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Engine-Codes – Hyundai – P1702 Hyundai

P1702 Hyundai Code - Throttle Position Sensor Malfunction Adjustment

Quick Answer

The P1702 code for Hyundai vehicles indicates a Throttle Position Sensor (TPS) malfunction or adjustment issue. Common causes include TPS wear or damage, Faulty electrical connections in the sensor circuit, Improper TPS adjustment. 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
P1702 Hyundai indicates Throttle Position Sensor Malfunction Adjustment.
Common causes
Common causes include TPS wear or damage, Faulty electrical connections in the sensor circuit, Improper TPS adjustment.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1702 Hyundai Description

The P1702 code for Hyundai vehicles indicates a Throttle Position Sensor (TPS) malfunction or adjustment issue. The TPS is a crucial component of the electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending that information to the engine control module (ECM). This data helps the ECM determine the appropriate amount of air and fuel to deliver to the engine for optimal performance and efficiency.

OBDII Code P1702 Hyundai - Throttle Position Sensor Malfunction Adjustment
P1702 Hyundai Code - Throttle Position Sensor Malfunction Adjustment

Common Causes of P1702 Hyundai

  1. TPS wear or damage
  2. Faulty electrical connections in the sensor circuit
  3. Improper TPS adjustment
  4. Corrosion or contamination in the TPS sensor

Symptoms of P1702 Hyundai

  1. Erratic idling or engine stalling
  2. Hesitation or surging during acceleration
  3. Poor fuel efficiency
  4. Transmission shifting issues
  5. Illumination of the Check Engine Light

How to Fix P1702 Hyundai

  1. Use an OBD-II scanner to confirm the P1702 code and pinpoint the exact TPS issue.
  2. Inspect the TPS for wear, damage, or contamination, and replace if necessary.
  3. Check the electrical connections and wiring for any faults or corrosion, repairing or replacing as needed.
  4. Adjust the TPS position according to manufacturer specifications to ensure proper alignment and functionality.
  5. Clear the error code from the ECM and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1702 Hyundai

The typical repair costs for a Throttle Position Sensor malfunction adjustment can range from $100 to $300, including parts and labor. However, prices may vary depending on the specific vehicle make and model, as well as the location and labor rates of the auto repair shop. It's advisable to consult with a trusted mechanic or dealership to get an accurate estimate for this repair. Keep in mind that diagnostic time and labor rates can also impact the final cost of the repair.

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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 P1702 Hyundai Code

1. What does the OBDII code P1702 mean on a Hyundai?

P1702 indicates a Throttle Position Sensor (TPS) Malfunction Adjustment, meaning the TPS signal is out of range or not calibrated properly.

2. What are the common symptoms of code P1702 in a Hyundai?

Symptoms may include poor acceleration, engine hesitation, rough idling, reduced fuel efficiency, or the check engine light being illuminated.

3. What causes the P1702 code in a Hyundai?

The most common causes are a faulty throttle position sensor, wiring issues, poor electrical connections, or improper TPS adjustment.

4. Can a dirty throttle body trigger the P1702 code?

Yes, a dirty or clogged throttle body can interfere with the throttle position sensor's performance and trigger this code.

5. How is the P1702 code diagnosed?

A mechanic will use an OBDII scanner to confirm the code, inspect the throttle position sensor, check for wiring damage, and test the TPS signal with a multimeter.

6. Can I drive my Hyundai with the P1702 code?

Driving with this code is not recommended as it can lead to poor engine performance and potential safety issues, such as unexpected acceleration or stalling.

7. How do I fix the P1702 code on a Hyundai?

Common fixes include replacing the throttle position sensor, cleaning the throttle body, repairing damaged wiring, or recalibrating the TPS.

8. Does the P1702 code require a software update?

In some cases, a software update to the engine control module (ECM) may be needed to resolve calibration issues after other repairs.

9. What tools are needed to repair a P1702 code?

You may need an OBDII scanner, multimeter, basic hand tools, and possibly manufacturer-specific software for TPS recalibration.

10. How much does it cost to repair the P1702 code on a Hyundai?

Repair costs vary but typically range from $100 to $400, depending on whether the issue is with the sensor, wiring, or throttle body.

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