What does code P1171 mean on Hyundai vehicles?
The ECU detects a malfunction in the electronic throttle system during wide open throttle operation.
OBD-II Code Hyundai
P1171 — Hyundai — Electronic Throttle System (ETS) WOT Malfunction
The ECU detects a malfunction in the electronic throttle system during wide open throttle operation.
Common symptoms
- Loss of power
- reduced acceleration
Possible causes
- Faulty throttle body
- ETS control issue
Initial recommendation
Perform full electronic throttle system diagnostics and inspect throttle body.
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 P1171 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands