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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (2GR-FXE) - Diagnostic Codes (7 Of 7) >> 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" [02/2014 - 11/2016] >> Description

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" [02/2014 - 11/2016]: Description

For a description of the inverter.

Refer to DESCRIPTION

The MG ECU, which is built into in the inverter with converter assembly, controls motor (MG2) based on commands from the power management control ECU. The MG ECU monitors communication data and detects malfunctions.

The power management control ECU monitors communication data and detects malfunctions.

A communication error between the MG ECU and power management control ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
U0110-159 Lost Communication with Drive Motor Control Module "A" Error in reception from inverter with converter assembly (MG ECU) via serial communication (out of communication standard)
(1 trip detection logic)
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Power management control ECU
  • PCU fuse
Does not come on Master Warning Light:
Comes on
U0110-656 Lost Communication with Drive Motor Control Module "A" Error in reception from inverter with converter assembly (MG ECU) via serial communication (out of communication standard)
(1 trip detection logic)
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Power management control ECU
  • PCU fuse
Does not come on Master Warning Light:
Comes on
U0110-657 Lost Communication with Drive Motor Control Module "A" Error in reception from inverter with converter assembly (MG ECU) via serial communication (no reception)
(1 trip detection logic)
  • Wire harness or connector
  • Inverter with converter assembly
  • Hybrid vehicle transaxle assembly
  • Power management control ECU
  • PCU fuse
Does not come on Master Warning Light:
Comes on