OBD-II Code Audi

P1861 — Audi — Throttle Position Sensor Error Message from Engine Control Module

The engine control module reports a fault related to the throttle position sensor, triggering protective operation.

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

What does code P1861 mean on Audi vehicles?

The engine control module reports a fault related to the throttle position sensor, triggering protective operation.

Common symptoms

  • Limp mode activation
  • reduced engine performance

Possible causes

  • Faulty throttle position sensor
  • wiring or throttle body issue

Initial recommendation

Perform throttle position sensor diagnostics and throttle body inspection.

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 Audi code P1861 with your vehicle's actual symptoms for more complete diagnostic guidance.

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