# P3191 on the 2010 Toyota PRIUS

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P3191

- [10133900](https://open.wenmarpro.com/bulletins/10133900), 2018-04-23: Some 2010\-2011 model year Prius vehicles may exhibit a MIL "ON" condition with DTCs P3190, P3191, P0A0F, and/or purge VSV/PCV line separation from the throttle body housing.
- [10111294](https://open.wenmarpro.com/bulletins/10111294), 2017-08-14: TSB: Some 2010 \- 2013 model year Prius and 2012 \- 2013 model year Prius V vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code\(s\) \(DTCs\) P0A0F \(Engine Failed to Start\), caused by Purge VSV/PCV line separation from the throttle body housing. One or more of the following DTCs may also set: \* P3190 \(Poor Engine Power\) \* P3191 \(Engine Does NOT Start\) \* P0171 \(System Too Lean \[Bank One\]\) Replace the Purge VSV \(Vacuum Switching Valve Assembly\) and reprogram the Engine Control Module/ECM \(SAE term: Powertrain Control Module/PCM\) with the latest calibration to address this condition.
- [10111144](https://open.wenmarpro.com/bulletins/10111144), 2017-08-14: TSB: Some 2010 \- 2013 model year Prius and 2012 \- 2013 model year Prius V vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code\(s\) \(DTCs\) P0A0F \(Engine Failed to Start\), caused by Purge VSV/PCV line separation from the throttle body housing. One or more of the following DTCs may also set: \* P3190 \(Poor Engine Power\) \* P3191 \(Engine Does NOT Start\) \* P0171 \(System Too Lean \[Bank One\]\) Replace the Purge VSV \(Vacuum Switching Valve Assembly\) and reprogram the Engine Control Module/ECM \(SAE term: Powertrain Control Module/PCM\) with the latest calibration to address this condition.
- [10044581](https://open.wenmarpro.com/bulletins/10044581), 2012-07-17: TOYOTA: TO ADDRESS THE CONDITION OF DIAGNOSTIC TROUBLE CODES \(DTCS\) THAT SOME VEHICLES ARE EXHIBITING \(P0A0F, P3190, AND P3191\), ENGINE CONTROL MODULE/ECM \(SAE TERM: POWERTRAIN CONTROL MODULE/PCM\) LOGIC WAS REVISED. \*PE UPDATED 4/15/13. \*PE