Audi bulletin TSB_2081343_1
What it saysThis bulletin provides informaiton when there is an electrical drive system warning lamp; DTC P0A2B00 (41505). NHTSA’s full summary ↓
Audi filed this with NHTSA as a service bulletin dated Mar 20, 2026, received Apr 7, 2026, about the electrical system. It names 1 model year (2026). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThis bulletin provides informaiton when there is an electrical drive system warning lamp; DTC P0A2B00 (41505).
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| TSB_2081343_1 | Service bulletin | Mar 20, 2026 | 11031045 |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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More bulletins about the electrical system
Source: same model, same component group340 other manufacturer communications filed against the Audi Q4 e-tron under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Audi list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TSB_2068573_6 | Service bulletin | Sep 18, 2026 | This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor faul… |
| TSB_2082962_2 | Service bulletin | Sep 14, 2026 | This bulletin provides a combined software update; ID. S 5.6.3 for Audi Q4 V7T BL. |
| TSB_2083185_1 | Service bulletin | Sep 8, 2026 | This bulletin provides information when timer-based charging is faulty; charging target exceeded (Q4 e-tron). |
| TSB_2082961_2 | Service bulletin | Sep 8, 2026 | This bulletin provides information about the combined softare update ID. S 5.6.3 Audi Q4 - with V7G and without S7E. |
| TSB_2083187_1 | Service bulletin | Sep 2, 2026 | This bulletin provides informaiotn when the vehicle does not charge; HV charging connector lock faulty. DTC 00C6, P0D9400. |
| TSB_2079214_4 | Service bulletin | Sep 2, 2026 | This bulletin provides information regarding fault finding and repair information for electric tailgate. |
| TSB_2077780_4 | Service bulletin | Sep 2, 2026 | This bulletin provides information when the charging target cannot be adjusted in the MMI. |
| TSB_2074258_2 | Service bulletin | Sep 2, 2026 | This bulletin provides information when the yellow electrical system warning lamp is illuminated; DTC B1581F4, B168A00. |

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Audi, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Audi TSB_2081343_1 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the TSB_2081343_1 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does TSB_2081343_1 cover?
The manufacturer filed it against 1 model year: 2026 Audi Q4 e-tron. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.