P1119 – Audi DTC

Audi DTC P1119 – O2 Sensor Heater Circuit, Bank2-Sensor1 Short to Ground

DTC P1119 meaning on Audi

The Diagnostic Trouble Code (DTC) P1119 for Audi indicates an issue with the O2 sensor heater circuit in Bank 2, Sensor 1. This fault code specifically points to a short to ground in the O2 sensor heater circuit of the upstream oxygen sensor located on the second bank of cylinders in the engine.

Audi DTC P1119 symptoms

Symptoms of DTC P1119 on an Audi may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Decreased fuel efficiency
• Engine running rough or misfiring
• Reduced engine performance

Audi DTC P1119 causes

The common causes of DTC P1119 on an Audi are:

• Short to ground in the O2 sensor heater circuit of Bank 2, Sensor 1
• Wiring or connector issues in the O2 sensor circuit
• Defective O2 sensor heater

Audi DTC P1119 seriousness

While DTC P1119 may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance and fuel efficiency.

How to diagnose DTC P1119 on Audi

To diagnose DTC P1119 on an Audi, follow these steps:

1. Use an OBD-II scanner to retrieve the fault code and verify it is P1119.
2. Inspect the wiring and connectors in the O2 sensor heater circuit for any visible damage or corrosion.
3. Test the O2 sensor heater for continuity and resistance to determine if it is functioning properly.
4. Check for any other related fault codes that may provide additional insight into the issue.

How to fix DTC P1119 on Audi

To fix DTC P1119 on an Audi, consider the following steps:

1. Repair any damaged wiring or connectors in the O2 sensor heater circuit.
2. Replace the O2 sensor heater if it is found to be defective.
3. Clear the fault code using an OBD-II scanner after completing the repairs.
4. Perform a test drive to ensure the issue has been resolved and the CEL does not reappear.

How to erase DTC P1119 on Audi

To erase DTC P1119 on an Audi:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Access the scanner’s menu to clear the fault codes stored in the ECU.
3. Follow the on-screen prompts to erase the DTC P1119 code.
4. Once the code is cleared, disconnect the scanner and start the vehicle to ensure the CEL is no longer illuminated.

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