AutoCodes – Land Rover – P1553 Land Rover

P1553 Land Rover Code - Idle Air Control Valve Closing Circuit

Quick Answer

P1553 Land Rover indicates Idle Air Control Valve Closing Circuit. Common causes include Faulty Idle Air Control (IAC) Valve, Idle Air Control (IAC) Valve harness is open or shorted, Idle Air Control (IAC) Valve 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: P1553 Land Rover indicates Idle Air Control Valve Closing Circuit.
Common causes: Common causes include Faulty Idle Air Control (IAC) Valve, Idle Air Control (IAC) Valve harness is open or shorted, Idle Air Control (IAC) Valve 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 2,444

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1553 Land Rover Description

OBDII Code P1553 Land Rover - Idle Air Control Valve Closing Circuit - AutoCodes.com — P1553 Land Rover Code - Idle Air Control Valve Closing Circuit

What does this mean?

What are the Possible Causes of the DTC P1553 Land Rover?

Faulty Idle Air Control (IAC) Valve
Idle Air Control (IAC) Valve harness is open or shorted
Idle Air Control (IAC) Valve circuit poor electrical connection

How to Fix the DTC P1553 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1553 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 P1553 Land Rover code?

Need more information on how to fix the P1553 Land Rover 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 P1553 Land Rover Code

1. What are the common symptoms of OBDII code P1553 in a Land Rover related to the Idle Air Control Valve Closing Circuit?

The common symptoms include rough idling, stalling at idle, poor acceleration, and potentially an illuminated Check Engine Light.

2. What are the possible causes of OBDII code P1553 in a Land Rover?

Possible causes include a faulty idle air control valve, damaged wiring or connectors in the circuit, vacuum leaks, or a problem with the vehicle's computer system.

3. How can I diagnose the issue related to OBDII code P1553 in my Land Rover?

A diagnostic scan tool can help identify the specific issue causing the code. Additionally, inspecting the idle air control valve and its wiring for any visible damage can provide further insight.

4. Can I drive my Land Rover with OBDII code P1553 without getting it repaired immediately?

It is not recommended to continue driving with this code as it can lead to poor engine performance and potential further damage. It's best to address the issue promptly.

5. How can I repair OBDII code P1553 in my Land Rover related to the Idle Air Control Valve Closing Circuit?

Repair options may include replacing the idle air control valve, repairing or replacing damaged wiring or connectors, addressing any vacuum leaks, or resetting the vehicle's computer system.

6. What are some tips for preventing OBDII code P1553 from reoccurring in my Land Rover?

Regularly maintaining your vehicle, ensuring proper engine tuning, and addressing any issues related to the idle air control system promptly can help prevent this code from returning.

7. Can a DIY enthusiast repair OBDII code P1553 in a Land Rover, or is it better left to professional mechanics?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this issue themselves. However, if you're unsure or inexperienced, it's recommended to seek help from a professional mechanic.

8. How long does it typically take to repair OBDII code P1553 in a Land Rover?

The repair time can vary based on the specific cause of the code and the complexity of the repair needed. In general, it may take a few hours to a full day to diagnose and fix the issue.

9. Are there any recalls or technical service bulletins related to OBDII code P1553 in Land Rover vehicles?

It's always a good idea to check with your local Land Rover dealership or the manufacturer's website to see if there are any recalls or technical service bulletins related to this specific OBDII code in your vehicle.

10. Is it safe to continue driving my Land Rover if I only experience intermittent symptoms related to OBDII code P1553?

While intermittent symptoms may not always indicate a severe issue, it's still recommended to address the problem promptly to prevent any potential long-term damage to your vehicle's engine or components.