Engine-Codes.com
Engine-Codes – Infiniti – P1730 2003 Infiniti G35

P1730 2003 Infiniti G35 Code - Automatic Transmission Interlock

Quick Answer

The P1730 code in a 2003 Infiniti G35 indicates a problem with the automatic transmission interlock system. Common causes include Faulty interlock solenoid, Damaged interlock cable, Malfunctioning brake light switch. 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 2003 Infiniti G35 indicates Automatic Transmission Interlock.
Common causes
Common causes include Faulty interlock solenoid, Damaged interlock cable, Malfunctioning brake light switch.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1730 2003 Infiniti G35 Description

The P1730 code in a 2003 Infiniti G35 indicates a problem with the automatic transmission interlock system. This system is designed to prevent the vehicle from being shifted out of park without the brake pedal being depressed, ensuring safety and preventing accidental movement of the vehicle. When this code is triggered, it means that there is a malfunction in the interlock system, which can lead to difficulty shifting gears or even an inability to shift at all.

OBDII Code P1730 2003 Infiniti G35 - Automatic Transmission Interlock
P1730 2003 Infiniti G35 Code - Automatic Transmission Interlock

Common Causes of P1730 2003 Infiniti G35

  1. Faulty interlock solenoid
  2. Damaged interlock cable
  3. Malfunctioning brake light switch
  4. Wiring or connection issues in the interlock system

Symptoms of P1730 2003 Infiniti G35

  1. Difficulty shifting out of park
  2. Inability to shift gears
  3. Illumination of the Check Engine Light
  4. Vehicle not starting

How to Fix P1730 2003 Infiniti G35

  1. Begin by diagnosing the specific cause of the P1730 code using a diagnostic scanner to identify the exact issue within the automatic transmission interlock system.
  2. Inspect the interlock solenoid, cable, and brake light switch for any signs of damage or wear. Replace any faulty components as needed.
  3. Check the wiring and connections in the interlock system for any loose connections or shorts. Repair or replace any damaged wiring.
  4. Clear the code from the vehicle's computer using the diagnostic scanner and test the vehicle to ensure that the issue has been resolved.
  5. Test drive the vehicle to verify that the automatic transmission interlock system is functioning properly and that the symptoms associated with the P1730 code have been resolved.

Cost to Fix P1730 2003 Infiniti G35

The cost of repairing the P1730 code in a 2003 Infiniti G35 can vary depending on the specific cause of the issue and the cost of parts and labor in your area. In general, the parts needed for this repair, such as a new interlock solenoid or cable, can range from $50 to $200. The labor costs for this repair can range from $100 to $300, depending on the shop's hourly rates and the complexity of the repair.

When is the Code Detected?

Diagnostic Trouble Code (DTC) P1730 is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor and switch.

Need more information about the P1730 2003 Infiniti G35 code?

Need more information on how to fix the P1730 2003 Infiniti G35 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1730 2003 Infiniti G35 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 2003 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1730 in a 2003 Infiniti G35?

The common symptoms of code P1730 in a 2003 Infiniti G35 include difficulty shifting gears, transmission slipping, and the inability to shift out of Park.

2. What are the possible causes of OBDII code P1730 in a 2003 Infiniti G35?

The possible causes of code P1730 in a 2003 Infiniti G35 include a faulty automatic transmission interlock solenoid, damaged wiring or connectors in the interlock circuit, or a malfunctioning transmission control module.

3. How can I diagnose the source of OBDII code P1730 in my 2003 Infiniti G35?

To diagnose the source of code P1730, you can use a diagnostic scanner to retrieve the trouble codes, inspect the interlock solenoid and its wiring for any visible damage, and test the transmission control module for proper functionality.

4. Is it safe to continue driving a 2003 Infiniti G35 with OBDII code P1730?

It is not recommended to continue driving a vehicle with code P1730, as it can lead to further damage to the transmission system and potentially compromise the safety of the vehicle.

5. Can I repair OBDII code P1730 in my 2003 Infiniti G35 myself?

While some DIY enthusiasts may attempt to repair code P1730 themselves by replacing the interlock solenoid or checking for wiring issues, it is recommended to seek professional help for a proper diagnosis and repair.

6. How much does it typically cost to repair OBDII code P1730 in a 2003 Infiniti G35?

The cost of repairing code P1730 in a 2003 Infiniti G35 can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor.

7. Can resetting the OBDII code P1730 in a 2003 Infiniti G35 fix the issue temporarily?

Resetting the code may temporarily clear the error message, but it will not fix the underlying issue causing code P1730 in a 2003 Infiniti G35.

8. How long does it typically take to repair OBDII code P1730 in a 2003 Infiniti G35?

The repair time for code P1730 in a 2003 Infiniti G35 can vary depending on the exact cause and the availability of parts, but it may take a few hours to a full day for a professional technician to diagnose and fix the issue.

9. Are there any preventive measures to avoid OBDII code P1730 in a 2003 Infiniti G35?

To prevent code P1730 in a 2003 Infiniti G35, it is recommended to maintain regular transmission fluid changes, address any transmission issues promptly, and follow the manufacturer's recommended maintenance schedule.

10. Can OBDII code P1730 in a 2003 Infiniti G35 be related to other transmission problems?

Code P1730 in a 2003 Infiniti G35 is specifically related to the automatic transmission interlock system, but it can sometimes be associated with other transmission issues if left unresolved, leading to more severe problems.

Discuss the causes and fixes for P1730 2003 Infiniti G35 OBDII Code

Submit a New Comment

Code P1730 2003 Infiniti G35 comments

No comments found for this page.