What does code P1196 mean on Volkswagen vehicles?
The ECU detects an electrical malfunction in the heater circuit of oxygen sensor bank 1 sensor 1.
OBD-II Code Volkswagen
P1196 — Volkswagen — Oxygen Sensor Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
The ECU detects an electrical malfunction in the heater circuit of oxygen sensor bank 1 sensor 1.
Common symptoms
- Check engine light
Possible causes
- Faulty O2 sensor heater
- wiring or power supply issue
Initial recommendation
Replace oxygen sensor or repair heater circuit wiring as 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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