P1579 Audi Code - Throttle Control Unit Basic Setting
Quick Answer
Throttle control unit incorporates the following components: Throttle Position (TP) Sensor, Close Throttle Position (CTP) Switch (if fitted), Idle Speed Control (ISC) Actuator/Position Sensor or Throttle Motor/Position Sensor. Common causes include Faulty Throttle Control Unit, Throttle Control Unit harness is open or shorted, Throttle Control Unit circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1579 Audi indicates Throttle Control Unit Basic Setting.
- Common causes
- Common causes include Faulty Throttle Control Unit, Throttle Control Unit harness is open or shorted, Throttle Control Unit circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1579 Audi Description
What are the Possible Causes of the DTC P1579 Audi?
- Faulty Throttle Control Unit
- Throttle Control Unit harness is open or shorted
- Throttle Control Unit circuit poor electrical connection
How to Fix the DTC P1579 Audi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1579 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1579 Audi Code
1. What does the OBDII code P1579 mean on an Audi?
P1579 indicates that the Throttle Control Unit requires a basic setting or adaptation, which helps the throttle body function correctly.
2. What are the common symptoms of code P1579 in an Audi?
Symptoms may include poor throttle response, reduced engine power, rough idling, or the vehicle entering limp mode.
3. What causes the P1579 code to appear on an Audi?
Common causes include a dirty or faulty throttle body, low battery voltage, a recent battery disconnection, or a failed throttle position sensor.
4. How do you fix the P1579 code on an Audi?
Perform a throttle body adaptation using a diagnostic tool, clean the throttle body if necessary, or replace it if it's defective.
5. Can I drive my Audi with the P1579 code active?
It’s not recommended to drive with this code active, as it may lead to poor performance, safety risks, or further damage to the throttle system.
6. Do I need a special tool to reset the P1579 code?
Yes, a diagnostic tool like VCDS (VAG-COM) or an OBDII scanner with throttle adaptation capability is required to reset the code.
7. Will disconnecting the battery clear the P1579 code?
Disconnecting the battery may temporarily clear the code but won’t fix the underlying issue or perform the necessary throttle adaptation.
8. Is cleaning the throttle body enough to resolve the P1579 code?
Cleaning the throttle body can help if dirt or carbon buildup is the cause, but a proper adaptation procedure is still required afterward.
9. What does "Throttle Control Unit Basic Setting" involve?
It involves calibrating the throttle body to ensure it opens and closes properly, which is done using a diagnostic tool.
10. Can a weak or failing battery trigger the P1579 code in an Audi?
Yes, a weak battery can disrupt the throttle control unit’s settings, causing the code to appear.
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