AutoCodes – Nissan – P0850 2010 Nissan Sentra

P0850 2010 Nissan Sentra 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 2010 Nissan Sentra 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 4,839
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 10, 2019
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Code P0850 2010 Nissan Sentra 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 2010 Nissan Sentra - Park/Neutral Switch - AutoCodes.com
P0850 2010 Nissan Sentra Code - Park/Neutral Switch

What are the Possible Causes of the DTC P0850 2010 Nissan Sentra?

  • 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 2010 Nissan Sentra?

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 2010 Nissan Sentra 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 2010 Nissan Sentra code?

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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 2010 Nissan Sentra Code

1. What does the OBDII code P0850 mean on a 2010 Nissan Sentra?

The P0850 code indicates an issue with the Park/Neutral Position (PNP) Switch, which monitors whether the vehicle is in park or neutral.

2. What are the symptoms of code P0850 in a 2010 Nissan Sentra?

Common symptoms include the inability to start the engine, the transmission not shifting properly, or the check engine light being illuminated.

3. What causes the P0850 code in a 2010 Nissan Sentra?

Causes may include a faulty Park/Neutral Position (PNP) switch, damaged wiring or connectors, or issues with the transmission control module (TCM).

4. Can I drive my 2010 Nissan Sentra with the P0850 code?

While the vehicle may still drive, it's not recommended as improper shifting or starting issues could leave you stranded.

5. How is the P0850 code diagnosed in a 2010 Nissan Sentra?

A mechanic will check the PNP switch wiring, inspect connectors, test the switch for proper operation, and possibly use a scan tool to monitor the switch's signal.

6. How do you fix the P0850 code on a 2010 Nissan Sentra?

Repairs may involve replacing the PNP switch, repairing or replacing damaged wiring, or cleaning corroded connectors.

7. How much does it cost to fix code P0850 in a 2010 Nissan Sentra?

The repair cost typically ranges from $100 to $300, depending on whether the switch or wiring needs replacement.

8. Can a weak battery cause the P0850 code in a 2010 Nissan Sentra?

A weak battery is unlikely to cause this code, but electrical issues in the circuit related to the PNP switch could be a factor.

9. Where is the Park/Neutral Position switch located in a 2010 Nissan Sentra?

The PNP switch is typically located on the transmission and is connected to the gear selector.

10. Will resetting the check engine light fix the P0850 code on a 2010 Nissan Sentra?

Resetting the light may temporarily clear the code, but the underlying issue must be resolved to prevent it from returning.

Discuss the causes and fixes for P0850 2010 Nissan Sentra OBDII Code

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