Volkswagen Audi Error Code P1115: How to Fix It

Q: Can I drive with P1115 error code?

You can drive short distances, but the error affects fuel economy and emissions. The engine may run rich, reducing gas mileage and potentially damaging the catalytic converter over time. Fix it promptly to avoid more expensive repairs.

Q: How much does it cost to fix P1115 error code?

DIY repair typically costs $50-150 for an oxygen sensor or wiring materials. Professional repair ranges from $200-400 depending on whether it's just a sensor replacement or requires extensive wiring work. Labor costs vary by location and complexity.

Q: What causes P1115 oxygen sensor heater circuit to fail?

Common causes include damaged wiring from heat exposure, corroded connections from road salt or moisture, failed oxygen sensor heater element, or rarely, ECM faults. Age and high mileage make wiring more susceptible to damage from engine heat cycles.

Q: Will P1115 cause my car to fail emissions testing?

Yes, P1115 will typically cause an emissions test failure because it prevents proper oxygen sensor operation. The OBD2 system checks for this code during emissions testing, and any pending or stored codes related to emissions components usually result in a failed test.

Q: How long do VW Audi oxygen sensors typically last?

Oxygen sensors in VW and Audi vehicles typically last 80,000-120,000 miles under normal driving conditions. However, factors like poor fuel quality, oil consumption, coolant leaks, or frequent short trips can reduce lifespan significantly.

Abstract

Error code P1115 in Volkswagen and Audi vehicles indicates a problem with the oxygen sensor heater circuit in Bank 1, Sensor 1, specifically a short to ground condition. This error affects your engine's ability to properly monitor exhaust gases, potentially leading to poor fuel economy and increased emissions.