AutoCodes – Nissan – P1805 2009 Nissan Pathfinder

P1805 2009 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 2009 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 2,508

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 2009 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 2009 Nissan Pathfinder - Stop Lamp Switch - AutoCodes.com — P1805 2009 Nissan Pathfinder Code - Stop Lamp Switch

What does this mean?

What are the Possible Causes of the DTC P1805 2009 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 2009 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 2009 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 2009 Nissan Pathfinder code?

Need more information on how to fix the P1805 2009 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 2009 Nissan Pathfinder Code

1. What does OBDII code P1805 on a 2009 Nissan Pathfinder indicate?

The OBDII code P1805 on a 2009 Nissan Pathfinder relates to the Stop Lamp Switch Circuit.

2. What are the common symptoms of a P1805 code on a 2009 Nissan Pathfinder?

Common symptoms of a P1805 code may include inoperative brake lights, inability to shift out of Park, and the illumination of the Check Engine Light.

3. What are the possible causes of OBDII code P1805 on a 2009 Nissan Pathfinder?

Common causes of a P1805 code on a 2009 Nissan Pathfinder include a faulty stop lamp switch, wiring issues, or a malfunction in the brake light circuit.

4. How can I diagnose the source of a P1805 code on my 2009 Nissan Pathfinder?

To diagnose a P1805 code, start by checking the stop lamp switch for proper operation, inspecting the wiring for any damage, and testing the brake light circuit for continuity.

5. Can I continue driving my 2009 Nissan Pathfinder with a P1805 code?

It is not recommended to drive your 2009 Nissan Pathfinder with a P1805 code, as it may affect the proper operation of the brake lights and shift interlock system.

6. How can I repair a P1805 code on my 2009 Nissan Pathfinder?

To repair a P1805 code, you may need to replace the faulty stop lamp switch, repair any damaged wiring, or address any issues in the brake light circuit as necessary.

7. Is it possible to reset the Check Engine Light after fixing a P1805 code on a 2009 Nissan Pathfinder?

Yes, you can reset the Check Engine Light after fixing a P1805 code by using an OBDII scanner or disconnecting the car's battery for a few minutes.

8. Are there any DIY tips for addressing a P1805 code on a 2009 Nissan Pathfinder?

While diagnosing and repairing a P1805 code may require some technical knowledge, checking the stop lamp switch adjustment and connections can be a good starting point for DIY enthusiasts.

9. Will a P1805 code on a 2009 Nissan Pathfinder affect vehicle performance?

While a P1805 code directly impacts the brake light system, it may not significantly affect the overall performance of the vehicle but should be addressed promptly for safety reasons.

10. How much does it cost to fix a P1805 code on a 2009 Nissan Pathfinder?

The cost to fix a P1805 code on a 2009 Nissan Pathfinder can vary depending on the cause of the issue, but it may involve replacing the stop lamp switch, which can range from $50 to $150 for parts and labor.