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P1814 Infiniti Code - Wait Detection Switch

Quick Answer

The P1814 code for Infiniti vehicles refers to an issue with the Wait Detection Switch. Common causes include Faulty Wait Detection Switch, Electrical issues such as a blown fuse or wiring problem, Malfunctioning transmission control module. 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
P1814 Infiniti indicates Wait Detection Switch.
Common causes
Common causes include Faulty Wait Detection Switch, Electrical issues such as a blown fuse or wiring problem, Malfunctioning transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1814 Infiniti Description

The P1814 code for Infiniti vehicles refers to an issue with the Wait Detection Switch. This switch is an important component in the vehicle's transmission system, specifically in automatic transmissions. The Wait Detection Switch is responsible for detecting when the driver shifts the transmission from Park to Drive or Reverse, and it plays a crucial role in ensuring smooth and efficient gear changes.

OBDII Code P1814 Infiniti - Wait Detection Switch
P1814 Infiniti Code - Wait Detection Switch

Common Causes of P1814 Infiniti

  1. Faulty Wait Detection Switch
  2. Electrical issues such as a blown fuse or wiring problem
  3. Malfunctioning transmission control module
  4. Mechanical issues within the transmission
  5. Wear and tear on transmission components

Symptoms of P1814 Infiniti

  1. Delayed or rough shifting when changing gears
  2. Inability to shift out of Park
  3. Transmission slipping or jerking
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P1814 Infiniti

  1. Diagnose the issue using a diagnostic scanner to retrieve the specific trouble code and pinpoint the cause of the problem.
  2. Inspect the Wait Detection Switch and associated wiring for any signs of damage or wear.
  3. Test the switch for proper functionality and replace it if necessary.
  4. Clear the trouble code from the vehicle's computer system and reset the transmission adaptations.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning properly.

Cost to Fix P1814 Infiniti

The cost of repairing the P1814 code on an Infiniti vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing the Wait Detection Switch and addressing any associated issues may cost between $200 and $500, including parts and labor. Additional costs may apply if there are other underlying problems with the transmission system that need to be addressed.

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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 P1814 Infiniti Code

1. What does the OBDII code P1814 mean on an Infiniti?

The P1814 code indicates an issue with the Wait Detection Switch, which monitors the position of the shift lever in the transmission system.

2. What are the symptoms of the P1814 code in an Infiniti?

Common symptoms include the transmission not shifting correctly, the vehicle stuck in one gear, or the check engine light being illuminated.

3. What causes the P1814 code on an Infiniti?

The most common causes are a faulty Wait Detection Switch, damaged wiring or connectors, or issues within the transmission control module (TCM).

4. Can I drive my Infiniti with a P1814 code?

While the vehicle may still operate, driving with a P1814 code can lead to poor transmission performance and potential long-term damage if not addressed promptly.

5. How is the P1814 code diagnosed?

A technician will use a scan tool to check the code, inspect the Wait Detection Switch and its wiring, and test the transmission system for proper operation.

6. How do I fix the P1814 code on my Infiniti?

Repairs may include replacing the Wait Detection Switch, repairing damaged wiring or connectors, or reprogramming or replacing the transmission control module.

7. What is the Wait Detection Switch?

The Wait Detection Switch is a sensor in the transmission that helps monitor the shift lever's position to ensure proper gear engagement.

8. How much does it cost to fix the P1814 code on an Infiniti?

Repair costs can vary but typically range from $150 to $500, depending on whether the issue is with the switch, wiring, or TCM.

9. Can a faulty Wait Detection Switch damage the transmission?

If left unresolved, a faulty switch can cause improper shifting and increased wear on the transmission, potentially leading to more severe damage.

10. Is the P1814 code common in Infiniti vehicles?

The P1814 code is not very common but can occur in Infiniti models with automatic transmissions if there are issues with the Wait Detection Switch.

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