AutoCodes – Nissan – P1805 Nissan

P1805 Nissan 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 Nissan 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 46,247

How popular is this code, among other codes? Medium

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

What does this mean?

What are the Possible Causes of the DTC P1805 Nissan?

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 Nissan?

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 Nissan 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 Nissan code?

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

Need Help with the Code?

Get the P1805 Nissan code diagnosed by a professional: Find a repair shop in your area

Information for Specific Nissan Models

P1805 2002 Nissan Altima Sedan — Stop Lamp Switch
P1805 2003 Nissan Altima Sedan — Stop Lamp Switch
P1805 2004 Nissan Altima Sedan — Stop Lamp Switch
P1805 2005 Nissan Altima Sedan — Stop Lamp Switch
P1805 2006 Nissan Altima Sedan — Stop Lamp Switch
P1805 2008 Nissan Altima Sedan — Stop Lamp Switch
P1805 2009 Nissan Altima Sedan — Stop Lamp Switch
P1805 2010 Nissan Altima Sedan — Stop Lamp Switch
P1805 2011 Nissan Altima Sedan — Stop Lamp Switch
P1805 2012 Nissan Altima Sedan — Stop Lamp Switch
P1805 2004 Nissan Maxima — Stop Lamp Switch
P1805 2005 Nissan Maxima — Stop Lamp Switch
P1805 2006 Nissan Maxima — Stop Lamp Switch
P1805 2007 Nissan Maxima — Stop Lamp Switch
P1805 2008 Nissan Maxima — Stop Lamp Switch
P1805 2005 Nissan Pathfinder — Stop Lamp Switch
P1805 2006 Nissan Pathfinder — Stop Lamp Switch
P1805 2007 Nissan Pathfinder — Stop Lamp Switch
P1805 2008 Nissan Pathfinder — Stop Lamp Switch
P1805 2009 Nissan Pathfinder — Stop Lamp Switch
P1805 2010 Nissan Pathfinder — Stop Lamp Switch
P1805 2011 Nissan Pathfinder — Stop Lamp Switch
P1805 2012 Nissan Pathfinder — Stop Lamp Switch
P1805 2008 Nissan Rogue — Stop Lamp Switch
P1805 2009 Nissan Rogue — Stop Lamp Switch
P1805 2010 Nissan Rogue — Stop Lamp Switch
P1805 2011 Nissan Rogue — Stop Lamp Switch
P1805 2012 Nissan Rogue — Stop Lamp Switch
P1805 2013 Nissan Rogue — Stop Lamp Switch
P1805 2007 Nissan Sentra — Stop Lamp Switch
P1805 2008 Nissan Sentra — Stop Lamp Switch
P1805 2009 Nissan Sentra — Stop Lamp Switch
P1805 2010 Nissan Sentra — Stop Lamp Switch
P1805 2011 Nissan Sentra — Stop Lamp Switch
P1805 2012 Nissan Sentra — Stop Lamp Switch

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 Nissan Code

1. What are the common symptoms of OBDII code P1805 Nissan (Stop Lamp Switch)?

One common symptom is the inability to shift out of park, as the code relates to issues with the stop lamp switch.

2. What are the possible causes of the P1805 Nissan code?

The P1805 code is typically triggered by a malfunction in the stop lamp switch, often caused by a faulty switch or wiring issues.

3. How can I diagnose the issue related to the P1805 code?

To diagnose the issue, check the stop lamp switch for proper operation, inspect the wiring for any damage, and ensure the switch is properly adjusted.

4. Can a faulty stop lamp switch affect the vehicle's brake lights?

Yes, a faulty stop lamp switch can lead to issues with the brake lights, including them not illuminating when the brake pedal is pressed.

5. How can I repair the P1805 Nissan code related to the stop lamp switch?

Repair options include replacing the faulty stop lamp switch, repairing any damaged wiring, and adjusting the switch to ensure proper operation.

6. Are there any safety concerns associated with the P1805 code?

Yes, addressing the P1805 code promptly is important as it can affect the proper operation of the vehicle's brake lights, potentially compromising safety.

7. Can the P1805 code be triggered by other issues besides the stop lamp switch?

While rare, the P1805 code can sometimes be triggered by issues with the brake light circuit or related components.

8. Is it safe to continue driving with the P1805 code present?

It is not recommended to continue driving with the P1805 code active, as it can impact the proper functioning of the brake lights and potentially pose a safety risk.

9. Can resetting the OBDII system clear the P1805 code temporarily?

Resetting the OBDII system may temporarily clear the P1805 code, but if the underlying issue with the stop lamp switch is not addressed, the code is likely to reappear.

10. Will the P1805 code cause the vehicle to fail an emissions test?

The P1805 code itself is not directly related to emissions, but it should still be addressed promptly to ensure the vehicle's overall safety and functionality.