OBD-II Code Audi

P1771 — Audi — Load Signal Stuck Off

The transmission load signal is stuck in the OFF state, preventing proper load-based shift control.

Brand Audi
System Transmission
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1771 mean on Audi vehicles?

The transmission load signal is stuck in the OFF state, preventing proper load-based shift control.

Common symptoms

  • Erratic shifting behavior
  • improper gear selection

Possible causes

  • Load signal failure
  • sensor or wiring fault

Initial recommendation

Inspect load signal source, check wiring and sensor 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 Audi code P1771 with your vehicle's actual symptoms for more complete diagnostic guidance.

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