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Home >> Lexus >> 2017 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes) >> Hybrid Control System >> DTC U0110-159: Lost Communication with Drive Motor Control Module "A"; DTC U0110-656: Lost Communication with Drive Motor Control Module "A"; DTC U0110-657: Lost Communication with Drive Motor Control Module "A" [09/2014 - 10/2015] >> Description
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DTC U0110-159: Lost Communication with Drive Motor Control Module "A"; DTC U0110-656: Lost Communication with Drive Motor Control Module "A"; DTC U0110-657: Lost Communication with Drive Motor Control Module "A" [09/2014 - 10/2015]: Description

For a description of the inverter (See service information). Refer to DESCRIPTION ).

The MG ECU located in the inverter with converter assembly controls MG2 based on commands from the power management control ECU. The MG ECU monitors communication data and detects malfunctions.

DTC No. INF Code DTC Detection Condition Trouble Area
U0110 159 Error in reception from inverter with converter assembly (MG ECU) via serial communication (out of communication standard)
  • Wire harness or connector
  • Inverter with converter assembly
  • Generator cable
  • Motor cable
  • Hybrid vehicle transmission assembly
  • Power management control ECU
  • IGCT No. 4 fuse
656 Error in reception from inverter with converter assembly (MG ECU) via serial communication (out of communication standard)
657 Error in reception from inverter with converter assembly (MG ECU) via serial communication (no reception)