# P0501 on the 2001 Mazda B\-Series

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 P0501

- [620891](https://open.wenmarpro.com/bulletins/620891), 2001-09-04: SOME VEHICLES BUILT PRIOR TO JANUARY 2, 2001 MAY EXHIBIT ROUGH IDLE, ANTI\-LOCK BRAKE SYSTEM \(ABS\) WARNING LAMP ILLUMINATION, INOPERATIVE OR ERRATIC SPEEDOMETER, DIAGNOSTIC TROUBLE CODE \(DTC\) P0500, P0501, P0503, P1721, P0176, P1000, ABS DTC 9, RABS DTC 16, OR A DELAYED OR HARSH SHIFTING AUTOMATIC TRANSMISSION. \*TT