What does code P1118 mean on Volkswagen vehicles?
The heater circuit of oxygen sensor bank 1 sensor 2 is open, disabling heater operation.
OBD-II Code Volkswagen
P1118 — Volkswagen — Oxygen Sensor Heater Circuit Open Bank 1 Sensor 2
The heater circuit of oxygen sensor bank 1 sensor 2 is open, disabling heater operation.
Common symptoms
- Check engine light
Possible causes
- Open wiring
- damaged O2 sensor
Initial recommendation
Check sensor and wiring continuity and replace if needed.
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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