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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Hybrid Control System (HEV) - Diagnostic Codes (4 Of 4) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for M20A-FXS) >> DTC U117E-87: Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message [12/2022 - ] >> Description

DTC U117E-87: Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message [12/2022 - ]: Description

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

The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the inverter with converter assembly (MG ECU).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
U117E-87 Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message A CAN communication error between the MG ECU and hybrid vehicle control ECU (CAN communication system malfunction) occurs
(1 trip detection logic)
CAN communication system Comes on Master Warning: Comes on Hybrid Control B SAE Code:
U117E