P1706 GMC Park and Neutral Position Switch
Possible causes
– Misadjusted Park/Neutral Switch
– Faulty Park/Neutral Switch
– Park/Neutral Switch harness is open or shorted
– Park/Neutral Switch circuit poor electrical connection
– Faulty Park/Neutral Switch
– Park/Neutral Switch harness is open or shorted
– Park/Neutral Switch circuit poor electrical connection
Tech description
For models with “Manual Transmission” the P1706 GMC is for the Neutral Position Switch.
What about the obd code?
The signal of the park/neutral position (PNP) switch is not changed in the process of engine starting and driving.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1706 GMC Description
When the shift position is P or N, park/neutral position (PNP) switch is turned ON. The Engine Control Module (ECM) detects the position because the continuity of the line (the ON signal) exists.
The park/neutral position (PNP) switch assembly also indicates a transmission range switch to detect shift lever position.
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,