AutoCodes – Nissan – P1808 Nissan

P1808 Nissan 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 Nissan 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 44,096

How popular is this code, among other codes? Medium

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 Nissan 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 Nissan - Vehicle Speed Sensor ABS - AutoCodes.com — P1808 Nissan Code - Vehicle Speed Sensor ABS

What does this mean?

What are the Possible Causes of the DTC P1808 Nissan?

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 Nissan?

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 Nissan 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.

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

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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 Nissan Code

1. What are common symptoms of OBDII code P1808 (Nissan) related to the Vehicle Speed Sensor ABS?

- Common symptoms include ABS warning light illuminated on the dashboard, issues with the speedometer accuracy, and potential ABS system malfunctions.

2. What are possible causes of OBDII code P1808 (Nissan) for the Vehicle Speed Sensor ABS?

- Possible causes include a faulty vehicle speed sensor, damaged wiring or connectors in the ABS system, or issues with the ABS control module.

3. How can I diagnose OBDII code P1808 (Nissan) for the Vehicle Speed Sensor ABS?

- Diagnosis involves using an OBDII scanner to retrieve the specific fault code, conducting a visual inspection of the sensor and related components, and testing the sensor's voltage output.

4. Can a faulty Vehicle Speed Sensor ABS affect the overall drivability of the vehicle?

- Yes, a faulty Vehicle Speed Sensor ABS can impact the vehicle's drivability by causing issues with the ABS system functionality and potentially affecting the transmission shifting.

5. Is it safe to continue driving with OBDII code P1808 (Nissan) triggered by the Vehicle Speed Sensor ABS issue?

- It is not recommended to continue driving with this code triggered, as it can compromise the effectiveness of the ABS system, leading to potential safety risks during braking.

6. How can I repair OBDII code P1808 (Nissan) related to the Vehicle Speed Sensor ABS?

- Repair involves replacing the faulty vehicle speed sensor, repairing any damaged wiring or connectors, and resetting the fault code using an OBDII scanner.

7. Are there any preventative maintenance tips to avoid triggering OBDII code P1808 (Nissan) for the Vehicle Speed Sensor ABS?

- Regularly inspecting and maintaining the ABS system components, such as the vehicle speed sensor and wiring, can help prevent issues that may trigger this fault code.

8. Can weather conditions impact the triggering of OBDII code P1808 (Nissan) for the Vehicle Speed Sensor ABS?

- Extreme weather conditions, such as excessive heat or moisture, can potentially affect the performance of the vehicle speed sensor and contribute to triggering this fault code.

9. How long does it typically take to repair OBDII code P1808 (Nissan) caused by the Vehicle Speed Sensor ABS issue?

- The repair time can vary depending on the exact cause of the issue and the availability of replacement parts, but it generally takes a few hours to complete the repair.

10. Is it necessary to visit a mechanic to repair OBDII code P1808 (Nissan) related to the Vehicle Speed Sensor ABS, or can it be done at home?

- While some DIY enthusiasts may be able to replace the vehicle speed sensor themselves, it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair of this issue.