AutoCodes – Land Rover – P1591 Land Rover

P1591 Land Rover Code - Antilock Brake System Rough Road Signal Short Circuit To Ground Open Circuit

Quick Answer

P1591 Land Rover indicates Antilock Brake System Rough Road Signal Short Circuit To Ground Open Circuit. Common causes include Faulty Anti-lock Brake System (ABS) Control Unit, Anti-lock Brake System Control Unit harness is open or shorted, Anti-lock Brake System Control 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
P1591 Land Rover indicates Antilock Brake System Rough Road Signal Short Circuit To Ground Open Circuit.
Common causes
Common causes include Faulty Anti-lock Brake System (ABS) Control Unit, Anti-lock Brake System Control Unit harness is open or shorted, Anti-lock Brake System Control 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,263
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 18, 2020
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Code P1591 Land Rover Description

OBDII Code P1591 Land Rover - Antilock Brake System Rough Road Signal Short Circuit To Ground Open Circuit - AutoCodes.com
P1591 Land Rover Code - Antilock Brake System Rough Road Signal Short Circuit To Ground Open Circuit

What are the Possible Causes of the DTC P1591 Land Rover?

  • Faulty Anti-lock Brake System (ABS) Control Unit
  • Anti-lock Brake System Control Unit harness is open or shorted
  • Anti-lock Brake System Control Unit circuit poor electrical connection

How to Fix the DTC P1591 Land Rover?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1591 Land Rover 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 P1591 Land Rover 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 P1591 Land Rover Code

1. What are common symptoms of OBDII code P1591 in a Land Rover related to the Antilock Brake System Rough Road Signal Short Circuit?

Symptoms may include the ABS warning light illuminating on the dashboard, loss of traction control functionality, and potential issues with the vehicle's stability on rough roads.

2. What are the possible causes of OBDII code P1591 in a Land Rover for the Antilock Brake System Rough Road Signal Short Circuit?

Potential causes include a short circuit to ground or an open circuit in the wiring related to the rough road signal, faulty ABS sensors, or a malfunction in the ABS module.

3. How can I diagnose the Antilock Brake System Rough Road Signal Short Circuit issue causing OBDII code P1591 in my Land Rover?

Diagnosis typically involves inspecting the ABS wiring harness for any visible damage, testing the ABS sensors for proper functionality, and using a diagnostic scanner to read the specific fault codes stored in the ABS system.

4. Can driving with OBDII code P1591 related to the Antilock Brake System Rough Road Signal Short Circuit cause further damage to my Land Rover?

Continued driving with this issue may lead to compromised ABS performance, potentially affecting the vehicle's ability to maintain stability and traction control on rough roads.

5. How can I repair OBDII code P1591 in my Land Rover due to the Antilock Brake System Rough Road Signal Short Circuit?

Repair options may include repairing or replacing damaged wiring, replacing faulty ABS sensors, or addressing any issues with the ABS module. It is recommended to consult a professional mechanic for a thorough diagnosis and repair.

6. Is it safe to drive my Land Rover with the ABS warning light on due to OBDII code P1591?

Driving with the ABS warning light on should be done with caution as it indicates a potential issue with the ABS system, which may affect the vehicle's braking performance and stability, especially on rough roads.

7. Are there any temporary fixes or workarounds for OBDII code P1591 related to the Antilock Brake System Rough Road Signal Short Circuit in my Land Rover?

Temporary fixes are not recommended for ABS-related issues, as they can compromise the safety and performance of the vehicle. It is best to address the root cause of the problem with a proper repair.

8. How long does it typically take to repair OBDII code P1591 in a Land Rover caused by the Antilock Brake System Rough Road Signal Short Circuit?

The repair time can vary depending on the specific cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem, especially if wiring repairs or sensor replacements are needed.

9. Will resetting the OBDII code P1591 in my Land Rover related to the Antilock Brake System Rough Road Signal Short Circuit make the problem go away?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the fault code. It is essential to address the root cause of the problem to prevent further complications.

10. Can extreme weather conditions affect the occurrence of OBDII code P1591 related to the Antilock Brake System Rough Road Signal Short Circuit in my Land Rover?

Extreme weather conditions, such as heavy rain or snow, can potentially exacerbate issues with the ABS system, including the rough road signal circuit. It is important to keep the vehicle well-maintained to prevent weather-related problems.

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