Audi Xenon Headlight Ballast 8K0907063DH – Causes of Failure, Symptoms, Repair and Replacement Guide

The Xenon Headlight Ballast (8K0907063DH / F005V01211 / 08016001) is a critical component in Audi vehicles equipped with HID headlights. It regulates the voltage required to ignite and power the Xenon bulbs, ensuring bright and stable illumination. When the ballast fails, headlight performance suffers, leading to safety risks during night driving.

In this blog, we’ll discuss what causes this module to fail, early warning signs, repair options, and how to replace and program it.

What Causes the Audi Xenon Ballast (8K0907063DH) to Fail?

Ballasts are built to last, but several factors can cause them to fail over time:

1. Moisture Ingress: Water entering the headlight housing can corrode internal circuits, leading to short circuits.

2. Electrical Surges: Voltage spikes from a faulty alternator or wiring issues can damage sensitive electronic components.

3. Overheating: Ballasts mounted close to the engine or in sealed units can overheat, reducing their lifespan.

4. Age and Wear: HID ballasts typically last 5–8 years before they start failing.

5. Damaged Bulbs: A failing or mismatched Xenon bulb can overload the ballast, causing premature failure.

What Are the Early Signs of a Failing Ballast?

Detecting early symptoms of a failing ballast can save you from complete headlight failure. Watch for the following signs:

• Headlight Flickering: The light may flicker or intermittently turn off.

• Dim or Color-Shifted Light: A failing ballast can cause the Xenon bulb to produce dim or uneven light output.

• Headlight Not Turning On: If the bulb is fine but the light doesn’t turn on, the ballast might be faulty.

• Burnt Smell or Visible Damage: In severe cases, the ballast casing may show burn marks or smell like burnt electronics.

Can a Xenon Ballast Be Repaired?

Technically, some ballasts can be repaired by replacing internal electronic components, but this is not recommended for most vehicle owners.
Why replacement is better:

• Repairs are often temporary and unreliable.

• Repaired ballasts may not meet OEM safety standards.

• Cost of professional repair is often close to a new replacement.

For reliability and safety, replacing the ballast with a genuine part like 8K0907063DH is the best solution.

How to Replace an Audi Xenon Ballast (8K0907063DH)?

Replacing the Xenon ballast is straightforward but requires care. Here’s a step-by-step guide:

Tools Needed:

• Screwdrivers or Torx drivers (varies by model).

• Socket wrench set.

• Protective gloves.

Steps:

1. Disconnect the Battery: Always disconnect the negative terminal to prevent electrical shock.

2. Remove the Headlight Unit: In some Audi models, you may need to remove the front bumper to access the headlight assembly.

3. Locate the Ballast: The ballast is usually mounted underneath the headlight housing.

4. Unplug the Connectors: Carefully detach all electrical connections.

5. Remove the Old Ballast: Unscrew and remove the faulty unit.

6. Install the New Ballast: Secure the replacement unit and reconnect the wiring.

7. Reassemble the Headlight: Reinstall the headlight and reconnect the battery.

Do Audi Xenon Ballasts Require Programming?

In most Audi models, the Xenon ballast 8K0907063DH is plug-and-play and does not require programming. However, if the headlight control module or ECU has been replaced along with the ballast, minor coding may be required using diagnostic tools like VCDS.

Final Tips:

• Always replace faulty HID bulbs together with the ballast to prevent repeat failure.

• Use only genuine or high-quality OEM parts to avoid electrical compatibility issues.

• If you are not confident in replacing the ballast yourself, have it installed by a professional mechanic.

Need a Genuine Audi Xenon Ballast?

At Automan Spare Parts, we provide OEM Xenon headlight ballasts (8K0907063DH / F005V01211 / 08016001) with worldwide shipping and competitive prices.

FAQ Section:

1. What causes an Audi Xenon Ballast (8K0907063DH) to fail?

Ballasts can fail due to moisture ingress, voltage surges, overheating, age, or faulty HID bulbs that overload the control unit.

2. What are the early signs of a bad ballast?

Flickering headlights, dim or discolored light output, headlights not turning on, or burnt smells from the headlight housing are common warning signs.

3. Can a Xenon ballast be repaired?

Repairs are possible but not recommended due to reliability and safety concerns. Replacing with a genuine OEM unit ensures long-term performance.

4. Does a new ballast need programming?

Most Audi Xenon ballasts, including 8K0907063DH, are plug-and-play. Programming is only required if the control module or ECU has also been replaced.

5. How much does a replacement ballast cost?

The cost depends on the supplier and region. OEM ballasts are priced higher than aftermarket versions but guarantee compatibility and quality.

6. Can I replace the ballast myself?

Yes, but it involves removing the headlight housing. If unsure, seek professional help to avoid damaging the electrical system.