LEXUS
L-SB-0033-20
Manufacturer communications
- Publication date
- 2020-08-31
- Received by NHTSA
- 2020-09-14
- NHTSA record numbers
- 10179746 · 10179790
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
TSB: Some 2010 ? 2012 model year RX 450H vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are on and/or a Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, or C1253 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.
Reported code forms
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