AutoCodes – Nissan – P1704 Nissan

P1704 Nissan 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 Nissan 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 8,211
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 30, 2020
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Code P1704 Nissan Description

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). The Diagnostic Trouble Code (DTC) will set when the TCM memory Electrically Erasable Programmable Read Only Memory (EEPROM) is malfunctioning.
OBDII Code P1704 Nissan - Transmission Control Module - AutoCodes.com
P1704 Nissan Code - Transmission Control Module

What are the Possible Causes of the DTC P1704 Nissan?

  • 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 Nissan?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1704 Nissan 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 Nissan code?

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Need Help with the 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 Nissan Code

1. What are the common symptoms of OBDII code P1704 in a Nissan related to the Transmission Control Module?

Common symptoms include harsh shifting, delayed shifting, the transmission stuck in a single gear, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code P1704 in a Nissan?

The code P1704 in a Nissan is typically caused by issues with the Transmission Control Module (TCM), faulty wiring or connectors, or internal transmission problems.

3. How can I diagnose OBDII code P1704 in my Nissan related to the Transmission Control Module?

Diagnosing code P1704 involves using a scan tool to retrieve the specific fault codes, checking the wiring and connectors for any damage or corrosion, and performing a thorough inspection of the transmission system.

4. What are some repair tips for addressing OBDII code P1704 in a Nissan?

Repair tips may include checking and repairing any damaged wiring or connectors, ensuring proper connection to the TCM, and considering a TCM replacement if necessary.

5. Can I drive my Nissan with OBDII code P1704 related to the Transmission Control Module?

It is not recommended to drive your Nissan with code P1704 as it can lead to further damage to the transmission system. It is best to address the issue promptly.

6. How much does it typically cost to repair OBDII code P1704 in a Nissan?

The cost of repairing code P1704 in a Nissan can vary depending on the exact cause of the issue, but it may involve expenses related to parts replacement, labor, and diagnostic fees.

7. Is it possible to reset OBDII code P1704 in a Nissan without fixing the underlying issue?

Resetting the code without addressing the underlying problem will only temporarily clear the error code. The issue will likely resurface until properly repaired.

8. Can a DIY enthusiast repair OBDII code P1704 in a Nissan related to the Transmission Control Module?

While some basic diagnostic steps can be taken by a knowledgeable DIY enthusiast, addressing code P1704 often requires specialized tools and expertise best handled by a professional mechanic.

9. How long does it usually take to repair OBDII code P1704 in a Nissan?

The repair time for code P1704 in a Nissan can vary depending on the complexity of the issue and the availability of parts. It may take a few hours to a full day in some cases.

10. What happens if OBDII code P1704 in a Nissan related to the Transmission Control Module is left unaddressed?

Leaving code P1704 unaddressed can lead to more severe transmission problems, increased repair costs, and potential safety hazards while driving. It is crucial to resolve the issue promptly.

Discuss the causes and fixes for P1704 Nissan OBDII Code

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