What does code P1786 mean on Audi vehicles?
The reversing light circuit is electrically open, preventing the reverse lights from illuminating.
OBD-II Code Audi
P1786 — Audi — Reversing Light Circuit Open
The reversing light circuit is electrically open, preventing the reverse lights from illuminating.
Common symptoms
- Reverse lights not working
Possible causes
- Open circuit
- broken wire
- faulty bulb or connector
Initial recommendation
Check reverse light bulbs, inspect wiring and repair open circuit as required.
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.
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