buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Vehicle Speed Sensor > < Cell References|Page 2274
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Transmission Position Switch/Sensor: Testing and Inspection

A "Scan" tool should read P/N when in Park, or Neutral, and R-D, L, when in Drive or Overdrive. This reading may vary with different makes of tools.
Refer to System Diagnosis / Diagnostic Charts / Chart C-1A for Park Neutral (P/N) switch diagnosis.

Vehicle Speed Sensor > < Cell References|Page 2274