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Home >> Toyota >> 2025 >> Prius LE >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Motor Generator Control System (HEV) - Diagnostic Codes (5 Of 5) >> MOTOR GENERATOR CONTROL SYSTEM (for M20A-FXS) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U1170-08: Lost Communication with Brake System Control Module (ch2) Bus Signal / Message Failure; DTC U1170-87: Lost Communication With Brake System Control Module (ch2) Missing Message [12/2022 - ] >> Monitor Description
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Monitor Description

If the motor generator control ECU detect problem with CAN communication with each ECU, it will illuminate the MIL and store a DTC.

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