2021-2023 Audi e-tron Suspension Module DTC U12B800 P000000

Symptoms and Diagnostic Trouble Codes

Owners of 2021-2023 Audi e-tron vehicles may find diagnostic trouble codes (DTCs) U12B800 or P000000 stored in the suspension control module, identified as J775 (address word 0074). These codes are typically logged as "passive/sporadic" and are often found without any noticeable symptoms or customer concerns. The focus keyword, "Audi e-tron suspension control module DTC", specifically refers to these codes.

The specific fault codes and their descriptions are:

• DTC U12B800: "ABS control unit implausible - passive/sporadic" with symptom code 15417397.
• DTC P000000: "passive/sporadic" with symptom code 15417397.

These DTCs indicate that the suspension control module has detected an implausible signal from the ABS control unit. However, Audi states that these codes do not affect the vehicle's system behavior.

Important Warnings for Owners and Technicians

Audi Technical Service Bulletin 43 24 94 2058686/5 provides crucial guidance regarding these specific DTCs. If either DTC U12B800 or P000000 is stored in the suspension control module (J775) and no other DTCs are present in other control modules, do not perform any repair. The TSB explicitly states that these DTCs have no effects on the system behavior.

Furthermore, this Technical Service Bulletin (TSB) is for informational purposes only and is not applicable to any Audi Warranty. This means that any diagnostic time or attempted repairs related solely to these codes, without other underlying issues, would not be covered under warranty. Owners should be aware that if a technician suggests repairs based only on these codes, it contradicts Audi's official guidance. Understanding the implications of an "Audi e-tron suspension control module DTC" is key.

TSB Revision History

This Technical Service Bulletin, 43 24 94 2058686/5, supersedes a previous bulletin, Group 43 number 23-75, dated May 25, 2023. The revisions primarily involved adding model years to the affected vehicle list.

• Revision 5 (September 9, 2024): Revised header, adding additional model years.
• Revision 4 (May 25, 2023): Revised header, adding additional model years.
• Revision 3 (June 9, 2022): Revised header, adding additional model years.

Source: NHTSA ID: 11009340, TSB 43 24 94 2058686/5