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P1702 2003 Infiniti G35 Code - Transmission Control Module RAM

Quick Answer

The P1702 code for a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM) RAM. Common causes include Electrical faults within the TCM, Damaged wiring or connectors, Internal component failure within the TCM. 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
P1702 2003 Infiniti G35 indicates Transmission Control Module RAM.
Common causes
Common causes include Electrical faults within the TCM, Damaged wiring or connectors, Internal component failure within the TCM.
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 P1702 2003 Infiniti G35 Description

The P1702 code for a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM) RAM. The TCM is a crucial component of the vehicle's transmission system, responsible for controlling gear shifts, torque converter lockup, and other transmission functions. The RAM (Random Access Memory) within the TCM stores temporary data and instructions for these operations.

OBDII Code P1702 2003 Infiniti G35 - Transmission Control Module RAM
P1702 2003 Infiniti G35 Code - Transmission Control Module RAM

Common Causes of P1702 2003 Infiniti G35

  1. Electrical faults within the TCM
  2. Damaged wiring or connectors
  3. Internal component failure within the TCM
  4. Software glitches or programming errors
  5. Corrosion or moisture damage

Symptoms of P1702 2003 Infiniti G35

  1. Erratic shifting behavior
  2. Harsh gear changes
  3. Transmission slipping
  4. Limp mode activation
  5. Reduced fuel efficiency

How to Fix P1702 2003 Infiniti G35

  1. Begin by conducting a thorough diagnostic scan to confirm the P1702 code and pinpoint the exact issue with the TCM RAM.
  2. Inspect the TCM wiring, connectors, and harness for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Check the TCM's internal components for any visible damage or malfunctions. Replace the TCM if needed.
  4. Update the TCM software to the latest version to address any programming errors or glitches.
  5. Clear the fault code, reset the TCM, and perform a test drive to ensure that the transmission functions properly.

Cost to Fix P1702 2003 Infiniti G35

The typical repair costs for addressing a P1702 code related to the TCM RAM in a 2003 Infiniti G35 can vary depending on the extent of the issue and the specific repairs needed. On average, the parts for a TCM replacement can range from $300 to $800, while labor costs can range from $100 to $300. Therefore, the total repair cost could fall between $400 and $1100. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for P1702 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 P1702

Need more information about the P1702 2003 Infiniti G35 code?

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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 P1702 2003 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1702 on a 2003 Infiniti G35 related to the Transmission Control Module RAM?

The common symptoms include transmission shifting issues, erratic shifting behavior, and the transmission staying in one gear.

2. What are the possible causes of OBDII code P1702 on a 2003 Infiniti G35?

The code P1702 in a 2003 Infiniti G35 can be caused by a faulty Transmission Control Module (TCM), damaged TCM wiring, or a malfunctioning TCM RAM.

3. How can I diagnose the OBDII code P1702 on my 2003 Infiniti G35 related to the Transmission Control Module RAM?

Diagnosing the code P1702 may require using a professional OBDII scanner to read the code, checking the TCM for any visible damage or corrosion, and inspecting the TCM wiring for any faults.

4. Can I repair OBDII code P1702 on a 2003 Infiniti G35 myself?

Repairing OBDII code P1702 related to the Transmission Control Module RAM may require advanced automotive knowledge. It is recommended to consult with a professional mechanic for proper diagnosis and repair.

5. Is it safe to continue driving my 2003 Infiniti G35 with OBDII code P1702?

Driving with OBDII code P1702 can potentially cause further damage to the transmission system. It is advisable to have the issue diagnosed and repaired as soon as possible to avoid any major transmission problems.

6. What are some tips to prevent OBDII code P1702 on a 2003 Infiniti G35?

Regular maintenance of the transmission system, including fluid checks and changes, can help prevent issues like code P1702. Also, avoiding aggressive driving can help prolong the life of the transmission components.

7. How much does it cost to repair OBDII code P1702 on a 2003 Infiniti G35 related to the Transmission Control Module RAM?

The cost of repairing OBDII code P1702 can vary depending on the extent of the damage and the specific repairs needed. It is recommended to get a few quotes from different mechanics for an accurate estimate.

8. Can a faulty battery or electrical system cause OBDII code P1702 on a 2003 Infiniti G35?

Yes, a faulty battery or electrical system can potentially cause issues with the Transmission Control Module (TCM) and trigger code P1702. It is recommended to check the battery and electrical connections as part of the diagnostic process.

9. Will resetting the OBDII code P1702 on my 2003 Infiniti G35 make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1702 is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem.

10. How long does it typically take to repair OBDII code P1702 on a 2003 Infiniti G35 related to the Transmission Control Module RAM?

The repair time for code P1702 can vary depending on the complexity of the issue and the availability of parts. It is best to consult with a mechanic for an accurate estimate of the repair timeline.

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