P0850

2017-10-10

Description:

  • The fault code P0850 indicates that there is an issue with the Park/Neutral Switch Input Circuit, which is a crucial component in ensuring that the vehicle only starts in Park or Neutral. This can result in the engine failing to start or shifting problems.

Possible Symptoms:

  • Engine fails to start

  • Inability to shift into or out of Park or Neutral

  • Illuminated check engine light

  • Transmission stuck in one gear or unable to shift gears.

Possible Causes:

  • Faulty Park/Neutral Switch

  • Damaged wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed Transmission Control Module (TCM)

Related Parts:

  • Neutral Switch: The neutral safety switch is a safety feature in automobiles with automatic transmissions. It prevents the car from starting if it is in gear. Problems with this switch will cause difficulty in shifting gears from neutral position

Possible Solutions:

  • Replace the Park/Neutral Switch

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the Transmission Control Module (TCM) if necessary

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