P0709 Buick Transmission Range Sensor Circuit Intermittent
Possible causes
– Faulty Park/neutral position switch
– Misadjusted park/neutral position switch
– Park/neutral position switch harness is open or shorted
– Park/neutral position switch circuit poor electrical connection
– Misadjusted park/neutral position switch
– Park/neutral position switch harness is open or shorted
– Park/neutral position switch circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0709 Buick Description
The park/neutral position (PNP) switch includes a transmission range switch. The transmission range switch detects the selector lever position when the shift lever is in the N or P shift position and sends a signal to the Transmission Control Module (TCM).
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