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Home >> Toyota >> 2021 >> Venza XLE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System - Diagnostic Codes (2 Of 2) & Symptom Tests >> Hybrid Battery System >> DTC P1A81-00: Hybrid/EV Battery Stack 1 Delta SOC High (Extreme); DTC P1A86-00: Hybrid/EV Battery Stack 2 Delta SOC High (Extreme) [07/2020 - ] >> Monitor Description

Monitor Description

If the battery ECU assembly detects that the difference in capacity of each HV battery cell exceeds the specified value (excessively), the battery ECU assembly illuminates the MIL and stores a DTC.

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