P1505 – Audi DTC

Audi DTC P1505 – Closed Throttle Position Does Not Close/Open Circ

DTC P1505 meaning on Audi

DTC P1505 on an Audi indicates a fault with the Closed Throttle Position Does Not Close/Open Circuit. This means that the Engine Control Module (ECM) has detected an issue with the closed throttle position sensor circuit, which is responsible for monitoring the position of the throttle when it is fully closed.

Audi DTC P1505 symptoms

Symptoms of DTC P1505 on an Audi may include:

  • Check Engine Light illuminated on the dashboard
  • Engine may idle erratically
  • Reduced engine performance
  • Difficulty starting the engine

Audi DTC P1505 causes

Common causes of DTC P1505 on an Audi include:

  • Faulty closed throttle position sensor
  • Wiring or connector issues in the closed throttle position sensor circuit
  • ECM software or hardware problems

Audi DTC P1505 seriousness

While DTC P1505 may not cause immediate drivability issues, it is important to address this fault promptly to prevent potential long-term damage to the engine or other components. Ignoring this fault could lead to further complications and increased repair costs.

How to diagnose DTC P1505 on Audi

To diagnose DTC P1505 on an Audi, follow these steps:

  1. Use an OBD-II scanner to retrieve the fault code and freeze frame data
  2. Inspect the closed throttle position sensor and its wiring for any visible damage
  3. Perform a thorough visual inspection of the throttle body and related components
  4. Test the closed throttle position sensor using a multimeter to check for proper voltage and resistance

How to fix DTC P1505 on Audi

To fix DTC P1505 on an Audi, consider the following steps:

  1. Replace the closed throttle position sensor if it is found to be faulty
  2. Repair any damaged wiring or connectors in the closed throttle position sensor circuit
  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

How to erase DTC P1505 on Audi

To erase DTC P1505 on an Audi, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port
  2. Select the option to clear fault codes from the ECM
  3. Follow the on-screen prompts to confirm the deletion of the fault code
  4. Disconnect the OBD-II scanner and start the engine to verify that the fault code has been successfully erased

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