# P0771 on the 2012 Mazda Mazda3

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0771

- [10098211](https://open.wenmarpro.com/bulletins/10098211), 2017-05-04: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTO\-MATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY.OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.
- [10098017](https://open.wenmarpro.com/bulletins/10098017), 2017-04-27: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTOMATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY. OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00 TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.
- [10097970](https://open.wenmarpro.com/bulletins/10097970), 2017-04-26: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTO\-MATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY.OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.
- [10097968](https://open.wenmarpro.com/bulletins/10097968), 2017-04-26: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTO\-MATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY.OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.
- [10097746](https://open.wenmarpro.com/bulletins/10097746), 2017-04-24: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTO\-MATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY.OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.
- [10097745](https://open.wenmarpro.com/bulletins/10097745), 2017-04-24: SOME VEHICLES MAY EXPERIENCE THE MIL ON WITH DTC P0780 \(GEAR SHIFTING MALFUNCTION\) AND/OR P1738 \(AUTO\-MATIC TRANSAXLE INTERNAL MALFUNCTION\) WITH/WITHOUT U0401, OR OTHER DTCS STORED IN MEMORY.OTHER DTCS \(WITH THE ABOVE DTCS\) \- P0746:00, P0751:00, P0752:00, P0756:00, P0757:00, P0761:00, P0762:00, P0766:00, P0767:00, P0771:00, P0772:00, P079A:00, P0842:00, P0843:00, P0847:00, P0848:00, P0872:00, P0873:00, P0877:00, P0878:00, P1784:00TO CORRECT THE PROBLEM, A NEW PROGRAMMED VALVE BODY HAS BEEN ESTABLISHED.