AutoCodes – Nissan – P0850 2007 Nissan Pathfinder

P0850 2007 Nissan Pathfinder Code - Park/Neutral Switch

Quick Answer

When the shift position is P or N, Park/Neutral Position (PNP) switch is turned ON. Common causes include Misadjusted Park/Neutral Switch, Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted. 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 2007 Nissan Pathfinder indicates Park/Neutral Switch.
Common causes: Common causes include Misadjusted Park/Neutral Switch, Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted.
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 4,712

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 May 10, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0850 2007 Nissan Pathfinder 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.

OBDII Code P0850 2007 Nissan Pathfinder - Park/Neutral Switch - AutoCodes.com — P0850 2007 Nissan Pathfinder Code - Park/Neutral Switch

What does this mean?

What are the Possible Causes of the DTC P0850 2007 Nissan Pathfinder?

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

How to Fix the DTC P0850 2007 Nissan Pathfinder?

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 2007 Nissan Pathfinder 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.

Need more information about the P0850 2007 Nissan Pathfinder code?

Need more information on how to fix the P0850 2007 Nissan Pathfinder code? Get Access to Factory Service Manuals

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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.

Frequently Asked Questions about P0850 2007 Nissan Pathfinder Code

1. What does the OBDII code P0850 mean on a 2007 Nissan Pathfinder?

P0850 indicates an issue with the Park/Neutral Position (PNP) switch circuit, which helps the vehicle's computer determine if the transmission is in Park or Neutral.

2. What are the symptoms of code P0850 in a 2007 Nissan Pathfinder?

Symptoms may include difficulty starting the engine, the Check Engine Light being illuminated, and issues with the transmission not recognizing Park or Neutral positions.

3. What causes the P0850 code to appear?

Common causes include a faulty Park/Neutral Position switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module (TCM).

4. How do I diagnose the P0850 code on my Nissan Pathfinder?

Start by checking the Park/Neutral Position switch for proper function, inspect the wiring and connectors for damage or corrosion, and use a scan tool to monitor data from the switch.

5. Can I drive my 2007 Nissan Pathfinder with the P0850 code?

It is not recommended to drive with this code, as it may cause starting issues or transmission malfunctions, which could lead to unsafe driving conditions.

6. How do I fix the P0850 code on a 2007 Nissan Pathfinder?

Repairs may involve replacing the Park/Neutral Position switch, repairing damaged wiring, cleaning corroded connectors, or, in rare cases, replacing the TCM.

7. How much does it cost to fix the P0850 code?

Repair costs can range from $100 to $300, depending on whether the Park/Neutral Position switch needs replacing or if wiring repairs are required.

8. Can a faulty battery cause the P0850 code on my Pathfinder?

While unlikely, a weak or failing battery can sometimes contribute to electrical issues that affect system performance, so itâ€™s worth checking.

9. Do I need special tools to repair the P0850 code?

A basic multimeter and an OBDII scanner are essential for diagnosing wiring issues and verifying the functionality of the Park/Neutral Position switch.

10. Will clearing the P0850 code fix the problem?

Clearing the code will turn off the Check Engine Light temporarily, but the underlying issue needs to be addressed to prevent the code from reappearing.