2021-2022 Audi A4/A5 Suspension Malfunction DTC B200FF0

Owners of certain 2021-2022 Audi A4, A5, S4, and S5 models equipped with electronic damper control may encounter a "Suspension control module malfunction" warning. This issue is addressed by Audi Technical Service Bulletin (TSB) 43 21 47 2051336/4, which supersedes an earlier bulletin, 21-46, dated April 20, 2021. The TSB provides specific guidance for diagnosing and resolving the underlying fault, primarily involving a diagnostic trouble code (DTC) related to the suspension system.

Symptoms of Suspension Control Module Malfunction

The primary symptom reported by vehicle owners is the illumination of "The warning lamp for the damper control in the instrument cluster is on." This visual alert indicates a problem within the vehicle's electronic damping control system, which manages the suspension's responsiveness and comfort settings.

Diagnostic Trouble Code (DTC) B200FF0

When a technician investigates the illuminated warning lamp, they will likely find Diagnostic Trouble Code (DTC) B200FF0 stored in one of the vehicle's control modules. This specific code, often accompanied by symptom code 4456587, signifies an "internal malfunction" within the suspension control system. The DTC B200FF0 can be stored in either the drivetrain control module (J775, address word 0074) or the electronic damping control module (J250, address word 0014). This indicates a communication or internal processing error within these critical suspension components.

Important Warnings for Owners

Audi has issued a crucial note within TSB 43 21 47 2051336/4 regarding the repair process for this specific Audi suspension malfunction B200FF0. It states: "Parts replacement does not solve this issue. Claims for replaced parts will be subject to review." This means that attempting to replace suspension components, such as the control module itself, will not resolve the B200FF0 code and may result in the owner or dealership incurring unnecessary costs. The solution is software-based, not hardware replacement.

Repair Procedure Summary

The repair procedure for the Audi suspension malfunction B200FF0 is straightforward and does not involve replacing physical parts. Technicians are instructed to:

1. Delete the DTC: The stored DTC B200FF0 must be cleared from the relevant control module.
2. Perform Suspension Basic Settings: After clearing the code, the vehicle's suspension system needs to undergo a basic settings procedure. This recalibrates the electronic damper control to ensure proper function.
3. Perform GFF Check: Technicians must perform Guided Functions (GFF) to confirm that no other DTCs are present in the control module. GFF also prompts for any additional basic settings required based on the vehicle's specific equipment.

Audi emphasizes that the presence of this DTC does not negatively affect the handling characteristics of the vehicle. The repair focuses on resetting the system to clear the fault indicator.

Warranty Information

For eligible vehicles, the repair for this suspension control module malfunction may be covered under warranty. The claim type typically applies to vehicles up to 48 months or 50,000 miles. For Audi Certified Pre-Owned (CPO) vehicles, the G10 claim type is used, requiring verification of owner eligibility. If a vehicle is outside its warranty period, this Technical Service Bulletin serves as informational guidance rather than a guarantee of free repair.

TSB Revisions

This Technical Service Bulletin has undergone several revisions to ensure accuracy and provide the most current information:

• Revision 4 (June 4, 2021): Updated warranty information and service notes.
• Revision 3 (April 20, 2021): Added specific model years to the header.
• Revision 2 (April 3, 2020): Revised the title, updated the header to include additional model years and DTCs, and revised warranty details.

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Source: NHTSA ID: 10197894