AutoCodes – Ford – P0850 Ford

P0850 Ford Code - Park/Neutral Position Switch Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Park/Neutral Position Switch Circuit. Common causes include Faulty Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0850 Ford indicates Park/Neutral Position Switch Circuit.
Common causes: Common causes include Faulty Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 401

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 13, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0850 Ford Description

The Transmission Control Module (TCM) monitors the Park/Neutral Position Switch Circuit. The TCM sets the Diagnostic Trouble Code (DTC) when the Park/Neutral Position Switch is not to factory specifications.

OBDII Code P0850 Ford - Park/Neutral Position Switch Circuit - AutoCodes.com — P0850 Ford Code - Park/Neutral Position Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P0850 Ford?

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

How to Fix the DTC P0850 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0850 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.