AutoCodes – Infiniti – P1808 Infiniti

P1808 Infiniti Code - Vehicle Speed Sensor ABS

Quick Answer

The ABS actuator and electric unit (control unit) transmits a vehicle speed signal via CAN communication to the transfer control unit. Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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: P1808 Infiniti indicates Vehicle Speed Sensor ABS.
Common causes: Common causes include Faulty ABS Actuator And Electric Unit, ABS Actuator And Electric Unit harness is open or shorted, ABS Actuator And Electric Unit 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 4,325

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 Sep 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1808 Infiniti Description

The ABS actuator and electric unit (control unit) transmits a vehicle speed signal via CAN communication to the transfer control unit. DTC P1808 sets when a malfunction is detected in the vehicle speed signal that is output from the ABS actuator and electric unit (control unit) or an improper signal is input while driving.

OBDII Code P1808 Infiniti - Vehicle Speed Sensor ABS - AutoCodes.com — P1808 Infiniti Code - Vehicle Speed Sensor ABS

What does this mean?

What are the Possible Causes of the DTC P1808 Infiniti?

Faulty ABS Actuator And Electric Unit
ABS Actuator And Electric Unit harness is open or shorted
ABS Actuator And Electric Unit circuit poor electrical connection

How to Fix the DTC P1808 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 P1808 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 P1808 Infiniti 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 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.