AutoCodes – Nissan – P1805 2008 Nissan Pathfinder

P1805 2008 Nissan Pathfinder Code - Stop Lamp Switch

Quick Answer

The brake switch signal is applied to the Engine Control Module (ECM) through the stop lamp switch when the brake pedal is depressed. Common causes include Faulty Stop Lamp Switch, Stop Lamp Switch harness is open or shorted, Stop Lamp Switch 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: P1805 2008 Nissan Pathfinder indicates Stop Lamp Switch.
Common causes: Common causes include Faulty Stop Lamp Switch, Stop Lamp Switch harness is open or shorted, Stop Lamp Switch 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,822

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 05, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1805 2008 Nissan Pathfinder Description

The brake switch signal is applied to the Engine Control Module (ECM) through the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is driving. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a faulty Stop Lamp Switch.

OBDII Code P1805 2008 Nissan Pathfinder - Stop Lamp Switch - AutoCodes.com — P1805 2008 Nissan Pathfinder Code - Stop Lamp Switch

What does this mean?

What are the Possible Causes of the DTC P1805 2008 Nissan Pathfinder?

Faulty Stop Lamp Switch
Stop Lamp Switch harness is open or shorted
Stop Lamp Switch circuit poor electrical connection

How to Fix the DTC P1805 2008 Nissan Pathfinder?

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 P1805 2008 Nissan Pathfinder 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 P1805 2008 Nissan Pathfinder code?

Need more information on how to fix the P1805 2008 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1805 2008 Nissan Pathfinder 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 P1805 2008 Nissan Pathfinder Code

1. What does OBDII code P1805 on a 2008 Nissan Pathfinder indicate?

The P1805 code specifically refers to a malfunction in the stop lamp switch circuit.

2. What are the common symptoms of a P1805 code in a 2008 Nissan Pathfinder?

Common symptoms include the inability to shift out of Park, the brake lights not working, and the inability to engage cruise control.

3. What are the potential causes of a P1805 code in a 2008 Nissan Pathfinder?

The P1805 code is commonly triggered by a faulty stop lamp switch, a damaged or misaligned brake pedal position sensor, or issues with the wiring in the stop lamp circuit.

4. How can I diagnose a P1805 code in my 2008 Nissan Pathfinder?

Diagnosing a P1805 code involves checking the stop lamp switch for proper operation, inspecting the brake pedal position sensor, and examining the wiring for any visible damage or loose connections.

5. Can I continue driving my 2008 Nissan Pathfinder with a P1805 code?

It is not recommended to drive your vehicle with a P1805 code as it may affect critical safety features like the brake lights and cruise control.

6. How can I repair a P1805 code in my 2008 Nissan Pathfinder?

To repair a P1805 code, you may need to replace the faulty stop lamp switch, realign or replace the brake pedal position sensor, or repair any damaged wiring in the stop lamp circuit.

7. Is it possible to reset a P1805 code in a 2008 Nissan Pathfinder without making any repairs?

While you can clear the code using an OBDII scanner, it is crucial to address the underlying issue causing the P1805 code to prevent it from reoccurring.

8. Can a DIY enthusiast fix a P1805 code in a 2008 Nissan Pathfinder?

Depending on your experience and knowledge, you may be able to address a P1805 code yourself by following repair guides and using the necessary tools.

9. Are there any safety precautions I should take when working on a P1805 code in my 2008 Nissan Pathfinder?

When working on the stop lamp switch or brake pedal position sensor, always disconnect the battery and follow proper safety procedures to avoid any electrical mishaps.

10. How can I prevent a P1805 code from appearing in my 2008 Nissan Pathfinder in the future?

Regularly inspecting and maintaining the stop lamp switch, brake pedal position sensor, and wiring can help prevent the recurrence of a P1805 code in your Nissan Pathfinder.