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Prius LE
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Repair and Diagnosis (Single Page)
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Hybrid/Electric Powertrain
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Testing and Diagnosis
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Motor Generator Control System (HEV) - Diagnostic Codes (5 Of 5)
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MOTOR GENERATOR CONTROL SYSTEM (for M20A-FXS)
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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 - ]
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Component Operating Range
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Component Operating Range
Motor generator control ECU
DTC U0100 (INF U0100-87) is not detected
DTC U0293 (INF U0293-87) is not detected
DTC U1170 (INF U1170-87) is not detected