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Engine-Codes – Hyundai – P1708 Hyundai

P1708 Hyundai Code - Accelerator Switch

Quick Answer

The P1708 Hyundai code refers to an issue with the accelerator switch in the vehicle. Common causes include Faulty accelerator switch, Wiring issues, ECM malfunction. 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
P1708 Hyundai indicates Accelerator Switch.
Common causes
Common causes include Faulty accelerator switch, Wiring issues, ECM malfunction.
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 P1708 Hyundai Description

The P1708 Hyundai code refers to an issue with the accelerator switch in the vehicle. The accelerator switch is a crucial component that communicates the position of the accelerator pedal to the engine control module (ECM). This information is used by the ECM to adjust the fuel and air mixture in the engine, thereby controlling the vehicle's speed and performance. When this switch malfunctions, it can lead to various problems with the vehicle's drivability and performance.

OBDII Code P1708 Hyundai - Accelerator Switch
P1708 Hyundai Code - Accelerator Switch

Common Causes of P1708 Hyundai

  1. Faulty accelerator switch
  2. Wiring issues
  3. ECM malfunction
  4. Corrosion or damage to electrical connections
  5. Environmental factors such as moisture or heat affecting the switch

Symptoms of P1708 Hyundai

  1. Delayed response when pressing the accelerator pedal
  2. Sluggish acceleration
  3. Engine misfires
  4. Vehicle going into limp mode
  5. Poor engine performance

How to Fix P1708 Hyundai

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the trouble code and perform further testing if needed.
  2. Inspect the accelerator switch, wiring, and electrical connections for any signs of damage or corrosion. Replace any faulty components.
  3. Reset the ECM to clear the trouble code and see if the issue persists. Perform a test drive to confirm that the problem has been resolved.
  4. If the problem persists, consider seeking professional help to further diagnose and repair any underlying issues with the ECM or other components.

Cost to Fix P1708 Hyundai

The typical repair costs for addressing the P1708 Hyundai code can range from $150 to $500, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes both parts and labor. However, it's essential to note that the actual cost may vary based on factors such as location, vehicle make and model, and the expertise of the auto repair shop. It's advisable to check local rates and obtain quotes from multiple shops to ensure a fair price for 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 P1708 Hyundai Code

1. What does the OBDII code P1708 mean for a Hyundai?

P1708 indicates an issue with the accelerator switch, which may affect throttle response or communication between the accelerator pedal and the engine control module (ECM).

2. What are the common symptoms of code P1708 in a Hyundai?

Symptoms include poor throttle response, reduced engine performance, erratic acceleration, or the vehicle going into limp mode.

3. What causes the P1708 code to appear?

Common causes include a faulty accelerator pedal position sensor, damaged wiring or connectors, or an issue with the vehicle's ECM.

4. Can I drive my Hyundai with the P1708 code?

While the vehicle may still be drivable, it could experience reduced performance or unsafe acceleration behavior. It’s best to have it inspected promptly.

5. How do I fix the P1708 code in a Hyundai?

Repairs typically involve inspecting and replacing the accelerator pedal position sensor, fixing damaged wiring, or reprogramming the ECM if necessary.

6. How do I diagnose the P1708 code in my Hyundai?

Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting the accelerator pedal assembly and wiring, and testing sensor and ECM functionality.

7. Is the accelerator pedal position sensor the only cause of P1708?

No, the issue could also stem from wiring problems, connector issues, or a malfunctioning ECM.

8. How much does it cost to repair code P1708 in a Hyundai?

Repair costs vary, but accelerator pedal position sensor replacement typically ranges from $150 to $400, depending on parts and labor.

9. Can a dirty throttle body cause the P1708 code in a Hyundai?

A dirty throttle body is unlikely to directly cause a P1708 code, but it can contribute to throttle-related issues that may exacerbate the problem.

10. Do I need to reprogram the ECM after fixing the P1708 code?

In some cases, reprogramming or resetting the ECM may be required if the issue was related to software or calibration errors.

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