Service bulletins for the 2012 Toyota Prius C
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.
366 on file from NHTSA, as of 2026-10-19.
About B2321 on the 2012 Toyota Prius C: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B2321 are shown. Show all
| T-SB-0018-13 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. Some 2012 model year Prius C vehicles may exhibit one or more of the following conditions: ABS and TRC MIL ?ON? with DTC B2321. Keyless Entry and Smart Key features are inoperative. Vehicle interior door lock/unlock switches are inoperative. Multi-Display may show the incorrect door is opened. Shift Position Linked Door Locking Function may not operate, not locking the doors when the shift position is moved out of ?P? position. If any of these conditions are exhibited and the vehicle is able to ?Ready? On (key may need to be held over the ignition button), the Main Body ECU may require replacement. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.