What does code P1102 mean on Audi vehicles?
A short to battery positive has been detected in the heater circuit of O2 sensor Bank 1 Sensor 1.
OBD-II Code Audi
P1102 — Audi — O2 Sensor Heater Circuit Bank 1 Sensor 1 Short to B+
A short to battery positive has been detected in the heater circuit of O2 sensor Bank 1 Sensor 1.
Common symptoms
- Check engine light
- inoperative sensor.
Possible causes
- Shorted wiring or faulty O2 sensor.
Initial recommendation
Inspect O2 sensor heater wiring.
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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