AutoCodes – Hyundai – P1155 Hyundai

P1155 Hyundai Code - ETS Limp Home Valve

Quick Answer

P1155 Hyundai indicates ETS Limp Home Valve. Common causes include Faulty Throttle Motor, Throttle Motor harness is open or shorted, Throttle Motor 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: P1155 Hyundai indicates ETS Limp Home Valve.
Common causes: Common causes include Faulty Throttle Motor, Throttle Motor harness is open or shorted, Throttle Motor 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 16,606

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 03, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1155 Hyundai Description

OBDII Code P1155 Hyundai - ETS Limp Home Valve - AutoCodes.com — P1155 Hyundai Code - ETS Limp Home Valve

What does this mean?

What are the Possible Causes of the DTC P1155 Hyundai?

Faulty Throttle Motor
Throttle Motor harness is open or shorted
Throttle Motor circuit poor electrical connection

How to Fix the DTC P1155 Hyundai?

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 P1155 Hyundai 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 P1155 Hyundai 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 P1155 Hyundai Code

1. What is OBDII code P1155 on a Hyundai related to the ETS Limp Home Valve?

This code typically indicates a fault with the Electronic Throttle System (ETS) Limp Home Valve in a Hyundai vehicle.

2. What are the common symptoms of a P1155 error code in a Hyundai?

Common symptoms include reduced engine power, the vehicle entering "limp mode," rough idling, and potential stalling.

3. What are some possible causes of the P1155 code in a Hyundai?

Possible causes include a faulty ETS Limp Home Valve, wiring issues, a malfunctioning throttle position sensor, or a problem with the electronic throttle control system.

4. How can I diagnose the P1155 code on my Hyundai?

Diagnosis typically involves using an OBDII scanner to read the code and then performing a visual inspection of the ETS Limp Home Valve and related components for any obvious signs of damage.

5. Can I drive my Hyundai with a P1155 error code?

It is not recommended to drive your Hyundai with a P1155 code, as it can lead to reduced engine power and potential safety hazards. It is best to address the issue promptly.

6. How can I repair a P1155 error code on my Hyundai?

Repair options may include replacing the ETS Limp Home Valve, repairing any damaged wiring, or addressing any underlying issues with the throttle control system.

7. Is it possible to reset the P1155 code on my Hyundai without repairs?

While clearing the code with an OBDII scanner may temporarily remove the warning light, the underlying issue causing the code will persist until properly addressed.

8. Can a DIY enthusiast fix a P1155 error code on a Hyundai?

Depending on your skills and access to tools, some DIY enthusiasts may be able to address a P1155 code by replacing the ETS Limp Home Valve or addressing wiring issues.

9. How much does it cost to repair a P1155 error code on a Hyundai at a mechanic?

The cost of repairs can vary depending on the exact cause of the P1155 code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How often does the ETS Limp Home Valve need to be replaced in a Hyundai?

The ETS Limp Home Valve typically does not need frequent replacement unless it fails due to a specific issue. Regular maintenance and prompt repairs can help prevent premature failure.