P1184 – Audi DTC

Audi DTC P1184 – Linear 02 Sensor / Common Ground Wire Open Circuit

DTC P1184 meaning on Audi

DTC P1184 on an Audi indicates a fault with the Linear O2 Sensor or Common Ground Wire Open Circuit. This diagnostic trouble code is triggered when the Engine Control Module (ECM) detects an open circuit in the common ground wire of the linear oxygen sensor.

Audi DTC P1184 symptoms

Symptoms of DTC P1184 on an Audi may include:

• Check Engine Light (MIL) illuminated
• Poor engine performance
• Reduced fuel efficiency
• Irregular idling

Audi DTC P1184 causes

The common causes of DTC P1184 on an Audi include:

• Open circuit in the common ground wire of the linear O2 sensor
• Wiring harness issues
• Defective linear O2 sensor
• ECM software issues

Audi DTC P1184 seriousness

DTC P1184 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. Ignoring this fault may also cause damage to other engine components over time.

How to diagnose DTC P1184 on Audi

To diagnose DTC P1184 on an Audi, follow these steps:

1. Use an OBD-II scanner to retrieve the fault codes.
2. Inspect the wiring harness for any visible damage or corrosion.
3. Check the linear O2 sensor for proper connection and functionality.
4. Perform a continuity test on the common ground wire of the sensor.

How to fix DTC P1184 on Audi

To fix DTC P1184 on an Audi, you can:

1. Repair or replace any damaged wiring in the common ground circuit.
2. Replace the linear O2 sensor if it is found to be faulty.
3. Clear the fault codes and reset the ECM.

How to erase DTC P1184 on Audi

To erase DTC P1184 on an Audi:

1. Use an OBD-II scanner to clear the fault codes.
2. Disconnect the battery for a few minutes to reset the ECM.
3. Drive the vehicle for a short distance to allow the ECM to relearn the sensor values.

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