2018-2021 Volkswagen and Audi Recall: Loss of Steering Control from Bolt Failure

A Volkswagen Atlas turning into a parking space puts more load through its steering rack than it does at any highway speed. Volkswagen Group of America has recalled 208,724 vehicles because one of the two bolts holding that rack to the subframe can corrode until its head snaps off, and the rack housing can then crack under that parking-lot load.

NHTSA campaign 26V590, filed September 11, 2026, covers the 2018-2019 Atlas, the 2018 Tiguan and the 2019-2021 Audi Q3. Volkswagen files it as recall 48VT and Audi as 48LG. The Part 573 report estimates 1% of the population carries the condition, an estimate that works out to roughly 2,087 vehicles.

The three field reports that started the investigation came from vehicles outside North America.

The Issue

The steering rack on these vehicles bolts to the front subframe at two mounting points, one on each side. Volkswagen's filing identifies the right-side bolt, part number N.105.524.02, as the one that fails. Moisture can enter the area around it, and over years of service the bolt corrodes until the head fractures.

With the right bolt gone, the rack hangs on the left mount alone. Every steering input then bends the housing around that single point instead of spreading the load across two. Volkswagen's testing found the housing most likely to fracture during parking and low-speed maneuvering, when the power steering is working hardest against tires that are barely rolling. A cracked housing lets the rack shift relative to the subframe, and the tie rods stop carrying the wheel's movement to the front tires in a predictable way.

In August 2026 the company determined that a housing fracture may not be immediately apparent to the driver, and escalated the issue to its product safety committees again.

The remedy replaces the right bolt with one carrying what Volkswagen describes as a highly corrosion-resistant polymer coating. The left bolt is not part of the repair. Volkswagen lists itself as the component supplier and names no tier supplier for the bolt.

Affected Models

Vehicle	Model years	Production dates	US units	Recall number
Volkswagen Atlas	2018-2019	Nov 30, 2016 - Sep 22, 2018	82,601	48VT
Volkswagen Tiguan	2018	Mar 22, 2017 - Jun 18, 2018	85,713	48VT
Audi Q3	2019-2021	May 21, 2019 - Jul 16, 2021	40,410	48LG
Total	2018-2021		208,724

Volkswagen drew the population from production records. Recalled vehicles were built with a specific steering rack; vehicles outside the campaign received a different one. The production fix was phased in between June 2018 and July 2021, which is why the Tiguan's window closes on June 18, 2018 while the Q3's runs to July 16, 2021. A 2019 Tiguan or a 2020 Atlas is outside the campaign, as is any Q3 from the 2015-2018 generation.

All three ride on the Volkswagen Group's MQB architecture, which helps explain how one bolt part number spans two brands. The 2018 model year was the launch year for both the Atlas and the second-generation Tiguan in the United States; the second-generation Q3 followed for 2019.

The dealer notices list a further 44,303 vehicles in Canada: 13,246 Atlas, 22,051 Tiguan and 9,006 Q3. Those are outside the NHTSA count.

Chronology and Investigation

The first field report reached Volkswagen in October 2024, from a vehicle outside North America, describing a corroded steering rack mounting bolt and a broken rack housing. The company requested the rack and subframe for analysis. Between November 2024 and January 2025, engineering, production, supplier and materials specialists examined the returned parts and traced the housing failure to a corrosion-induced break of the bolt head.

Field inspections through July 2025 identified moisture ingress into the mounting area as a contributing factor. A second field report, again from outside the region, arrived in August 2025. In September Volkswagen began evaluating alternative surface coatings for the bolt. A third report came in December 2025.

Testing in March and April 2026 placed the likely housing failure at parking speeds and judged an occurrence in normal driving unlikely. The Volkswagen and Audi Product Safety Committees reviewed the results in May and June and weighed possible field actions. The August finding that a driver might not notice a fractured housing sent the topic back to both committees, and on September 4, 2026 they determined a safety defect may exist. The Part 573 reached NHTSA on September 11.

Volkswagen amended the report on September 14 to add one clause to the safety-risk description: that a loss of steering capability would increase the risk of a crash. NHTSA acknowledged the campaign on September 17.

Reported Incidents

As of the filing, Volkswagen and Audi are aware of no crashes, fires, injuries, deaths, warranty claims, field reports, service reports or other information tied to the condition in North America. The filing does not identify the markets where the three overseas field reports originated.

Twenty-three months passed between the first of those reports and the defect determination.

Remedy and Notification

Dealers were notified on September 16, 2026, the same day VINs became searchable on NHTSA.gov. There is no interim owner letter. Remedy letters are scheduled to mail November 10, 2026. The Part 573 does not mark the campaign as phased.

The dealer advance notices for 48VT and 48LG, both dated September 16, state that the repair is not yet available. Until it is, dealers are told to diagnose owner concerns and perform any needed work under existing repair procedures, and that such work cannot be billed to the recall. Dealers and owners will be told in writing when the remedy is ready.

Volkswagen has not issued a do-not-drive or park-outside advisory. Owners of any of the three vehicles may reach customer service at 1-800-893-5298. Volkswagen owners should reference 48VT, Audi owners 48LG.

Symptoms to Watch For Before the Rack Housing Fails

Unusual metallic rattling or knocking from the front axle area. This is the one warning Volkswagen's filing names. With the right bolt head gone, the rack can move against the subframe on that side, and the noise changes with steering input as well as with bumps, which separates it from a worn sway-bar end link.

A clunk when turning the wheel at a standstill. Parking loads are where Volkswagen's testing put the housing failure. A knock that arrives with a lock-to-lock turn in a driveway can be the rack rocking on its remaining mount.

Steering that feels loose or off-center. A rack that has moved on the subframe changes the toe of the front wheels. The steering wheel may rest at a new angle when driving straight, or the vehicle may pull to one side.

Play between the steering wheel and the tires. With the engine running and the vehicle stopped, turn the wheel a few degrees each way. Movement at the wheel before the tires respond points to slack in the linkage or at the rack mounts.

Heavy corrosion at the right rack mount. On a lift, the right-side mounting bolt sits in the moisture path named in the Part 573. Rust scale on the bolt head or the surrounding subframe is the condition itself, caught before the head lets go.

How Long Will the Recall Repair Take?

Replacing one steering rack mounting bolt is a short job once the vehicle is on a lift, provided the old bolt comes out intact. A corroded bolt that shears during removal, or one whose head has already fractured, turns the job into an extraction and may require the rack to come off the subframe. Volkswagen has published no labor time for 48VT or 48LG.

The dealer notices listed the repair as not available on September 16, and Volkswagen has to supply the coated bolt for 208,724 vehicles in the United States and 44,303 in Canada before the November 10 letters can be honored.

Bottom Line

By Volkswagen's own estimate about one vehicle in a hundred carries the defect, and its testing places the failure at parking speeds rather than on the highway. The August finding is what sent the topic back to the safety committees: a fractured housing may not be immediately apparent to the driver, so a vehicle can keep being driven after the housing has cracked.

The earliest Atlas and Tiguan builds, from late 2016 and early 2017, have had the longest exposure to the moisture ingress behind the campaign. Run the VIN through NHTSA.gov now, since the lookup went live September 16. If the front end has started to knock at parking speeds, have a dealer inspect the right rack mount before November rather than waiting for a letter.

Find your Volkswagen Atlas and Tiguan recall information: https://www.vw.com/en/owners-and-services/about-my-vehicle/recalls.html

Find your Audi Q3 recall information: https://www.audiusa.com/en/recalls/

Single unified Part 573 filed by Volkswagen Group of America covering two brands: Volkswagen recall 48VT (2018-2019 Atlas, 2018 Tiguan; 168,314 US units) and Audi recall 48LG (2019-2021 Q3; 40,410 US units). Same bolt, part number N.105.524.02, same coated-bolt remedy. Dealer advance notices dated September 16, 2026 list the repair as not yet available; remedy owner letters mail November 10, 2026.