Service bulletins for the 2020 Audi A4 allroad
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
712 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| TSB_2076404_5 | 2025-10-03. Service bulletin. UNKNOWN OR OTHER. This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR. |
|---|---|
| TSB_2075199_2 | 2025-10-03. Service bulletin. STEERING. This bulletin provides information when there is a prompt to take over steering; hands off detection. |
| TSB_2071264_2 | 2025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information whent here are complaints about route guidance with Navigation. |
| TSB_2066297_5 | 2025-10-03. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information related to the VIN-4-PIN Program. |
| TSB_2065978_5 | 2025-10-03. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the steering wheel does not heat up sufficiently. |
| TSB_2065234_2 | 2025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is a tail light warning and variois DTCs are stored in the comfort module; B16D431, B16D631, B16D531, and/or B16D731. |
| TSB_2064077_8 | 2025-10-03. Service bulletin. STRUCTURE:BODY. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator. |
| TSB_2062633_5 | 2025-10-03. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is cracking/creaking noises during load changes or severe vehicle body torsion. |
| TSB_2062633_4 | 2025-10-03. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is cracking/creaking noises during load changes or severe vehicle body torsion. |
| TSB_2060855_4 | 2025-10-03. Service bulletin. SUSPENSION. This bulletin provides information when there are rumbling noises from the suspension - upper link rubber mounting. |
| TSB_2058875_2 | 2025-10-03. Service bulletin. POWER TRAIN. This bulletin provides informaiton when there is an oil leak at the transmission connector. |
| TSB_2041717_14 | 2025-10-03. Service bulletin. VISIBILITY/WIPER. This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern. |
| Closures 20250905 | 2025-10-03. Other. UNKNOWN OR OTHER. September campaign closures |
| TSB_2079118_1 | 2025-09-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides tips for improving the robustness of the Bluetooth and CarPlay connection. |
| TSB_2073747_3 | 2025-09-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information for when there are scratches or a coating on the cover of the instrument cluster, or there are particles or insects inside of the housing. |
| TSB_2042920_3 | 2025-09-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is corrosion on the tailpipes. |
| TSB_2061976_4 | 2025-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for wire harness repairs and documentation. |
| TSB_2075681_5 | 2025-09-04. Service bulletin. POWER TRAIN. This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology. |
| TSB_2074436_2 | 2025-09-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the horn sound quality is poor. |
| TSB_2070568_5 | 2025-09-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool |
| Dealer 91MM | 2025-09-04. Service campaign. UNKNOWN OR OTHER. Some customers have reported unexpected reboots of the infotainment system. |
| Circular 91MM | 2025-09-04. Service campaign. UNKNOWN OR OTHER. Some customers have reported unexpected reboots of the infotainment system. |
| TSB_2078652_1 | 2025-09-04. Service bulletin. STRUCTURE:BODY. This TSB provides service information regarding noises from the sliding sunroof. |
| TSB_2061028_8 | 2025-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI. |
| TSB_2060750_4 | 2025-09-04. Service bulletin. UNKNOWN OR OTHER. This bulleitn provides information regarding UV Leak additive for finding oil leaks. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.