OEM Theft and Alarm Control Module for 1998-2005 Audi A4, A6, allroad, S4, S6
Condition: Excellent (A) — like new, minimal to no wear
Professionally inspected and tested.
Product Notes Read before buying
This is an alarm and anti-theft control module that includes the movement detector feature. It is specifically for vehicles that are NOT equipped with roof-mounted side curtain air bags. Please verify your vehicle's options before ordering.
Why Buy Used OEM Parts?
We check and test every used part before we sell it. It may show some wear, but it works and is ready to install.
This is the same part your vehicle came with from the factory. It fits and works just like the original — because it is one.
A few marks on the outside don't change what's inside. The part works the way it should.
Pay 50–80% less than buying new. Same factory part, much lower price.
Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Avant | Wagon | 2000 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Base | Sedan | 2000 - 2002 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Base | Sedan | 2000 - 2001 | V6 2.8L | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Avant Confort | Wagon | 2001 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Avant Luxury | Wagon | 2001 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Basico | Sedan | 2001 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Confort | Sedan | 2001 | L4 1.8L Turbo | FWD | Automatic | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Luxury | Sedan | 2001 | L4 1.8L Turbo | FWD | Automatic | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Sport | Sedan | 2001 | L4 1.8L Turbo | FWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Base | Sedan | 2002 | L4 1.8L Turbo | FWD | Automatic CVT | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Base | Sedan | 2002 | V6 3.0L | FWD | Automatic & Automatic CVT & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Confort | Sedan | 2002 | L4 1.8L Turbo | FWD | Automatic CVT & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Luxury | Sedan | 2002 | L4 1.8L Turbo | FWD | Automatic CVT | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 - 2001 | V6 2.8L | FWD | Automatic | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| Avant | Wagon | 1999 - 2000 | V6 2.8L | FWD | Automatic | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| Base | Sedan | 2002 - 2004 | V6 3.0L | FWD | Automatic CVT | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| Luxury | Sedan | 2002 - 2004 | V6 3.0L | FWD | Automatic CVT | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| Premium | Sedan | 2002 | V6 3.0L | FWD | Automatic CVT | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| Confort | Sedan | 2003 - 2004 | V6 3.0L | FWD | Automatic CVT | For 1998 models, this part fits vehicles with the 8th digit of the VIN as 'B'. For 2000-2004 models, this part is for vehicles WITHOUT roof-mounted air bags. |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2000 - 2002 | V6 2.7L Turbo | AWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| Avant | Wagon | 2001 - 2002 | V6 2.7L Turbo | AWD | Automatic & Manual | For 2002 models, this part fits vehicles with the 8th digit of the VIN as 'D'. |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Avant | Wagon | 2002 - 2003 | V8 4.2L | AWD | Automatic | This part is for vehicles WITHOUT roof-mounted air bags. |
| Base | Sedan | 2002 - 2003 | V8 4.2L | AWD | Automatic | This part is for vehicles WITHOUT roof-mounted air bags. |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| 2001 - 2005 |
Policies, in plain English.
Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
6-Month Warranty
All used parts include a 6-month warranty from the date of purchase.
- If your part fails within 6 months, we will send a replacement
- Refunds are only issued if we cannot provide a suitable replacement
- Warranty covers defects — not installation errors, misuse, or damage after installation
Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.
Returns (30 Days)
We accept returns within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: We cover return shipping as part of our 100% money-back guarantee
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
Damaged in Shipping?
If your part arrives damaged:
- Stop immediately — do not install the part
- Keep all original packaging and boxes
- Take clear photos of the damage and packaging
- Contact us within 48 hours of delivery
We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.
Order Cancellation
Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.
Expert Guide
Audi A4, A6, S4, S6 Comfort Control Module Failure: The Definitive Water Damage Guide (1999-2008)
This guide covers the common water-related failure of the Comfort Control Module in 1999-2004 Audi A6, 2002-2005 Audi A4, 2002-2003 Audi S6, 2004-2008 Audi S4, and other related models, causing electrical chaos with windows, locks, and lights.
Read Full Guide →Miscellaneous Information
OEM Part Numbers:
Audi: 4B0951173
Fits Years: 1998 1999 2000 2001 2002 2003 2004 2005
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This part ships with a 6-month warranty. If it doesn't fit or stops working, we replace or refund — no hassle.