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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 P162B-87: Lost Communication With Auxiliary Battery Monitor Module Missing Message >> General Description >> Explanation For Circuits

Explanation For Circuits

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Hybrid vehicle control ECU assembly and Battery (12V) sensor detects reception fault individually. The reception fault of Battery (12V) sensor detected by Battery (12V) sensor is sent to Hybrid vehicle control ECU assembly via LIN communication. When fault occurs at either of them, Hybrid vehicle control ECU assembly judges as LIN communication fault and outputs DTC.

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