2022-2023 Audi e-tron GT DTC U112100 in Suspension Control Unit

Audi has released Technical Service Bulletin (TSB) 43 22 61 2067283/1, dated June 9, 2022, to provide guidance on a specific diagnostic trouble code (DTC) that may appear in certain 2022-2023 Audi e-tron GT and RS e-tron GT vehicles. This TSB is crucial for ensuring that unnecessary repairs are avoided when the Audi e-tron GT DTC U112100 is detected. It clarifies that while this code may be logged, it does not indicate an actual functional problem with the vehicle's suspension system.

Symptoms and Diagnostic Findings

Owners of affected vehicles will typically not experience any noticeable symptoms or customer concerns related to this issue. The presence of the Audi e-tron GT DTC U112100 is primarily identified by technicians during routine diagnostic work or pre-delivery inspections (PDI) before a new vehicle is delivered to the customer. When a diagnostic scan is performed, the J775 suspension control unit (diagnostic address 0074) may show this particular data bus missing message, but it does not manifest as a driveability issue or warning light for the driver.

Affected Fault Codes (DTCs)

The core of this TSB revolves around Diagnostic Trouble Code U112100. This code is often accompanied by specific symptom codes that further detail the nature of the data bus missing message. These codes are logged within the J775 suspension control unit, which is responsible for managing the vehicle's suspension system.

Technical Background and Production Solution

Audi states that for this specific condition, there is no applicable technical background or production solution required. This indicates that the presence of the U112100 DTC is not due to a known design flaw or manufacturing defect that requires a specific repair or software update.

Important Advisory: No Repair Necessary

Audi's Technical Service Bulletin 43 22 61 2067283/1 explicitly states a critical instruction for technicians: "If only the DTCs described above are logged in address 0074, do not perform any repair work." This is because these specific DTCs have been determined to have "no effects on the suspension system's" operation or performance. This advisory prevents unnecessary diagnostic time, parts replacement, and potential costs, providing clarity for both service centers and vehicle owners regarding the Audi e-tron GT DTC U112100.

Warranty Information

This TSB is classified as informational only and is not applicable to any Audi Warranty claims. This means that any diagnostic time spent investigating this specific DTC, if it's the only fault present and no customer concern exists, would not be covered under warranty as it does not represent a repairable condition.

Additional Information

Audi reminds technicians that all part and service references provided in TSB 2067283 are subject to change and/or removal. It is always recommended to check with the Parts Department and/or ETKA for the latest information and parts bulletins. Additionally, the Repair Manual should be consulted for details on fasteners, bolts, nuts, and screws that may require replacement during any repair work, though no repair is indicated for this specific TSB.

NHTSA ID: 10222019