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Service bulletins for the 2025 Lexus RX

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.

38 on file from NHTSA, as of 2026-10-19.

About C1AB4 on the 2025 Lexus RX: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C1AB4 are shown. Show all

Bulletins, newest first
L-SB-0024-252025-06-06. Service bulletin. ELECTRICAL SYSTEM. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h+ vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes (DTCs) present: •C1AB413 – Outer Mirror Indicator (Module "B" Side) Circuit Open •C1AB513 – Outer Mirror Indicator (Module "A" Side) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.
L-SB-0024-252025-05-15. Service bulletin. ELECTRICAL SYSTEM. Some 2023 – 2025 model year RX 350, RX 350h, RX 500h, and 2024 – 2025 model year TX 350, TX 500h, and TX 550h+ vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes (DTCs) present: •C1AB413 – Outer Mirror Indicator (Module "B" Side) Circuit Open •C1AB513 – Outer Mirror Indicator (Module "A" Side) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.