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Home >> Toyota >> 2023 >> Prius XLE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System (HEV) - Diagnostic Codes (1 Of 2) >> HYBRID BATTERY SYSTEM (for M20A-FXS) >> DTC P0A81-96: Hybrid/EV Battery Cooling Fan 1 Component Internal Failure; DTC P0A81-98: Hybrid/EV Battery Cooling Fan 1 Component or System Over Temperature [12/2022 - ] >> Monitor Description

Monitor Description

If the battery ECU assembly detects that the speed of the battery cooling blower assembly is outside the normal operating range, it will illuminate the MIL and store a DTC.