Delay and/or reduction in output of warm air from the HVAC system while the vehicle engine is at normal...
Lexus technical service bulletin L-SB-0017-24 Rev1 for 2023 Lexus RX Hybrid.
- Bulletin number
- L-SB-0017-24 Rev1 (L-SB-0017-24)
- Component
- Electrical system
- Summary
- Some 2023 model year RX 500h vehicles may exhibit a delay and/or reduction in output of warm air from the HVAC system while the vehicle engine is at normal operating temperatures (over 170°F or 77°C). This condition usually occurs immediately after a hot restart, while the vehicle is in Ready ON, but before the internal combustion engine starts. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. REVISION NOTICE April 15, 2024 Rev1: •The Required Tools & Equipment section has been updated.
Vehicles covered
- Lexus RX Hybrid 2023 2023
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