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P1701 2003 Infiniti G35 Code - Transmission Control Module Power Supply

Quick Answer

The P1701 code in a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM) power supply. Common causes include Faulty TCM relay: A defective relay can prevent the TCM from receiving the necessary power supply, Damaged wiring: Corroded or broken wires in the power supply circuit can disrupt the flow of electricity to the TCM, Blown fuse: A blown fuse in the TCM power supply circuit can cut off power to the module. 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
P1701 2003 Infiniti G35 indicates Transmission Control Module Power Supply.
Common causes
Common causes include Faulty TCM relay: A defective relay can prevent the TCM from receiving the necessary power supply, Damaged wiring: Corroded or broken wires in the power supply circuit can disrupt the flow of electricity to the TCM, Blown fuse: A blown fuse in the TCM power supply circuit can cut off power to the module.
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 17, 2024
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Code P1701 2003 Infiniti G35 Description

The P1701 code in a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM) power supply. The TCM is a crucial component in the vehicle's transmission system, responsible for controlling gear shifts, torque converter lockup, and other functions to ensure smooth operation. When the TCM power supply is compromised, it can lead to various issues that affect the vehicle's performance and drivability.

OBDII Code P1701 2003 Infiniti G35 - Transmission Control Module Power Supply
P1701 2003 Infiniti G35 Code - Transmission Control Module Power Supply

Common Causes of P1701 2003 Infiniti G35

  1. Faulty TCM relay: A defective relay can prevent the TCM from receiving the necessary power supply.
  2. Damaged wiring: Corroded or broken wires in the power supply circuit can disrupt the flow of electricity to the TCM.
  3. Blown fuse: A blown fuse in the TCM power supply circuit can cut off power to the module.
  4. TCM malfunction: An internal fault in the TCM itself can cause power supply issues.

Symptoms of P1701 2003 Infiniti G35

  1. Erratic shifting: The vehicle may experience delayed or harsh gear shifts, or may get stuck in a particular gear.
  2. Check Engine Light: The Check Engine Light may illuminate on the dashboard, indicating a problem with the transmission system.
  3. Poor fuel efficiency: A malfunctioning TCM can lead to inefficient gear shifts, resulting in decreased fuel economy.
  4. Transmission slippage: The transmission may slip or fail to engage properly, causing a loss of power or acceleration.

How to Fix P1701 2003 Infiniti G35

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the trouble code and perform a thorough inspection of the TCM power supply circuit.
  2. Check the TCM relay: Test the TCM relay for proper operation and replace it if necessary.
  3. Inspect wiring: Check the wiring harness for any signs of damage or corrosion, and repair or replace as needed.
  4. Replace blown fuse: Locate and replace any blown fuses in the TCM power supply circuit.
  5. Replace TCM: If the TCM is found to be faulty, it may need to be replaced to resolve the power supply issue.

Cost to Fix P1701 2003 Infiniti G35

The cost of repairing a P1701 code in a 2003 Infiniti G35 can vary depending on the specific cause of the issue. In general, the cost of parts such as a TCM relay or fuse can range from $20 to $100, while the cost of labor can range from $80 to $150 per hour. The total repair cost can therefore range from $100 to $500 or more, depending on the extent of the repairs needed. It's important to consult with a qualified mechanic to get an accurate estimate based on your specific vehicle and location.

What does this mean?

Tech Notes for P1701 2003 Infiniti G35

There is a Factory Service Bulletin for the 2003 Infiniti G35 with 5-Speed A/T RE5R05A Transmission:

2003 Infiniti G35 RE5R05A Transmission Factory Service Bulletin OBDII Code P1701

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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 P1701 2003 Infiniti G35 Code

1. What does OBDII code P1701 mean for a 2003 Infiniti G35?

Code P1701 indicates a problem with the transmission control module power supply in a 2003 Infiniti G35.

2. What are the common symptoms of OBDII code P1701 in a 2003 Infiniti G35?

Common symptoms of code P1701 may include transmission shifting issues, harsh shifting, or the transmission going into limp mode.

3. What are the possible causes of OBDII code P1701 in a 2003 Infiniti G35?

Potential causes of code P1701 include a faulty transmission control module, damaged wiring or connectors, a blown fuse, or a weak battery.

4. How can I diagnose the OBDII code P1701 in my 2003 Infiniti G35?

Diagnosing code P1701 may involve checking the transmission control module for power supply, inspecting wiring for damage, testing for continuity, and verifying the battery voltage.

5. Can I still drive my 2003 Infiniti G35 with OBDII code P1701?

It is not recommended to drive the vehicle with code P1701 present, as it can lead to further transmission damage or safety issues. It's best to address the underlying problem promptly.

6. Is it safe to reset the OBDII code P1701 in a 2003 Infiniti G35 and continue driving?

Resetting the code without addressing the root cause may temporarily clear the warning light, but the issue will likely resurface. It's essential to fix the problem first.

7. How much does it typically cost to repair OBDII code P1701 in a 2003 Infiniti G35?

The cost of repairing code P1701 can vary depending on the exact cause of the issue. It's advisable to get a diagnostic from a qualified mechanic to determine the repair cost.

8. Can I fix OBDII code P1701 in my 2003 Infiniti G35 myself?

If you have experience with automotive diagnostics and repairs, you may be able to fix code P1701 yourself. However, it's crucial to have the necessary tools and knowledge to avoid further damage.

9. Are there any preventive maintenance tips to avoid OBDII code P1701 in a 2003 Infiniti G35?

Regularly checking the transmission system, ensuring proper battery maintenance, and addressing any electrical issues promptly can help prevent code P1701 in a 2003 Infiniti G35.

10. Will OBDII code P1701 cause permanent damage to the transmission of a 2003 Infiniti G35?

If left unresolved, code P1701 can potentially cause damage to the transmission system of a 2003 Infiniti G35. It's important to address the issue promptly to prevent further damage.

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