AutoCodes – Nissan – P1805 2005 Nissan Pathfinder

P1805 2005 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 2005 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.

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Code Popularity 2,323

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
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Code P1805 2005 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 2005 Nissan Pathfinder - Stop Lamp Switch - AutoCodes.com — P1805 2005 Nissan Pathfinder Code - Stop Lamp Switch

What does this mean?

What are the Possible Causes of the DTC P1805 2005 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 2005 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 2005 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 2005 Nissan Pathfinder code?

Need more information on how to fix the P1805 2005 Nissan Pathfinder code? Get Access to Factory Service Manuals

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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 P1805 2005 Nissan Pathfinder Code

1. What does the OBDII code P1805 mean for a 2005 Nissan Pathfinder?

The OBDII code P1805 on a 2005 Nissan Pathfinder specifically indicates an issue with the Stop Lamp Switch.

2. What are some common symptoms of a P1805 code in a 2005 Nissan Pathfinder?

Common symptoms of a P1805 code in a 2005 Nissan Pathfinder may include the brake lights not working, the vehicle unable to shift out of park, or the cruise control not functioning.

3. What are the possible causes of the P1805 code in a 2005 Nissan Pathfinder?

The P1805 code on a 2005 Nissan Pathfinder is typically triggered by a faulty stop lamp switch, a damaged wiring harness related to the switch, or a poor electrical connection.

4. How can I diagnose the cause of a P1805 code in my 2005 Nissan Pathfinder?

To diagnose the cause of a P1805 code in a 2005 Nissan Pathfinder, you can start by visually inspecting the stop lamp switch and its wiring for any visible damage. You may also use a multimeter to test the switch's functionality and check for proper voltage.

5. Can I still drive my 2005 Nissan Pathfinder with a P1805 code?

It is generally not recommended to drive your 2005 Nissan Pathfinder with a P1805 code, as it can affect important safety features like the brake lights. It's best to address the issue promptly to ensure safe driving conditions.

6. How can I repair a P1805 code on my 2005 Nissan Pathfinder?

Repairing a P1805 code on a 2005 Nissan Pathfinder usually involves replacing the faulty stop lamp switch. Ensure the replacement switch is compatible with your vehicle's make and model.

7. Is it possible to reset the P1805 code on a 2005 Nissan Pathfinder without fixing the issue?

While you can clear the code temporarily using an OBDII scanner, the code is likely to return if the underlying issue with the stop lamp switch is not addressed.

8. Can a DIY enthusiast fix the P1805 code in a 2005 Nissan Pathfinder?

If you have experience working on automotive electrical systems, you may be able to replace the stop lamp switch yourself. However, if you're unsure, it's best to seek professional help to ensure the repair is done correctly.

9. Is the stop lamp switch easily accessible in a 2005 Nissan Pathfinder?

The stop lamp switch in a 2005 Nissan Pathfinder is typically located near the brake pedal assembly. It may require some disassembly to access and replace the switch effectively.

10. How long does it take to repair a P1805 code on a 2005 Nissan Pathfinder?

The repair time for a P1805 code on a 2005 Nissan Pathfinder can vary depending on your experience level and access to tools. On average, it may take around 1-2 hours to diagnose and replace the faulty stop lamp switch.