MIL ON condition with Diagnostic Trouble Code (DTC) P042000 (Catalyst System Efficiency Below Threshold...
Lexus technical service bulletin L-SB-0030-25 for 2024 Lexus NX.
- Bulletin number
- L-SB-0030-25 (L-SB-0030-25)
- Component
- Electrical system
- Summary
- Some 2024 model year NX 350 vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P042000 (Catalyst System Efficiency Below Threshold Bank 1) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.
Owners of these vehicles have filed 20 complaints in the electrical category.
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