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LC 500h
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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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Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2)
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Hybrid Control System
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DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [01/2017 - 05/2023]
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Component Operating Range
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Component Operating Range
Hybrid vehicle control ECU assembly
DTC P3123 (INF P3123-87) is not detected