AutoCodes – Nissan – P1805 2008 Nissan Maxima

P1805 2008 Nissan Maxima 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 Maxima 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 2,458

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1805 2008 Nissan Maxima 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 Maxima - Stop Lamp Switch - AutoCodes.com — P1805 2008 Nissan Maxima Code - Stop Lamp Switch

What does this mean?

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

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 Maxima?

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 does this mean?

Code Tech Notes

Check to see all the brake lights are working, if they are not check the stop lamp switch. (see picture)

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1805 2008 Nissan Maxima 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 Maxima code?

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

Need Help with the 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 P1805 2008 Nissan Maxima Code

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

The OBDII code P1805 on a 2008 Nissan Maxima indicates a malfunction related to the Stop Lamp Switch.

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

Common symptoms of a P1805 code in a 2008 Nissan Maxima include the inability to shift out of park, cruise control not working, and the brake lights staying on.

3. What are the possible causes of the P1805 code in a 2008 Nissan Maxima?

Possible causes of the P1805 code in a 2008 Nissan Maxima include a faulty stop lamp switch, a misadjusted stop lamp switch, or wiring issues related to the stop lamp switch.

4. How can I diagnose the P1805 code in my 2008 Nissan Maxima?

To diagnose the P1805 code in a 2008 Nissan Maxima, you can start by checking the stop lamp switch for proper operation, adjusting it if necessary, and inspecting the wiring for any signs of damage.

5. Can I still drive my 2008 Nissan Maxima with a P1805 code?

It is not recommended to drive your 2008 Nissan Maxima with a P1805 code, as it can affect crucial functions like shifting and brake light operation. It's best to address the issue promptly.

6. How can I repair the P1805 code in my 2008 Nissan Maxima?

To repair the P1805 code in a 2008 Nissan Maxima, you may need to replace the faulty stop lamp switch, adjust the switch properly, or repair any damaged wiring associated with the switch.

7. Will resetting the OBDII code P1805 on a 2008 Nissan Maxima make it go away permanently?

Resetting the OBDII code P1805 on a 2008 Nissan Maxima may temporarily clear the code, but if the underlying issue with the stop lamp switch is not addressed, the code is likely to return.

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

Depending on your skill level and access to tools, a DIY enthusiast may be able to fix the P1805 code in a 2008 Nissan Maxima by following repair guides or consulting with a professional for guidance.

9. How long does it typically take to repair a P1805 code in a 2008 Nissan Maxima?

The time it takes to repair a P1805 code in a 2008 Nissan Maxima can vary based on the exact cause of the issue and the repair method chosen, but it can usually be resolved within a few hours.

10. Is it necessary to get a professional diagnostic for a P1805 code in a 2008 Nissan Maxima?

While a professional diagnostic can provide a more accurate assessment of the issue, if you are experienced with automotive repairs and confident in your abilities, you may be able to diagnose and fix the P1805 code in your 2008 Nissan Maxima on your own.