Service bulletins for the 2018 Toyota PRIUS
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.
223 on file from NHTSA, as of 2026-10-19.
About C1391 on the 2018 Toyota PRIUS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: C1391 are shown. Show all
| T-SB-0013-23 | 2023-04-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); LANE DEPARTURE. TSB: Some 2016 ? 2018 model year Prius V vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and/or C1253 will be stored in the vehicle?s memory to be used as verification. This condition may be caused by a small brake fluid leak inside the brake booster assembly with master cylinder. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.