Engine-Codes - Generic - P0850

P0850 - Park/Neutral Position Switch Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P0850 Possible Causes

  • Faulty Park/Neutral Switch
  • Park/Neutral Switch harness is open or shorted
  • Park/Neutral Switch circuit poor electrical connection

How is the P0850 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P0850 code

Labor: 1.0

The cost to diagnose the P0850 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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When is the code detected?

The signal of the park/neutral position (PNP) switch is not changed in the process of engine starting and driving.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0850 Meaning

The Transmission Control Module (TCM) monitors the Park/Neutral Switch signal. The TCM sets the OBDII code when the Park/Neutral Switch is not to factory specifications.

More Information

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Information for specific makes

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