OBD-II Code Hyundai

P1155 — Hyundai — Electronic Throttle System (ETS) Malfunction

The ECU detects a general malfunction in the electronic throttle system.

Brand Hyundai
System Throttle System
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1155 mean on Hyundai vehicles?

The ECU detects a general malfunction in the electronic throttle system.

Common symptoms

  • Limp mode activation
  • reduced power

Possible causes

  • Faulty throttle body
  • ETS control 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 P1155 with your vehicle's actual symptoms for more complete diagnostic guidance.

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