Audi A4 A5 B8 8T 8R Bluetooth Module 8T0862335F - Used Original Parts
RM 650
Condition: Used (Original)Description
Product Title
Audi A4 A5 B8 8T 8R Bluetooth Module 8T0862335F - Used Original Parts
Diagnosis and Common Symptoms
From a workshop perspective, failure of the J794 (Information Electronics Control Module 1) sub-system for telephone functionality is a common issue on the B8 platform. The primary symptom is a complete loss of Bluetooth connectivity, often accompanied by an MMI (Multi Media Interface) message stating "Telephone is not installed" or "Telephone not available." The phone menu may be greyed out or cause the entire MMI system to lag or freeze.
A diagnostic scan with a capable tool like VCDS or ODIS will typically reveal fault codes pointing directly to the telephone control module. Key codes include:
- 02748 - Control Module for Telephone (J412): Defective
- 03157 - Functionality limited due to Communications Disruption
- No Communication with Telephone Control Module
Physically, the module is often located under the passenger seat carpet, making it highly susceptible to water ingress and corrosion, which is the leading cause of internal circuit failure.
Introduction
Restore seamless connectivity to your Audi with this Genuine Used Bluetooth Module. Each unit is meticulously sourced from a donor vehicle and subjected to rigorous bench testing to confirm full operational integrity. This part provides a cost-effective solution to reinstate the vehicle's original hands-free telephone functionality without compromising on quality or system integration.
Product Details
- Brand: Audi
- Model Compatibility: A4 / A5 / Q5 (B8 Platform, approx. 2008-2016)
- Part Name: MMI Telephone Control Module (Bluetooth Interface)
- Condition: Genuine Used (Tested Working)
- Notes: Verify part number 8T0 862 335 F matches your vehicle's original module. Failure is often due to water damage; ensure the installation area is dry before fitting the replacement. Component Protection may need to be removed by a qualified technician.
Frequently Asked Questions
Q: What symptoms indicate failure? A: The most common signs are the inability to pair or connect a phone, an MMI error message like "Telephone not available," and the telephone menu being inaccessible or greyed out.
Q: Does this require coding? A: Yes. This module is subject to Audi's "Component Protection" system. After installation, it must be adapted to your vehicle by an Audi dealership or a specialist workshop with the appropriate diagnostic tools (ODIS) to restore full functionality.
Q: Is this original? A: Absolutely. This is a Genuine Audi part, not an aftermarket copy. This ensures perfect compatibility with your vehicle's MMI 3G system and MOST bus communication network.
Why Choose Us?
- Verified functionality
- Actual photos/videos provided
- 30-day exchange warranty
- Maintains the integrity of the vehicle's MOST bus communication network
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
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