Volkswagen bulletin 526B
What it saysUpdated ECM software to improve engine oil pressure setpoint. NHTSA’s full summary ↓
Volkswagen filed this with NHTSA as a service bulletin dated Apr 15, 2026, received May 5, 2026, about the electrical system — 1 document under this number: V0125072079863_2. It names 2 model years (2025–2026). 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 communicationUpdated ECM software to improve engine oil pressure setpoint.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| V0125072079863_2 | Service bulletin | Apr 15, 2026 | 11032216 | not found |
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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What owners reported
Source: NHTSA complaint databaseOwners of the 2 model years this bulletin names have filed 17 complaints with NHTSA since 2015. 5 of them name Electrical System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
There was a safety recall on the 2025 VW Taos that I drive ( ). On XXX an incident occurred causing a gear shift. The vehicle was dropped off at to Kelly Volkswagen in , on XXX. The gear shift issue cause damage to the back on the vehicle. The collision center gave me a quote 3,600 dollars to fix the car.
2025 Volkswagen Taos · Electrical System · filed with NHTSA Sep 20, 2026 · ODI 11765638
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the electrical system
Source: same model, same component group45 other manufacturer communications filed against the Volkswagen Taos under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Volkswagen list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| TT 57 23 01 | Other | Sep 10, 2026 | DTCs B1479F0 OR B147AF0 exterior door handles are inoperative Repair |
| VOS-26-47 | Service bulletin | Aug 14, 2026 | This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A… |
| V2724012073810_7 | Service bulletin | Aug 13, 2026 | Battery Checking Procedure before replacement |
| 3G0.919.360.SE | Service bulletin | Jul 20, 2026 | MIB3 Recovery Solution |
| VOS-26-42 | Service bulletin | Jul 15, 2026 | This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A… |
| VOS-26-15 | Service bulletin | Mar 6, 2026 | This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A… |
| V0126012080777_1 | Service bulletin | Jan 28, 2026 | Orifice size inside Fuel Tank Pressure Sensor housing too small causing sensor circuit faults. |
| V2724012073810_6 | Service bulletin | Jan 15, 2026 | 12V BatteryTesting, Charging and Required Documents before replacement. |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Volkswagen, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Volkswagen 526B 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 526B 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. Every Volkswagen warranty extension on file lists the ones Volkswagen has filed.
Which vehicles does 526B cover?
The manufacturer filed it against 2 model years: 2026 Volkswagen Taos, 2025 Volkswagen Taos. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.