AutoCodes – Nissan – P1805 2006 Nissan Maxima

P1805 2006 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 2006 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 4,148

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 2006 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 2006 Nissan Maxima - Stop Lamp Switch - AutoCodes.com — P1805 2006 Nissan Maxima Code - Stop Lamp Switch

What does this mean?

What are the Possible Causes of the DTC P1805 2006 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 2006 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 2006 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 2006 Nissan Maxima 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 2006 Nissan Maxima Code

1. What does OBDII code P1805 on a 2006 Nissan Maxima indicate?

- OBDII code P1805 in a 2006 Nissan Maxima specifically relates to the Stop Lamp Switch circuit.

2. What are the common symptoms of a P1805 code in a 2006 Nissan Maxima?

- Common symptoms of a P1805 code include inoperative brake lights, inability to shift out of park, and the illumination of the malfunction indicator lamp (MIL).

3. What are the possible causes of a P1805 code in a 2006 Nissan Maxima?

- The P1805 code in a 2006 Nissan Maxima is typically caused by a faulty stop lamp switch, damaged wiring in the stop lamp circuit, or a defective brake pedal position sensor.

4. How can I diagnose a P1805 code in my 2006 Nissan Maxima?

- To diagnose a P1805 code, you can start by visually inspecting the stop lamp switch and its wiring for any visible damage. Using a multimeter, you can test the continuity and voltage in the circuit to pinpoint the issue.

5. How can I repair a P1805 code in my 2006 Nissan Maxima?

- Repairing a P1805 code often involves replacing the faulty stop lamp switch, repairing any damaged wiring, or recalibrating the brake pedal position sensor. It is recommended to follow the manufacturer's repair procedures.

6. Can a P1805 code in a 2006 Nissan Maxima lead to any safety concerns?

- Yes, a P1805 code can pose safety concerns as it may result in inoperative brake lights, which can reduce visibility to other drivers and increase the risk of rear-end collisions.

7. Is it safe to continue driving with a P1805 code in a 2006 Nissan Maxima?

- It is not recommended to drive with a P1805 code as it can affect the proper functioning of the brake lights and potentially lead to safety hazards. It is advisable to address the issue promptly.

8. Will a P1805 code in a 2006 Nissan Maxima affect the vehicle's performance?

- While a P1805 code may not directly impact the performance of the vehicle, it can cause issues with shifting out of park and may trigger a limp mode, limiting the vehicle's speed and drivability.

9. How much does it typically cost to repair a P1805 code in a 2006 Nissan Maxima?

- The cost of repairing a P1805 code in a 2006 Nissan Maxima can vary depending on the underlying issue, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

10. Can I reset the P1805 code in my 2006 Nissan Maxima without fixing the underlying issue?

- While you can clear the code using an OBDII scanner, it is not recommended to reset the code without addressing the root cause, as the issue may persist and trigger the code again.