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P1506 – Audi DTC

Audi DTC P1506 – Closed Throttle Position Switch Does Not Open/Short to Ground

DTC P1506 meaning on Audi

DTC P1506 on an Audi indicates that the Closed Throttle Position Switch does not open or there is a short to ground detected. This switch is responsible for signaling to the engine control module (ECM) when the throttle is fully closed.

Audi DTC P1506 symptoms

Symptoms of DTC P1506 on an Audi may include:

  • Check Engine Light (MIL) illuminated
  • Engine may idle erratically
  • Reduced engine performance
  • Possible stalling when coming to a stop

Audi DTC P1506 causes

Common causes of DTC P1506 on an Audi include:

  • Faulty Closed Throttle Position Switch
  • Short to ground in the wiring harness
  • ECM software issue

Audi DTC P1506 seriousness

While DTC P1506 may not cause immediate drivability issues, it is important to address this fault as it can lead to poor engine performance and potential stalling. Ignoring this fault could result in further damage to engine components.

How to diagnose DTC P1506 on Audi

To diagnose DTC P1506 on an Audi, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the wiring harness for any visible damage or shorts
  3. Test the Closed Throttle Position Switch for proper operation
  4. Check the ECM for any software updates or faults

How to fix DTC P1506 on Audi

To fix DTC P1506 on an Audi, you can try the following:

  1. Replace the Closed Throttle Position Switch if faulty
  2. Repair any wiring harness issues or shorts
  3. Update the ECM software if necessary

How to erase DTC P1506 on Audi

To erase DTC P1506 on an Audi, you can use a diagnostic scanner to clear the fault code after the underlying issue has been addressed. Once the fault is fixed, clearing the code will reset the Check Engine Light.

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