AutoCodes – Infiniti – P1815 2006 Infiniti G35

P1815 2006 Infiniti G35 Code - Manual Mode Switch

Quick Answer

Manual Mode Switch is installed in A/T device. Common causes include Faulty Manual Mode Switch (Built into A/T control device), Faulty Position Select Switch (Built into A/T control device), Manual Mode Switch harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1815 2006 Infiniti G35 indicates Manual Mode Switch.
Common causes: Common causes include Faulty Manual Mode Switch (Built into A/T control device), Faulty Position Select Switch (Built into A/T control device), Manual Mode Switch harness is open or shorted.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 13,225

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1815 2006 Infiniti G35 Description

Manual Mode Switch is installed in A/T device. It sends manual mode switch, shift up and shift down switch signals to Transmission Control Module (TCM). TCM sends the switch signals to combination meter. by CAN communication line. Then manual mode switch position is indicated on the A/T indicator.

OBDII Code P1815 2006 Infiniti G35 - Manual Mode Switch - AutoCodes.com — P1815 2006 Infiniti G35 Code - Manual Mode Switch

What does this mean?

What are the Possible Causes of the DTC P1815 2006 Infiniti G35?

Faulty Manual Mode Switch (Built into A/T control device)
Faulty Position Select Switch (Built into A/T control device)
Manual Mode Switch harness is open or shorted
Manual Mode Switch circuit poor electrical connection

How to Fix the DTC P1815 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 P1815 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 P1815 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 P1815 2006 Infiniti G35 Code

1. What does the OBDII code P1815 mean for a 2006 Infiniti G35?

The code P1815 in a 2006 Infiniti G35 indicates an issue with the Manual Mode Switch.

2. What are the common symptoms of OBDII code P1815 in a 2006 Infiniti G35?

Common symptoms include the inability to shift into manual mode, transmission shifting issues, and the malfunction indicator light (MIL) illuminating on the dashboard.

3. What are the possible causes of OBDII code P1815 in a 2006 Infiniti G35?

Possible causes include a faulty manual mode switch, damaged wiring or connectors related to the switch, or a problem with the transmission control module.

4. How can I diagnose the Manual Mode Switch issue causing OBDII code P1815 in a 2006 Infiniti G35?

A diagnostic scan tool can be used to retrieve the specific trouble code (P1815) and further testing can be done to check the manual mode switch, wiring, and connections for any faults.

5. Can I continue driving my 2006 Infiniti G35 with OBDII code P1815 present?

It is not recommended to continue driving with the P1815 code as it can lead to potential transmission issues. It's best to address the problem promptly.

6. How can I repair the Manual Mode Switch problem causing OBDII code P1815 in a 2006 Infiniti G35?

Repairs may involve replacing the manual mode switch, repairing damaged wiring or connectors, or addressing any issues with the transmission control module.

7. Is it possible to reset the OBDII code P1815 in a 2006 Infiniti G35 without fixing the underlying issue?

Resetting the code without addressing the underlying issue will likely result in the code reappearing once the problem is detected again by the vehicle's diagnostic system.

8. Are there any DIY tips for troubleshooting OBDII code P1815 in a 2006 Infiniti G35?

DIY tips include checking the manual mode switch for physical damage, inspecting the wiring harness for any visible issues, and ensuring all connections are secure.

9. Can a professional mechanic help with diagnosing and repairing OBDII code P1815 in a 2006 Infiniti G35?

Yes, a professional mechanic with experience in diagnosing and repairing transmission-related issues can assist in resolving the Manual Mode Switch problem causing the P1815 code.

10. How much can I expect to pay for fixing OBDII code P1815 in a 2006 Infiniti G35?

The cost of repairs can vary depending on the exact cause of the issue, but it's advisable to budget for diagnostic fees, parts replacement costs, and labor charges when addressing the P1815 code.