AutoCodes – Infiniti – P1731 2006 Infiniti G35

P1731 2006 Infiniti G35 Code - A/T 1st Engine Braking

Quick Answer

The engine braking is controlled by the Low Coast Brake Solenoid Valve. Common causes include Low transmission fluid, Faulty Low Coast Brake Solenoid Valve, Low Coast Brake Solenoid Valve harness is open or shorted. 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: P1731 2006 Infiniti G35 indicates A/T 1st Engine Braking.
Common causes: Common causes include Low transmission fluid, Faulty Low Coast Brake Solenoid Valve, Low Coast Brake Solenoid Valve harness is open or shorted.
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 2,922

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 Aug 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1731 2006 Infiniti G35 Description

The engine braking is controlled by the Low Coast Brake Solenoid Valve. The Transmission Control Module (TCM) uses the Automatic Transmission Fluid (ATF) Pressure Switch to monitor the Low Coast Brake apply pressure. The Diagnostic Trouble Code (DTC) will set when the TCM monitors each ATF Pressure Switch and Low Coast Brake Solenoid monitor value and detects as irregular when engine brake of 1st gear acts other than at M1 position.

OBDII Code P1731 2006 Infiniti G35 - A/T 1st Engine Braking - AutoCodes.com — P1731 2006 Infiniti G35 Code - A/T 1st Engine Braking

What does this mean?

What are the Possible Causes of the DTC P1731 2006 Infiniti G35?

Low transmission fluid
Faulty Low Coast Brake Solenoid Valve
Low Coast Brake Solenoid Valve harness is open or shorted
Low Coast Brake Solenoid Valve circuit poor electrical connection
Faulty Automatic Transmission Fluid (ATF) Pressure Switch

How to Fix the DTC P1731 2006 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1731 2006 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 P1731 2006 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 P1731 2006 Infiniti G35 Code

1. What does OBDII code P1731 indicate on a 2006 Infiniti G35?

The code P1731 on a 2006 Infiniti G35 relates to A/T 1st Engine Braking performance.

2. What are the common symptoms of OBDII code P1731 in a 2006 Infiniti G35?

Common symptoms of code P1731 in a 2006 Infiniti G35 may include harsh shifting, transmission slipping, and decreased fuel efficiency.

3. What are the possible causes of OBDII code P1731 on a 2006 Infiniti G35?

Potential causes of code P1731 in a 2006 Infiniti G35 include faulty transmission components, low transmission fluid levels, or a malfunctioning transmission control module.

4. How can I diagnose OBDII code P1731 in my 2006 Infiniti G35?

Diagnosing code P1731 in a 2006 Infiniti G35 typically involves using an OBDII scanner to retrieve the code, inspecting the transmission fluid level and condition, and conducting a thorough inspection of the transmission system.

5. What are the repair options for addressing OBDII code P1731 on a 2006 Infiniti G35?

Repair options for resolving code P1731 in a 2006 Infiniti G35 may include replacing faulty transmission components, performing a transmission fluid flush and refill, or reprogramming the transmission control module.

6. Can I continue driving my 2006 Infiniti G35 with OBDII code P1731 present?

It is not recommended to continue driving your 2006 Infiniti G35 with code P1731 present, as it can lead to further damage to the transmission system and potentially result in costly repairs.

7. How much does it typically cost to repair OBDII code P1731 on a 2006 Infiniti G35?

The cost of repairing code P1731 on a 2006 Infiniti G35 can vary depending on the specific issue causing the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can I reset OBDII code P1731 on my 2006 Infiniti G35 without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the root cause of the problem, as the issue may persist and potentially cause further damage.

9. Is OBDII code P1731 a common problem in 2006 Infiniti G35 vehicles?

While code P1731 may not be as common as some other OBDII codes, it can still occur in 2006 Infiniti G35 vehicles, particularly as they age and experience wear and tear on the transmission system.

10. How can I prevent OBDII code P1731 from recurring in my 2006 Infiniti G35?

To help prevent code P1731 from recurring in your 2006 Infiniti G35, it is essential to maintain regular transmission fluid changes, address any transmission issues promptly, and follow the manufacturer's recommended maintenance schedule.