AutoCodes – Nissan – P1702 Nissan

P1702 Nissan Code - Transmission Control Module RAM

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: P1702 Nissan indicates Transmission Control Module RAM.
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 9,176

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 P1702 Nissan Description

OBDII Code P1702 Nissan - Transmission Control Module RAM - AutoCodes.com — P1702 Nissan Code - Transmission Control Module RAM

What does this mean?

What are the Possible Causes of the DTC P1702 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 P1702 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.

What does this mean?

Code Tech Notes

There is a Factory Service Bulletin for all 2003-2010 Nissan vehicles with 5-Speed A/T RE5R05A Transmission:
2003-2010 Nissan RE5R05A Transmission Factory Service Bulletin OBDII Code P1702

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1702 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 P1702 Nissan code?

Need more information on how to fix the P1702 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1702 Nissan code diagnosed by a professional: Find a repair shop in your area

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 Nissan Code

1. What are common symptoms of OBDII code P1702 in a Nissan related to the Transmission Control Module RAM?

Symptoms may include harsh shifting, transmission slipping, inability to shift gears, and the transmission getting stuck in a single gear.

2. What are possible causes of OBDII code P1702 in a Nissan?

Common causes include a faulty Transmission Control Module (TCM), damaged wiring or connectors, low transmission fluid levels, or a defective TCM RAM.

3. How can I diagnose the OBDII code P1702 in my Nissan?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the transmission fluid level and condition, inspecting the TCM and related components, and testing the wiring for continuity.

4. What is the importance of the Transmission Control Module RAM in a Nissan's transmission system?

The TCM RAM stores important data and parameters that help control the transmission's shifting behavior, ensuring smooth operation and optimal performance.

5. Can driving with OBDII code P1702 in a Nissan cause further damage to the vehicle?

Continued driving with this code may lead to further transmission issues, poor performance, and potentially causing additional damage to the transmission system.

6. How can I repair OBDII code P1702 in my Nissan related to the Transmission Control Module RAM?

Repair options may include replacing the TCM, repairing damaged wiring or connectors, ensuring proper transmission fluid levels, and resetting the TCM to clear the error code.

7. Is it safe to continue driving my Nissan with OBDII code P1702 present?

It is not recommended to continue driving the vehicle with this code present, as it can lead to transmission issues and potential safety hazards on the road.

8. Can a DIY enthusiast fix OBDII code P1702 in a Nissan at home?

Depending on the specific cause of the code, some DIY enthusiasts may be able to address the issue by following repair guides and utilizing basic tools. However, complex issues may require professional assistance.

9. How much does it typically cost to repair OBDII code P1702 in a Nissan at a professional auto repair shop?

Repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $200 to $800 for parts and labor to address OBDII code P1702 related to the TCM RAM in a Nissan.

10. Will resetting the OBDII system clear the P1702 code in a Nissan?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing OBDII code P1702 is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.