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Home >> Volvo >> 2003 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Passive Restraints >> Electrical Components - Design And Function >> Transmission Control Module (TCM) (4T65 AWD; 2003-2006) >> Function >> Park / Neutral Position (PNP) Function
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Park / Neutral Position (PNP) Function

The gear-shift position sensor has a park / neutral position (PNP) function to prevent the engine being started with a gear selected.

This function prevents the engine being started unless the P or N positions are selected. This prevents the car from lurching forwards when started.

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