Service bulletins for the 2012 Lexus LS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
79 on file from NHTSA, as of 2026-10-19.
About P0340 on the 2012 Lexus LS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0340 are shown. Show all
| L-TT-0007-10 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rational speed of the engine's crankshaft. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.