P1704 Hyundai Code - Throttle Position Sensor High Input
Quick Answer
P1704 Hyundai indicates Throttle Position Sensor High Input. Common causes include Faulty Throttle Position Sensor (TPS), Throttle Position Sensor (TPS) harness is open or shorted, Throttle Position Sensor (TPS) 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
- P1704 Hyundai indicates Throttle Position Sensor High Input.
- Common causes
- Common causes include Faulty Throttle Position Sensor (TPS), Throttle Position Sensor (TPS) harness is open or shorted, Throttle Position Sensor (TPS) 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.
Code P1704 Hyundai Description
What are the Possible Causes of the DTC P1704 Hyundai?
- Faulty Throttle Position Sensor (TPS)
- Throttle Position Sensor (TPS) harness is open or shorted
- Throttle Position Sensor (TPS) circuit poor electrical connection
How to Fix the DTC P1704 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 P1704 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.
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Frequently Asked Questions about P1704 Hyundai Code
1. What does the OBDII code P1704 mean on a Hyundai?
The P1704 code on a Hyundai indicates a "Throttle Position Sensor High Input," meaning the throttle position sensor (TPS) is sending a signal voltage that is higher than expected by the engine control module (ECM).
2. What are the common symptoms of the P1704 code?
Symptoms may include poor engine performance, hesitation during acceleration, erratic idle, reduced fuel efficiency, or the check engine light being illuminated.
3. What causes the P1704 code in a Hyundai?
Common causes include a faulty throttle position sensor, damaged or corroded wiring, a poor electrical connection, or issues with the ECM.
4. Can I drive my Hyundai with a P1704 code?
While the car may still be drivable, driving with a P1704 code can lead to reduced performance and potential damage to other components. It’s best to address the issue promptly.
5. How do I diagnose the P1704 code on my Hyundai?
Diagnosis involves scanning for codes, inspecting the throttle position sensor and its wiring, checking for loose or corroded connections, and testing the sensor's voltage output with a multimeter.
6. How is the P1704 code fixed?
Repairs may include replacing the faulty throttle position sensor, repairing or replacing damaged wiring, cleaning corroded connections, or in rare cases, reprogramming or replacing the ECM.
7. How much does it cost to fix the P1704 code on a Hyundai?
The repair cost depends on the issue. Replacing a throttle position sensor can cost $100–$300, including parts and labor, while wiring repairs may vary.
8. Can a dirty throttle body cause the P1704 code?
A dirty throttle body is unlikely to directly cause this code but can contribute to other throttle-related performance issues that might trigger additional codes.
9. How do I prevent the P1704 code from returning?
Regular maintenance, such as inspecting and cleaning the throttle body, checking electrical connections, and addressing issues promptly, can help prevent the code from reappearing.
10. Will resetting the check engine light fix the P1704 code?
Resetting the light may temporarily clear the code, but if the underlying issue isn’t resolved, the code and symptoms will likely return.
Discuss the causes and fixes for P1704 Hyundai OBDII Code
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