P1459 – Audi DTC

Audi DTC P1459 – Exhaust gas temperature sensor 2 range/performance

DTC P1459 meaning on Audi

The Diagnostic Trouble Code (DTC) P1459 for Audi indicates an issue with the Exhaust Gas Temperature Sensor 2, specifically related to its range or performance. This sensor is responsible for monitoring the exhaust gas temperature and providing data to the engine control module for proper fuel and emissions control.

Audi DTC P1459 symptoms

Symptoms of DTC P1459 on an Audi may include:

• Check Engine Light illuminated on the dashboard
• Reduced engine performance
• Potential increase in fuel consumption
• Possible rough idling or misfiring

Audi DTC P1459 causes

Common causes of DTC P1459 on an Audi include:

• Defective Exhaust Gas Temperature Sensor 2
• Wiring or connector issues related to the sensor
• Exhaust system leaks or damage
• Software or calibration issues in the engine control module

Audi DTC P1459 seriousness

The seriousness of DTC P1459 on an Audi can vary. While it may not always lead to immediate drivability issues, ignoring this fault can potentially result in poor engine performance, increased emissions, and even damage to other components over time. It is recommended to address this DTC promptly.

How to diagnose DTC P1459 on Audi

To diagnose DTC P1459 on an Audi, a mechanic would typically perform the following steps:

1. Use a diagnostic scan tool to retrieve the fault codes stored in the engine control module
2. Inspect the Exhaust Gas Temperature Sensor 2 and its wiring for any visible damage or corrosion
3. Check for exhaust leaks or other issues in the exhaust system
4. Perform testing on the sensor and related components using a multimeter or oscilloscope

How to fix DTC P1459 on Audi

Fixing DTC P1459 on an Audi typically involves the following steps:

1. Replace the Exhaust Gas Temperature Sensor 2 if it is found to be faulty
2. Repair or replace any damaged wiring or connectors associated with the sensor
3. Address any exhaust system leaks or damage that may be affecting sensor performance
4. If necessary, update the engine control module software to ensure proper calibration

How to erase DTC P1459 on Audi

To erase DTC P1459 on an Audi, the fault codes can be cleared using a diagnostic scan tool. After addressing the underlying issue causing the fault code, the scan tool can be used to reset the codes and clear the Check Engine Light from the dashboard. It is important to ensure that the root cause of the fault has been resolved before clearing the codes.

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