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC U0110-87: Lost Communication with Drive Motor Control Module "A" Missing Message [02/2019 - 06/2020] >> Monitor Description
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Monitor Description

WARNING: This page is about a different variant/trim than selected.

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
U0110-87 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):
  • Ignition switch ON
  • Auxiliary battery voltage is 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