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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Hybrid Control System - Diagnostic Codes (1 Of 5)) >> Hybrid Control System >> DTC P0A81-11: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground; DTC P0A81-4B: Hybrid/EV Battery Cooling Fan 1 Over Temperature; DTC P0A96-11: Hybrid/EV Battery Cooling Fan 2 Circuit Short to Ground; DTC P0A96-4B: Hybrid/EV Battery Cooling Fan 2 Over Temperature [11/2023 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs P0A84 (INF P0A81-11): Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground
P0A84 (INF P0A81-4B): Hybrid/EV Battery Cooling Fan 1 Over Temperature
P0A99 (INF P0A96-11): Hybrid/EV Battery Cooling Fan 2 Control Circuit Low
P0A99 (INF P0A96-4B): Hybrid/EV Battery Cooling Fan 2 Over Temperature
Required sensors/components Battery cooling blower assembly
Frequency of operation Continuous
Duration TMC's intellectual property
MIL operation 2 driving cycle / 1 driving cycles
Sequence of operation None