P0805 Buick Park/Neutral Switch Performance

P0806 Buick Clutch Position Sensor Circuit Range/Performance

Possible causes
– Faulty Clutch Position Sensor
– Clutch Position Sensor harness is open or shorted
– Clutch Position Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera