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vehicle speed sensor
Posted to Technical Discussion Forum on 3/21/2012 6 Replies

The Buick came into the shop with a code P1811. The speedometer with jump around at times and when this happens the transmission will upshift and downshift very erratic. The Vss on the speed sensor reads the same as the speedometer and is erratic. I replaced t... Login to read more.

6 Replies Received (View Replies)

 

car Vehicle Data

2003 Buick Century Custom 3.1L

Engine3.1 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2003 Buick Century Custom 3.1L

Engine3.1 L
Trans4-speed Automatic (Electronic)