DTC P0503: Vehicle Speed Sensor Circuit Performance: Notes
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit identification, see CONNECTOR IDENTIFICATION
and WIRING DIAGRAMS
.
NOTE:
The Vehicle Speed Sensor (VSS) may also be referred to as the Output Speed Sensor (OSS).