AutoCodes – Infiniti – P1703 2003 Infiniti G35

P1703 2003 Infiniti G35 Code - Transmission Control Module ROM

Quick Answer

The transmission solenoids and valves are controlled by the Transmission Control Module (TCM) in response to signals sent from the Park & Neutral Position (PNP) Switch, Vehicle Speed Sensor (VSS), and Accelerator Pedal Position (APP) Sensor (Throttle Position Sensor). Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: P1703 2003 Infiniti G35 indicates Transmission Control Module ROM.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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.

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Code Popularity 2,644

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 Jun 30, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1703 2003 Infiniti G35 Description

OBDII Code P1703 2003 Infiniti G35 - Transmission Control Module ROM - AutoCodes.com — P1703 2003 Infiniti G35 Code - Transmission Control Module ROM

What does this mean?

What are the Possible Causes of the DTC P1703 2003 Infiniti G35?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC P1703 2003 Infiniti G35?

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 does this mean?

Code Tech Notes

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 P1703

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1703 2003 Infiniti G35 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 P1703 2003 Infiniti G35 code?

Need more information on how to fix the P1703 2003 Infiniti G35 code? Get Access to Factory Service Manuals

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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 P1703 2003 Infiniti G35 Code

1. What does OBDII code P1703 mean for a 2003 Infiniti G35?

The code P1703 on a 2003 Infiniti G35 indicates an issue with the Transmission Control Module ROM.

2. What are the common symptoms of OBDII code P1703 on a 2003 Infiniti G35?

Common symptoms of code P1703 may include harsh shifting, transmission slipping, or the vehicle going into limp mode.

3. What are the possible causes of OBDII code P1703 on a 2003 Infiniti G35?

Possible causes of code P1703 include a faulty Transmission Control Module, damaged wiring, or a software glitch in the control module.

4. How can I diagnose OBDII code P1703 on a 2003 Infiniti G35?

Diagnosing code P1703 typically involves using a professional OBDII scanner to read the trouble codes, checking the transmission control module for any visible damage, and testing the wiring for continuity.

5. Is it safe to continue driving with OBDII code P1703 on a 2003 Infiniti G35?

It is not recommended to continue driving with code P1703 present, as it can lead to further damage to the transmission system.

6. How can OBDII code P1703 on a 2003 Infiniti G35 be repaired?

Repairing code P1703 may involve reprogramming or replacing the Transmission Control Module, repairing any damaged wiring, or addressing any underlying issues causing the code.

7. Can a DIY enthusiast fix OBDII code P1703 on a 2003 Infiniti G35?

While some simple checks like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing code P1703 may require professional tools and expertise.

8. How much does it typically cost to repair OBDII code P1703 on a 2003 Infiniti G35?

The cost of repairing code P1703 can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

9. Will resetting the OBDII system clear code P1703 on a 2003 Infiniti G35?

Simply resetting the OBDII system may temporarily clear the code, but it is important to diagnose and address the underlying issue to prevent it from reoccurring.

10. Can OBDII code P1703 on a 2003 Infiniti G35 cause long-term damage if left unresolved?

If left unresolved, code P1703 can potentially lead to further damage to the transmission system and other related components, resulting in more costly repairs in the future.