AutoCodes – Infiniti – B2605 Infiniti

B2605 Infiniti Code - Park/Neutral Position Switch

Quick Answer

The Body Control Module (BCM) confirms the shift position with the following 4 signals: CVT selector lever, Park/Neutral Position (PNP) Switch, P position signal from Intelligent Power Distribution Module Engine Room (IPDM E/R)(CAN), P position signal from Transmission Control Module (TCM) (CAN). Common causes include Faulty Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position 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: B2605 Infiniti indicates Park/Neutral Position Switch.
Common causes: Common causes include Faulty Park/Neutral Position Switch, Park/Neutral Position Switch harness is open or shorted, Park/Neutral Position 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 2,006

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2605 Infiniti Description

The Body Control Module (BCM) confirms the shift position with the following 4 signals: CVT selector lever, Park/Neutral Position (PNP) Switch, P position signal from Intelligent Power Distribution Module Engine Room (IPDM E/R)(CAN), P position signal from Transmission Control Module (TCM) (CAN). The Diagnostic Trouble Code (DTC) sets when the BCM detects the following status for 500 ms or more when the ignition switch is in ON position N position input signal exists. Shift position signal from IPDM E/R does not exist and N position input signal does not exist. Shift position signal from IPDM E/R exists.

OBDII Code B2605 Infiniti - Park/Neutral Position Switch - AutoCodes.com — B2605 Infiniti Code - Park/Neutral Position Switch

What does this mean?

What are the Possible Causes of the DTC B2605 Infiniti?

Faulty Park/Neutral Position Switch
Park/Neutral Position Switch harness is open or shorted
Park/Neutral Position Switch circuit poor electrical connection
Faulty Intelligent Power Distribution Module Engine Room (IPDM E/R)

How to Fix the DTC B2605 Infiniti?

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 B2605 Infiniti 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 B2605 Infiniti code?

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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 B2605 Infiniti Code

1. What are the common symptoms of OBDII code B2605 in an Infiniti related to the Park/Neutral Position Switch?

- The common symptoms include difficulty starting the vehicle, the engine not turning over, and the inability to shift out of Park.

2. What can cause the OBDII code B2605 in an Infiniti related to the Park/Neutral Position Switch?

- The code B2605 is typically triggered by a faulty Park/Neutral Position Switch, which may be caused by wear and tear, electrical issues, or mechanical failures.

3. How can I diagnose the Park/Neutral Position Switch issue triggering OBDII code B2605 in my Infiniti?

- Diagnosing the issue involves using a scan tool to read the OBDII codes, checking the wiring and connections to the switch, and testing the switch for proper functionality.

4. Can I drive my Infiniti with OBDII code B2605 related to the Park/Neutral Position Switch?

- It is not recommended to drive your vehicle with this code as it can lead to safety issues and potential further damage to the transmission or starter system.

5. What are the repair options for fixing OBDII code B2605 in an Infiniti due to the Park/Neutral Position Switch issue?

- The repair options include replacing the faulty Park/Neutral Position Switch, repairing any damaged wiring or connections, and clearing the OBDII codes.

6. How much does it typically cost to repair OBDII code B2605 in an Infiniti related to the Park/Neutral Position Switch?

- The cost of repair can vary depending on the extent of the issue, but generally, replacing the Park/Neutral Position Switch can range from $100 to $300 including parts and labor.

7. Are there any preventive maintenance tips to avoid OBDII code B2605 related to the Park/Neutral Position Switch in my Infiniti?

- Regularly inspecting and maintaining the Park/Neutral Position Switch, as well as addressing any related electrical issues promptly, can help prevent the occurrence of this OBDII code.

8. Can a DIY enthusiast replace the Park/Neutral Position Switch triggering OBDII code B2605 in an Infiniti?

- While it is possible to replace the Park/Neutral Position Switch yourself, it is recommended to have the necessary knowledge and tools to ensure proper installation and functionality.

9. Will resetting the OBDII codes clear B2605 related to the Park/Neutral Position Switch in my Infiniti?

- Resetting the OBDII codes may temporarily clear the code, but it will reappear if the underlying issue with the Park/Neutral Position Switch is not addressed and resolved.

10. Is it necessary to visit a dealership or a specialized mechanic to repair OBDII code B2605 related to the Park/Neutral Position Switch in my Infiniti?

- While visiting a dealership or a specialized mechanic is recommended for complex issues, a skilled independent mechanic with experience in electrical systems can also effectively diagnose and repair the problem.