AutoCodes – Nissan – P0850 2012 Nissan Sentra

P0850 2012 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 2012 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 7,035

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 2012 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 2012 Nissan Sentra - Park/Neutral Switch - AutoCodes.com — P0850 2012 Nissan Sentra Code - Park/Neutral Switch

What does this mean?

What are the Possible Causes of the DTC P0850 2012 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 2012 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 2012 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 2012 Nissan Sentra code?

Need more information on how to fix the P0850 2012 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the 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 2012 Nissan Sentra Code

What does the OBDII code P0850 mean for a 2012 Nissan Sentra?

P0850 indicates a malfunction in the park/neutral switch circuit, which can affect the vehicle's ability to start or shift properly.

What symptoms might I experience with a P0850 code?

Common symptoms include difficulty starting the engine, the engine cranking but not starting, and issues with the transmission not shifting properly.

What causes the P0850 code to trigger in a 2012 Nissan Sentra?

Causes can include a faulty park/neutral switch, damaged wiring or connectors in the circuit, or issues with the transmission control module.

How can I diagnose the P0850 code?

Start by checking the park/neutral switch for proper operation, inspect wiring and connectors for damage, and use a multimeter to test the circuit for continuity.

What are some common repairs for a P0850 code?

Repairs may include replacing the park/neutral switch, repairing damaged wiring, or addressing issues with the transmission control module.

Can I drive my 2012 Nissan Sentra with a P0850 code?

It's not recommended to drive the vehicle as the code can prevent proper shifting and starting, potentially leading to safety issues.

How do I clear the P0850 code after repairs?

You can clear the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes, but ensure the issue is resolved first to prevent recurrence.

Is the P0850 code serious?

Yes, it is considered serious because it can prevent your vehicle from starting or shifting correctly, which can affect drivability and safety.

Will the P0850 code affect my vehicle's emissions?

While P0850 itself is not an emissions-related code, if it affects the engine's performance, it could indirectly lead to increased emissions.

How much does it typically cost to fix a P0850 code?

Repair costs can vary widely depending on the cause; replacing the park/neutral switch may cost between $100 to $300, while wiring issues might be more expensive if extensive repairs are needed.