# P0503 on the 2003 Cadillac Deville

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 P0503

- [10008611](https://open.wenmarpro.com/bulletins/10008611), 2004-08-10: AUTO TRANSMISSION DIAGNOSTIC TROUBLE CODE P0503, VEHICLE SPEED SENSOR CIRCUIT INTERMITTENT. \*TT
- [10005101](https://open.wenmarpro.com/bulletins/10005101), 2004-01-30: DIAGNOSTIC TROUBLE CODE P0503, VEHICLE SPEED SENSOR CIRCUIT INTERMITTENT. CUSTOMER MAY DESCRIBE THE CONDITION AS THE SPEEDOMETER INTERMITTENTLY GOES TO ZERO, THE VEHICLE MAY JERK AT TIMES, THEY ARE UNABLE TO SET THE CRUISE, THE CRUISE MAY INTERMITTENTLY DROPOUT. GM VOICEMAIL EXPRESS. \*TT