DTC 17525

SAE VAG Description
P1117 17525 O2 Sensor Heater Circ., Bank 1 - Sensor 2 Short to Ground

Z29 - Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC))
- Oxygen sensor heater for oxygen sensors behind Three Way Catalytic Converter (TWC) checking. Oxygen Sensor Heater For Oxygen Sensor Behind Three Way Catalytic Converter (TWC) Checking