Engine-CodesInfiniti – P1808 Infiniti

P1808 Infiniti Code - Vehicle Speed Sensor ABS

Quick Answer

The P1808 diagnostic trouble code for Infiniti vehicles specifically refers to an issue with the Vehicle Speed Sensor (VSS) in the Anti-Lock Braking System (ABS). Common causes include Damaged or corroded wiring connecting the VSS, Faulty Vehicle Speed Sensor, ABS control module malfunction. 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
P1808 Infiniti indicates Vehicle Speed Sensor ABS.
Common causes
Common causes include Damaged or corroded wiring connecting the VSS, Faulty Vehicle Speed Sensor, ABS control module malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1808 Infiniti Description

The P1808 diagnostic trouble code for Infiniti vehicles specifically refers to an issue with the Vehicle Speed Sensor (VSS) in the Anti-Lock Braking System (ABS). The VSS is a critical component that monitors the speed of the vehicle and sends this information to the ABS system for proper operation. When this sensor malfunctions, it can have a significant impact on the vehicle's performance and safety.

OBDII Code P1808 Infiniti - Vehicle Speed Sensor ABS
P1808 Infiniti Code - Vehicle Speed Sensor ABS

Common Causes of P1808 Infiniti

  1. Damaged or corroded wiring connecting the VSS
  2. Faulty Vehicle Speed Sensor
  3. ABS control module malfunction
  4. Issues with the VSS circuit
  5. Electronic control unit (ECU) failure

Symptoms of P1808 Infiniti

  1. ABS warning light illuminated on the dashboard
  2. Inaccurate speedometer readings
  3. Traction control system not functioning properly
  4. Harsh shifting of the transmission
  5. Loss of cruise control functionality

How to Fix P1808 Infiniti

  1. Diagnose the issue by using a scan tool to retrieve the specific trouble code and inspecting the VSS and related components for any visible damage.
  2. Replace the Vehicle Speed Sensor if it is found to be faulty or damaged.
  3. Check and repair any damaged wiring or connections in the VSS circuit.
  4. Reset the ABS system and clear the trouble code from the vehicle's computer.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the ABS system is functioning properly.

Cost to Fix P1808 Infiniti

The typical repair costs for addressing a P1808 code related to the Vehicle Speed Sensor in an Infiniti vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it's recommended to obtain quotes from multiple shops to ensure you receive a fair price. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

Need more information about the P1808 Infiniti code?

Need more information on how to fix the P1808 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1808 Infiniti code diagnosed by a professional: Find a repair shop in your area

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 P1808 Infiniti Code

What does the OBDII code P1808 mean on an Infiniti vehicle?

1. The P1808 code indicates an issue with the Vehicle Speed Sensor (VSS) or its communication with the Anti-lock Braking System (ABS). 2.

What are the common symptoms of the P1808 code in an Infiniti?

Symptoms may include erratic speedometer readings, ABS warning light activation, poor acceleration, or transmission shifting issues. 3.

What causes the P1808 Vehicle Speed Sensor ABS code to appear?

Common causes include a faulty vehicle speed sensor, damaged wiring or connectors, a malfunctioning ABS module, or software issues in the ECU. 4.

Can I drive my Infiniti with the P1808 code active?

While the car may still be drivable, it is not recommended as it may affect braking performance, speedometer accuracy, and transmission shifting. 5.

How do I diagnose the P1808 code on an Infiniti?

Diagnosis involves scanning for additional codes, inspecting the VSS and its wiring, checking the ABS module, and performing continuity tests on the sensor circuit. 6.

How can I fix the P1808 code on my Infiniti?

Repairs may include replacing the faulty speed sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming the ECU if necessary. 7.

How much does it cost to repair the P1808 code on an Infiniti?

Depending on the issue, repair costs can range from $100 to $400, with sensor replacement being the most common fix. 8.

Can a bad ABS module trigger the P1808 code?

Yes, a malfunctioning ABS module can cause the P1808 code by failing to properly process the speed sensor signal. 9.

Will clearing the P1808 code fix the problem permanently?

No, clearing the code will only remove it temporarily. The underlying issue must be resolved to prevent the code from returning. 10.

How often do Vehicle Speed Sensors fail on Infiniti vehicles?

Speed sensors can fail over time due to wear, exposure to harsh conditions, or electrical issues, but their lifespan is typically several years under normal conditions.

Discuss the causes and fixes for P1808 Infiniti OBDII Code

Code P1808 Infiniti comments

No comments found for this page.