2021 BMW X5 X6 Fault Code 80422D Suspension Issue
A manufacturer communication (NHTSA ID 10208178) addresses a persistent fault code 80422D "self-leveling suspension missing slave" in 2021 BMW X5 and X6 vehicles. This code may not clear after vehicle testing, indicating a problem with the electronic stability control or suspension system.

S'applique également à
- BMW X6
- 2021
Symptoms
Owners of a 2021 BMW X5 or X6 may encounter persistent issues with their vehicle's self-leveling suspension system. The primary symptom is the presence of fault code 80422D, which specifically identifies a "self-leveling suspension missing slave" condition. This fault code may appear after routine vehicle testing and prove difficult to clear, indicating an underlying problem with the suspension's electronic stability control.
Fault Codes / DTCs
The following diagnostic trouble code (DTC) is associated with this issue:
| Code | Description |
|---|---|
| 80422D | "self-leveling suspension missing slave" |
This fault code points to a specific problem within the ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) and SUSPENSION systems.
Diagnosis and Trigger Conditions
The fault code 80422D "self-leveling suspension missing slave" is typically observed after performing a vehicle test. The critical aspect of this issue is that the code will not clear, suggesting a persistent malfunction rather than a temporary glitch. This indicates that the self-leveling suspension system is not operating as intended, likely due to a communication error or a physical problem with a component identified as a "slave" unit within the system. The 2021 BMW X5 manufacturer_communication highlights this specific diagnostic challenge.
Repair Procedure Summary
While the manufacturer communication NHTSA ID 10208178 does not detail the exact repair steps, the inability to clear fault code 80422D "self-leveling suspension missing slave" implies a need for diagnostic and repair action beyond simple code clearing. Technicians will likely need to investigate the self-leveling suspension components, particularly those related to the "slave" unit, and the associated ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) system. This could involve checking wiring, connections, sensor functionality, or potentially replacing a faulty component to resolve the persistent fault.
Owner Action
If you own a 2021 BMW X5 or X6 and experience persistent warning lights or issues related to your self-leveling suspension, especially if a diagnostic scan reveals fault code 80422D "self-leveling suspension missing slave", it is recommended to contact your authorized BMW service center. Inform them about the specific fault code and the symptoms you are experiencing. This 2021 BMW X5 manufacturer_communication indicates that this is a known issue that requires a technician's attention for proper diagnosis and repair.
Source: NHTSA ID 10208178
Frequently Asked Questions
- What does BMW fault code 80422D mean?
- Fault code 80422D indicates a problem with the self-leveling suspension system, specifically a "self-leveling suspension missing slave" error. This suggests a component within the system is not communicating or functioning correctly.
- Which BMW models are affected by the 80422D fault?
- This particular issue, as described in NHTSA ID 10208178, affects 2021 BMW X5 and 2021 BMW X6 models equipped with self-leveling suspension.
- What should I do if my BMW X5 or X6 shows a self-leveling suspension fault?
- If your 2021 BMW X5 or X6 displays a self-leveling suspension fault or if a diagnostic scan reveals fault code 80422D, you should contact an authorized BMW service center. A technician will need to diagnose and repair the underlying issue.
- Is the 80422D fault a recall?
- No, this is identified as a manufacturer communication (TSB) by NHTSA ID 10208178, not a safety recall. While it addresses a known issue, it typically means it's a technical bulletin for dealers rather than a mandatory safety recall campaign.
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