AutoCodes – Nissan – P1730 Nissan

P1730 Nissan Code - Automatic Transmission Interlock

Quick Answer

Fail-safe function to the transmission range switch detects the selector position and sends a signal to the Transmission Control Module (TCM). Common causes include Faulty low coast brake solenoid valve, Low coast brake solenoid valve harness is open or shorted, Low coast brake solenoid valve 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: P1730 Nissan indicates Automatic Transmission Interlock.
Common causes: Common causes include Faulty low coast brake solenoid valve, Low coast brake solenoid valve harness is open or shorted, Low coast brake solenoid valve 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 15,306

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1730 Nissan Description

Fail-safe function to the transmission range switch detects the selector position and sends a signal to the Transmission Control Module (TCM).

OBDII Code P1730 Nissan - Automatic Transmission Interlock - AutoCodes.com — P1730 Nissan Code - Automatic Transmission Interlock

What does this mean?

What are the Possible Causes of the DTC P1730 Nissan?

Faulty low coast brake solenoid valve
Low coast brake solenoid valve harness is open or shorted
Low coast brake solenoid valve circuit poor electrical connection
Faulty Automatic Transmission Fluid (ATF) pressure switch 2

How to Fix the DTC P1730 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 P1730 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 P1730 Nissan code?

Need more information on how to fix the P1730 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1730 Nissan code diagnosed by a professional: Find a repair shop in your area

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 P1730 Nissan Code

1. What does OBDII code P1730 for Nissan mean?

The OBDII code P1730 in Nissan vehicles refers to an issue with the Automatic Transmission Interlock.

2. What are the common symptoms of OBDII code P1730 in a Nissan?

Common symptoms of OBDII code P1730 in a Nissan may include difficulty shifting gears, the transmission not engaging properly, and the vehicle not moving when in gear.

3. What are the possible causes of OBDII code P1730 in a Nissan?

Possible causes of OBDII code P1730 in a Nissan include a faulty transmission range sensor, issues with the transmission solenoid, wiring problems, or a malfunctioning interlock control unit.

4. How can I diagnose OBDII code P1730 in my Nissan?

Diagnosing OBDII code P1730 in a Nissan typically involves using a professional OBDII scanner to read the code and then conducting further testing to pinpoint the exact cause, such as checking the transmission range sensor or inspecting the wiring.

5. How do I repair OBDII code P1730 in my Nissan?

Repairing OBDII code P1730 in a Nissan may involve replacing the transmission range sensor, fixing any wiring issues, replacing the interlock control unit, or addressing any other specific component causing the problem.

6. Can OBDII code P1730 in a Nissan be fixed at home?

Depending on the specific cause of the OBDII code P1730, some DIY enthusiasts may be able to address the issue at home by following repair guides and using the necessary tools and parts.

7. Is it safe to continue driving with OBDII code P1730 in my Nissan?

It is not recommended to continue driving with OBDII code P1730 in a Nissan as it can lead to further damage to the transmission and potentially cause safety hazards on the road.

8. How much does it cost to repair OBDII code P1730 in a Nissan?

The cost of repairing OBDII code P1730 in a Nissan can vary depending on the exact cause of the issue, the labor rates in your area, and the cost of parts needed for the repair.

9. Can OBDII code P1730 in a Nissan trigger the check engine light?

Yes, OBDII code P1730 in a Nissan can trigger the check engine light on the dashboard, indicating that there is an issue with the Automatic Transmission Interlock system.

10. Will resetting the OBDII code P1730 in a Nissan make the problem go away?

Resetting the OBDII code P1730 in a Nissan may temporarily turn off the check engine light, but it will not fix the underlying issue causing the code to appear. It is important to diagnose and repair the problem to prevent it from reoccurring.