What does code P1186 mean on Audi vehicles?
A short to battery positive has been detected in the common ground wire of the linear oxygen sensor.
OBD-II Code Audi
P1186 — Audi — Linear O2 Sensor Common Ground Wire Short to B+
A short to battery positive has been detected in the common ground wire of the linear oxygen sensor.
Common symptoms
- Incorrect sensor readings.
Possible causes
- Electrical short circuit.
Initial recommendation
Check sensor wiring harness.
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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