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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (P-HEV Hybrid Powertrain Control System (Diagnostics) (2 Of 2)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1AC4-13: Hybrid/EV Battery Stack 1 Current Interrupt Device Circuit Open >> General Description >> Overview Of Error

Overview Of Error

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To protect the battery in the case of battery over-charge (overvoltage), the current interruption mechanism (CID) that mechanically interrupts the high voltage circuit is equipped. Hybrid vehicle control ECU assembly detects CID operation in Battery ECU assembly to detect interruption by the CID.

The following are possible causes of the error.

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