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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Hybrid Control System - Diagnostic Codes (2 Of 7)) >> HYBRID CONTROL SYSTEM (for THS-HEV Model) >> DTC P0A81-11: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground; DTC P0A81-4B: Hybrid/EV Battery Cooling Fan 1 Over Temperature [10/2022 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus RX 350h, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

If the hybrid vehicle control ECU detects that the speed of the battery cooling blower assembly is lower than the target speed, it will illuminate the MIL and store a DTC.

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