AutoCodes – Infiniti – P1704 2004 Infiniti G35

P1704 2004 Infiniti G35 Code - Transmission Control Module

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: P1704 2004 Infiniti G35 indicates Transmission Control Module.
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 2,633

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 P1704 2004 Infiniti G35 Description

OBDII Code P1704 2004 Infiniti G35 - Transmission Control Module - AutoCodes.com — P1704 2004 Infiniti G35 Code - Transmission Control Module

What does this mean?

What are the Possible Causes of the DTC P1704 2004 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 P1704 2004 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 2004 Infiniti G35 with 5-Speed A/T RE5R05A Transmission:
2004 Infiniti G35 RE5R05A Transmission Factory Service Bulletin OBDII Code P1704

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1704 2004 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 P1704 2004 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 P1704 2004 Infiniti G35 Code

1. What does OBDII code P1704 mean on a 2004 Infiniti G35?

P1704 indicates a fault related to the Transmission Control Module (TCM), specifically an issue with the park/neutral position switch or its circuit.

2. What are common symptoms of code P1704 on a 2004 Infiniti G35?

Symptoms may include the Check Engine Light turning on, difficulty starting the vehicle in park or neutral, issues shifting gears, or erratic transmission behavior.

3. What causes code P1704 in a 2004 Infiniti G35?

Common causes include a faulty park/neutral position switch, damaged wiring or connectors in the switch circuit, or a malfunctioning Transmission Control Module.

4. Can code P1704 affect the drivability of my 2004 Infiniti G35?

Yes, it can cause issues such as trouble starting the vehicle in park or neutral, unexpected gear shifts, or even a failure to engage the transmission properly.

5. How do I diagnose code P1704 in a 2004 Infiniti G35?

Diagnosis typically involves checking the park/neutral position switch, inspecting the wiring and connectors for damage, and using a multimeter to test the circuit for proper voltage and continuity.

6. Is code P1704 specific to the transmission in the 2004 Infiniti G35?

Yes, it relates to the transmission system, specifically the park/neutral position switch and its communication with the TCM.

7. Can I drive my 2004 Infiniti G35 with code P1704 active?

Itâ€™s not recommended, as the issue could lead to further transmission problems or unsafe starting and shifting conditions.

8. How is code P1704 fixed on a 2004 Infiniti G35?

Repairs may include replacing the park/neutral position switch, repairing or replacing damaged wiring, or updating/replacing the Transmission Control Module if necessary.

9. How much does it cost to repair code P1704 on a 2004 Infiniti G35?

Costs can vary, but replacing a park/neutral position switch typically ranges from $100 to $300, depending on parts and labor. Wiring or TCM repairs could increase costs.

10. Can code P1704 trigger other transmission-related trouble codes?

Yes, if the issue disrupts communication or proper function of the TCM, it may lead to additional diagnostic trouble codes (DTCs) related to the transmission system.