What does code P1191 mean on Hyundai vehicles?
The ECU detects a malfunction of the ETS limp-home valve.
OBD-II Code Hyundai
P1191 — Hyundai — Electronic Throttle System Limp-Home Valve Malfunction
The ECU detects a malfunction of the ETS limp-home valve.
Common symptoms
- Limp mode activation
- reduced engine power
Possible causes
- ETS system fault
- throttle body issue
Initial recommendation
Perform complete electronic throttle system diagnostics.
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 P1191 with your vehicle's actual symptoms for more complete diagnostic guidance.
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