What does code P1116 mean on Volkswagen vehicles?
The heater circuit of oxygen sensor bank 1 sensor 1 is open, preventing proper sensor warm-up.
OBD-II Code Volkswagen
P1116 — Volkswagen — Oxygen Sensor Heater Circuit Open Bank 1 Sensor 1
The heater circuit of oxygen sensor bank 1 sensor 1 is open, preventing proper sensor warm-up.
Common symptoms
- Check engine light
- elevated emissions
Possible causes
- Open circuit wiring
- damaged O2 sensor
Initial recommendation
Check circuit continuity and repair wiring or replace sensor.
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 Volkswagen code P1116 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands