AutoCodesHyundai – P1173 Hyundai

P1173 Hyundai Code - Electronic Throttle System Rationality Malfunction

Quick Answer

P1173 Hyundai indicates Electronic Throttle System Rationality Malfunction. Common causes include Faulty Electronic Throttle Body, Electronic Throttle Body harness is open or shorted, Electronic Throttle Body 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
P1173 Hyundai indicates Electronic Throttle System Rationality Malfunction.
Common causes
Common causes include Faulty Electronic Throttle Body, Electronic Throttle Body harness is open or shorted, Electronic Throttle Body 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 8,635
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 16, 2019
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Code P1173 Hyundai Description

OBDII Code P1173 Hyundai - Electronic Throttle System Rationality Malfunction - AutoCodes.com
P1173 Hyundai Code - Electronic Throttle System Rationality Malfunction

What are the Possible Causes of the DTC P1173 Hyundai?

  • Faulty Electronic Throttle Body
  • Electronic Throttle Body harness is open or shorted
  • Electronic Throttle Body circuit poor electrical connection
  • Stuck open Electronic Throttle Body

How to Fix the DTC P1173 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 P1173 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 P1173 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 P1173 Hyundai Code

What does the OBDII code P1173 mean for a Hyundai vehicle?

Code P1173 indicates an issue with the Electronic Throttle System Rationality, meaning the throttle system isn't operating as expected based on sensor inputs.

What are common symptoms of P1173 in Hyundai vehicles?

Symptoms include poor acceleration, reduced engine performance, hesitation during driving, and possibly the illumination of the check engine light.

What causes the P1173 code to appear in a Hyundai?

Common causes include a faulty throttle position sensor (TPS), damaged wiring or connectors, issues with the electronic throttle body, or problems in the engine control module (ECM).

Can a dirty throttle body cause the P1173 code?

Yes, a dirty or clogged throttle body can disrupt airflow and sensor readings, potentially triggering the P1173 code.

Is it safe to drive with the P1173 code active?

Driving with this code may lead to reduced throttle response or further damage to electronic components, so it’s best to address the issue promptly.

How can you diagnose the P1173 code on a Hyundai?

Diagnosis involves using an OBDII scanner to read live data, inspecting the throttle body, testing the throttle position sensor, and checking for damaged wiring or connectors.

Can resetting the ECU fix the P1173 code?

Resetting the ECU may clear the code temporarily, but if the underlying issue isn't addressed, the code is likely to return.

How much does it cost to repair a P1173 code on a Hyundai?

Repair costs vary depending on the cause but may range from $100 for cleaning the throttle body to $500 or more for replacing parts like the throttle position sensor or throttle body.

What tools are needed to fix the P1173 code?

Common tools include an OBDII scanner, multimeter for testing electrical components, and basic hand tools for accessing and cleaning the throttle body.

Should the throttle body always be replaced for a P1173 code?

Not necessarily; cleaning the throttle body or repairing wiring may resolve the issue without requiring replacement.

Discuss the causes and fixes for P1173 Hyundai OBDII Code

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