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Prius Prime Plus
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Repair and Diagnosis (Single Page)
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Hybrid/Electric Powertrain
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Battery Management Systems
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Hybrid Battery System - Diagnostic Codes (4 Of 5)
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Hybrid Battery System
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DTC P1AC4-13: Hybrid/EV Battery Stack 1 Current Interrupt Device Circuit Open; DTC P1AC5-13: Hybrid/EV Battery Stack 2 Current Interrupt Device Circuit Open; DTC P1AC6-13: Hybrid/EV Battery Stack 3 Current Interrupt Device Circuit Open; DTC P1AC7-13: Hybrid/EV Battery Stack 4 Current Interrupt Device Circuit Open; DTC P1AC8-13: Hybrid/EV Battery Stack 5 Current Interrupt Device Circuit Open [09/2016 - ]
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Component Operating Range
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Component Operating Range
Battery ECU assembly
DTC P1AC4 (INF P1AC4-13) is not detected
DTC P1AC5 (INF P1AC5-13) is not detected
DTC P1AC6 (INF P1AC6-13) is not detected
DTC P1AC7 (INF P1AC7-13) is not detected
DTC P1AC8 (INF P1AC8-13) is not detected