AutoCodes – Infiniti – P1805 2006 Infiniti G35

P1805 2006 Infiniti G35 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 Infiniti G35 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 3,649

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 2006 Infiniti G35 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 Infiniti G35 - Stop Lamp Switch - AutoCodes.com — P1805 2006 Infiniti G35 Code - Stop Lamp Switch

What does this mean?

What are the Possible Causes of the DTC P1805 2006 Infiniti G35?

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 Infiniti G35?

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 2006 Infiniti G35 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 Infiniti G35 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 Infiniti G35 Code

1. What does OBDII code P1805 on a 2006 Infiniti G35 indicate?

The P1805 code in a 2006 Infiniti G35 points to a malfunction in the Stop Lamp Switch circuit.

2. What are the common symptoms of a P1805 code on a 2006 Infiniti G35?

Common symptoms include the inability to shift out of park, the brake lights not working, and the inability to engage cruise control.

3. What are the potential causes of a P1805 code on a 2006 Infiniti G35?

Possible causes include a faulty Stop Lamp Switch, damaged wiring or connectors in the circuit, or a malfunctioning brake light circuit.

4. How can I diagnose a P1805 code on a 2006 Infiniti G35?

Diagnosis involves checking the Stop Lamp Switch for proper operation, inspecting the wiring and connectors for any damage, and testing the brake light circuit.

5. How can I repair a P1805 code on a 2006 Infiniti G35?

Repairing a P1805 code may involve replacing the Stop Lamp Switch, repairing any damaged wiring or connectors, or addressing any issues within the brake light circuit.

6. Can a P1805 code on a 2006 Infiniti G35 be fixed at home?

Depending on your skill level and access to tools, it is possible to fix a P1805 code at home by following a repair manual or online guides. However, professional help may be necessary for complex repairs.

7. Is it safe to continue driving with a P1805 code on a 2006 Infiniti G35?

It is not recommended to drive with a P1805 code as it can affect critical safety functions like shifting out of park and brake light operation. Immediate attention is advised.

8. Will a P1805 code on a 2006 Infiniti G35 affect the vehicle's performance?

While the P1805 code may not directly impact the engine's performance, it can hinder certain essential functions like shifting gears and brake light operation.

9. How much does it typically cost to repair a P1805 code on a 2006 Infiniti G35?

The cost of repairing a P1805 code can vary depending on the cause of the issue, parts needed, and labor costs. It's advisable to obtain quotes from different mechanics or repair shops.

10. Are there any preventive measures to avoid a P1805 code on a 2006 Infiniti G35?

Regularly inspecting the Stop Lamp Switch, checking the brake light operation, and addressing any issues promptly can help prevent the occurrence of a P1805 code.