AutoCodes – Generic – P1706

P1706 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 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: P1706 indicates Park and Neutral Position 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 35,406

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 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 - Park and Neutral Position Switch - AutoCodes.com — P1706 Code - Park and Neutral Position Switch

What does this mean?

What are the Possible Causes of the DTC P1706?

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 P1706?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

P1706 Acura — Open in Transmission Range Switch Circuit
P1706 Ford — High Vehicle Speed Observed in Park
P1706 Honda — Open in Transmission Range Switch Circuit
P1706 Hyundai — Inhibitor Switch
P1706 Infiniti — Park and Neutral Position Switch
P1706 Isuzu — Open in Transmission Range Switch Circuit
P1706 Lincoln — High Vehicle Speed Observed in Park
P1706 Mercury — High Vehicle Speed Observed in Park
P1706 Nissan — 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 Code

1. What are common symptoms of OBDII code P1706 related to the Park and Neutral Position Switch?

Symptoms may include difficulty starting the vehicle, inability to shift gears, and the Check Engine Light being illuminated.

2. What are the possible causes of OBDII code P1706?

Potential causes of this code include a faulty park/neutral position switch, wiring issues, or a defective transmission range sensor.

3. How can I diagnose the Park and Neutral Position Switch issue causing OBDII code P1706?

Diagnosis involves checking the switch for proper operation, inspecting the wiring for damage, and using a scan tool to monitor switch signals.

4. Can a DIYer repair the Park and Neutral Position Switch issue triggering OBDII code P1706?

Depending on your skill level, replacing the park/neutral position switch or repairing damaged wiring may be feasible for DIYers with the proper tools and knowledge.

5. Is it safe to continue driving with OBDII code P1706 present?

It is not recommended to drive with this code as it can lead to transmission issues and potential safety hazards due to the inability to shift gears properly.

6. Are there any tips to prevent OBDII code P1706 from occurring in the future?

Regularly inspecting and maintaining the park/neutral position switch, as well as ensuring proper wiring connections, can help prevent this issue from arising.

7. How much does it typically cost to repair OBDII code P1706 related to the Park and Neutral Position Switch?

Costs can vary depending on the specific cause of the issue, but generally, the repair can range from $100 to $300 at a professional auto repair shop.

8. Can a faulty Park and Neutral Position Switch cause other OBDII codes to appear?

Yes, a malfunctioning switch can also trigger related codes such as P0705 (Transmission Range Sensor Circuit Malfunction) or P0850 (Park/Neutral Switch Input Circuit High).

9. Does weather or temperature affect the likelihood of encountering OBDII code P1706?

Extreme temperature fluctuations or exposure to moisture can potentially impact the performance of the park/neutral position switch, leading to the triggering of this code.

10. How long does it usually take to repair the Park and Neutral Position Switch issue causing OBDII code P1706?

The repair time can vary based on the complexity of the issue and the availability of parts, but it typically takes a few hours to a half-day to complete the repair.