Service bulletins for the 2003 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.
133 on file from NHTSA, as of 2026-10-19.
About P3191 on the 2003 Toyota PRIUS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P3191 are shown. Show all
| ZTI_Dealer Packa | 2019-10-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Dealer Package: 09/30/19 A watermark has been added to the Dealer Letter to indicate that ZTI expired on September 30, 2019. In our continuing efforts to assure the best in customer satisfaction, Toyota will initiate a Customer Support Program (CSP) to extend the warranty coverage on specific Malfunction Indicator Light (MIL) ?ON? Diagnostic Code for certain 2001 through 2003 model year Prius vehicles. Toyota has received reports that certain 2001 through 2003 model year Prius vehicles may exhibit a MIL (check engine light) ?ON? with the following codes: ? Diagnostic codes P3190 and P3101 with information code 204 or ? Diagnostic codes P3191 and P3101 with information code 205 |
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| 01103 | 2003-10-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MASTER, HYBRID, AND MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES (DTC) P3190, P3191 AND P3101. *TT UPDATED 10/26/07. *NJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.