AutoCodes – Infiniti – P1706 Infiniti

P1706 Infiniti Code - Park and Neutral Position Switch

Quick Answer

When the shift position is P or N, park/neutral position (PNP) switch is turned ON. Common causes include Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted, Park/Neutral 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: P1706 Infiniti indicates Park and Neutral Position Switch.
Common causes: Common causes include Faulty Park/Neutral Switch, Park/Neutral Switch harness is open or shorted, Park/Neutral 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 13,667

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 Sep 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1706 Infiniti 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 P1706 Infiniti - Park and Neutral Position Switch - AutoCodes.com — P1706 Infiniti Code - Park and Neutral Position Switch

What does this mean?

What are the Possible Causes of the DTC P1706 Infiniti?

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

How to Fix the DTC P1706 Infiniti?

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 P1706 Infiniti 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 P1706 Infiniti code?

Need more information on how to fix the P1706 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1706 Infiniti code diagnosed by a professional: Find a repair shop in your area

Information for Specific Infiniti Models

P1706 2003 Infiniti G35 — Park and Neutral Position Switch
P1706 2004 Infiniti G35 — Park and Neutral Position Switch
P1706 2005 Infiniti G35 — Park and Neutral Position Switch
P1706 2006 Infiniti G35 — Park and Neutral Position Switch

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 P1706 Infiniti Code

1. What does the OBDII code P1706 mean for an Infiniti?

P1706 indicates an issue with the Park and Neutral Position (PNP) switch, which helps the transmission control module detect the gear position.

2. What are the common symptoms of a P1706 code in an Infiniti?

Symptoms may include difficulty starting the engine, backup lights not working, inconsistent gear shifting, or the Check Engine Light illuminating.

3. What causes the P1706 code to appear?

Causes include a faulty Park and Neutral Position switch, damaged wiring or connectors, or misalignment of the switch.

4. Can I continue driving with a P1706 code?

While the vehicle may still be drivable, issues like starting difficulty or improper gear recognition could worsen, so itâ€™s best to address the problem promptly.

5. How do you diagnose a P1706 code?

A technician will inspect the PNP switch, check for damaged wiring or connectors, and use a scan tool to confirm the fault and test the switchâ€™s functionality.

6. How is the P1706 code fixed?

Repairs may involve replacing the faulty Park and Neutral Position switch, repairing or replacing damaged wiring, or realigning the switch.

7. How much does it cost to fix a P1706 code on an Infiniti?

The cost varies but typically ranges from $100 to $300, depending on labor and parts required to replace or repair the PNP switch.

8. Can a faulty PNP switch cause the car not to start?

Yes, a malfunctioning PNP switch can prevent the vehicle from recognizing the Park or Neutral position, leading to starting issues.

9. Is the PNP switch the same as a neutral safety switch?

Yes, the Park and Neutral Position switch is commonly referred to as the neutral safety switch.

10. Can I fix a P1706 code on my own?

If you have automotive experience, you can inspect and replace the PNP switch or repair wiring. However, a professional diagnosis is recommended to avoid misdiagnosis.