AutoCodes – Nissan – P1816 Nissan

P1816 Nissan Code - Park/Neutral Position Switch

Quick Answer

The Automatic Transmission (A/T) Park/Neutral Position (PNP) switch transmits the A/T position indicator signal (PNP switch signal) via CAN communication to the transfer control unit. 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: P1816 Nissan indicates Park/Neutral Position Switch.
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 8,867

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1816 Nissan Description

OBDII Code P1816 Nissan - Park/Neutral Position Switch - AutoCodes.com — P1816 Nissan Code - Park/Neutral Position Switch

What does this mean?

What are the Possible Causes of the DTC P1816 Nissan?

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 P1816 Nissan?

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 P1816 Nissan 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 P1816 Nissan code?

Need more information on how to fix the P1816 Nissan 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 P1816 Nissan Code

1. What are common symptoms of OBDII code P1816 in a Nissan related to the Park/Neutral Position Switch?

- Common symptoms include difficulty starting the vehicle, intermittent starting issues, and the inability to shift out of Park.

2. What are the main causes of OBDII code P1816 in a Nissan?

- The main causes of P1816 in a Nissan are a faulty Park/Neutral Position Switch, damaged wiring or connectors, or issues with the transmission control module.

3. How can I diagnose the Park/Neutral Position Switch issue causing OBDII code P1816 in my Nissan?

- You can diagnose the issue by performing a visual inspection of the switch and its wiring, testing the switch for continuity, and checking for any loose connections or damaged wires.

4. Can I drive my Nissan with OBDII code P1816 related to the Park/Neutral Position Switch?

- It is not recommended to drive your Nissan with this code as it can cause safety issues due to potential starting and shifting problems.

5. How can I repair OBDII code P1816 in my Nissan caused by the Park/Neutral Position Switch?

- Repair options include replacing the Park/Neutral Position Switch, repairing any damaged wiring or connectors, or reprogramming the transmission control module.

6. Are there any DIY tips for fixing OBDII code P1816 in a Nissan?

- While some basic troubleshooting like checking connections and wiring can be done at home, it is recommended to seek professional help for accurate diagnosis and repair.

7. How much does it typically cost to repair OBDII code P1816 in a Nissan at a dealership or auto repair shop?

- The cost of repairing P1816 can vary depending on the exact cause and parts needed, but it may range from $100 to $300 for parts and labor.

8. Can resetting the OBDII code P1816 in a Nissan fix the issue temporarily?

- Resetting the code may temporarily clear the warning light, but it will likely reappear if the underlying issue with the Park/Neutral Position Switch is not addressed.

9. Is OBDII code P1816 specific to Nissan vehicles, or can it occur in other car makes?

- While P1816 is commonly associated with Nissan vehicles, similar issues with the Park/Neutral Position Switch can occur in other car makes as well.

10. Is it necessary to replace the Park/Neutral Position Switch if it is suspected to be the cause of OBDII code P1816 in a Nissan?

- Yes, if the Park/Neutral Position Switch is determined to be faulty, it is recommended to replace it to ensure proper functionality and prevent further issues.