What does code P1174 mean on Hyundai vehicles?
The ECU detects a malfunction in closed throttle position control (stage 1).
OBD-II Code Hyundai
P1174 — Hyundai — Electronic Throttle System Closed Throttle 1 Malfunction
The ECU detects a malfunction in closed throttle position control (stage 1).
Common symptoms
- Unstable idle speed
Possible causes
- Faulty throttle actuator or control logic
Initial recommendation
Perform ETS diagnostics and verify closed throttle operation.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Hyundai code P1174 with your vehicle's actual symptoms for more complete diagnostic guidance.
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