Audi A4 B8 Airbag Module - Used Original Parts

Diagnosis and Common Symptoms

From a workshop perspective, diagnosing a faulty J234 Airbag Control Module on the Audi A4 B8 platform is straightforward. The primary indicator is a persistent, non-resettable airbag warning light on the instrument cluster. A proper diagnostic scan using tools like VCDS or ODIS will typically reveal specific Diagnostic Trouble Codes (DTCs).

Common fault codes pointing to module failure include:

• 00003 - Control Module: Defective
• 65535 - Internal Control Module Memory Error
• 01224 - Control Module Does Not Match Vehicle (Post-installation if not coded)
• Crash Data Stored (Non-erasable after a deployment event)

Symptoms include the airbag light illuminating immediately upon startup and the inability of a diagnostic tool to clear the internal fault memory. This is not just a sensor issue; it's a failure within the central processing unit of the safety system.

Introduction

The airbag control module is the brain of your vehicle's supplemental restraint system (SRS), and its proper function is non-negotiable. We offer a cost-effective solution with this Genuine Audi A4 B8 Airbag Module. Each unit is meticulously sourced and subjected to comprehensive bench testing to confirm full electronic integrity and ensure it is free of crash data. This provides a reliable, dealer-alternative repair without compromising on the original safety engineering.

Product Details

• Brand: Audi
• Model Compatibility: Audi A4 / S4 / Avant / Allroad (B8 Chassis Platform | 2008–2016)
• Part Name: Airbag Control Module (J234)
• Condition: Genuine Used (Tested Working)
• Notes: This unit is confirmed to be free of crash data. Installation requires professional coding and Component Protection removal to adapt the module to your vehicle's specific VIN and equipment list. Part numbers must be matched precisely to ensure compatibility.