P1179 Hyundai Code - Electronic Throttle System Position Mismatch
Quick Answer
P1179 Hyundai indicates Electronic Throttle System Position Mismatch. 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
- P1179 Hyundai indicates Electronic Throttle System Position Mismatch.
- 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.
Code P1179 Hyundai Description
What are the Possible Causes of the DTC P1179 Hyundai?
- Faulty Electronic Throttle Body
- Electronic Throttle Body harness is open or shorted
- Electronic Throttle Body circuit poor electrical connection
How to Fix the DTC P1179 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 P1179 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 P1179 Hyundai Code
1. What does the OBDII code P1179 mean on a Hyundai?
P1179 indicates an "Electronic Throttle System Position Mismatch," meaning the throttle body sensors have detected a discrepancy between the commanded and actual throttle positions.
2. What are the symptoms of code P1179 in a Hyundai?
Symptoms may include poor acceleration, reduced engine power, erratic idling, throttle hesitation, or the activation of "limp mode."
3. What causes the P1179 code on Hyundai vehicles?
Common causes include a faulty throttle position sensor (TPS), a dirty or malfunctioning throttle body, damaged wiring, or issues with the engine control module (ECM).
4. Can a dirty throttle body trigger the P1179 code?
Yes, carbon buildup or debris in the throttle body can prevent proper throttle plate movement, leading to a position mismatch and triggering the code.
5. How do I fix the P1179 code on my Hyundai?
Fixes may include cleaning the throttle body, replacing the throttle position sensor, repairing damaged wiring, or reprogramming/updating the ECM.
6. Is it safe to drive with the P1179 code active?
Driving with this code is not recommended as it may cause reduced power or unsafe throttle response, potentially leading to dangerous situations.
7. How do I diagnose the P1179 code in a Hyundai?
Diagnosis involves scanning for additional codes, inspecting the throttle body and sensors, checking wiring and connectors, and testing the ECM functionality.
8. Can a bad throttle position sensor cause the P1179 code?
Yes, a faulty throttle position sensor can send incorrect signals to the ECM, causing a mismatch between the commanded and actual throttle positions.
9. Will clearing the P1179 code fix the problem?
Clearing the code without addressing the root cause will not resolve the issue, and the code is likely to return.
10. How much does it cost to repair the P1179 code on a Hyundai?
Repair costs can vary, ranging from $100–$300 for cleaning or sensor replacement to $500 or more if the throttle body or ECM needs replacing.
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