NHTSA DATA SNAPSHOT · SEP 21 2026MODEL MATCH ≠ VIN MATCHCHECK A VIN AT NHTSA ↗
RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2018 Thor Aria recalls

NHTSA's September 21, 2026 snapshot lists 5 safety recall campaigns for the 2018 Thor Aria, spanning 7 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns5not VIN-specific
Component groups7distinct top-level categories
Latest recordMarch 14, 2019report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2018 Thor Aria recall campaigns

The 2018 Thor Aria report contains 5 distinct NHTSA campaigns; the most recently received record is campaign 19V200000 dated March 14, 2019.
CAMPAIGN

NHTSA 19V200000

Component
STEERING, SUSPENSION
Report received
March 14, 2019
Potential units
12campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2018-2019 Aria, and 2019 Palazzo motorhomes built on a Daimler Trucks North America (DTNA) chassis equipped with Detroit Axle axles. The affected vehicles may have loose steering and tie rod arm bolts.

Why it matters: Loose steering and tie rod arm bolts can cause separation of the tie rod arm from the front wheels, increasing the risk of a crash.

Remedy

TMC has notified owners, and DTNA dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began on March 15, 2019. Owners may contact Daimler Trucks North America at 1-800-547-0712 to locate a Qualified Service Center or may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000166.

Owner notification: March 14, 2019 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 18V780000

Component
SERVICE BRAKES, AIR
Report received
November 5, 2018
Potential units
134campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2018-2019 Thor Aria and Venetian motorhomes. The brake caliper mounting bolts may have been insufficiently tightened.

Why it matters: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

Remedy

TMC will notify owners, and Daimler Trucks North America (DTNA) authorized service facilities will check and tighten the brake caliper mounting bolts, free of charge. The recall began December 5, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000164.

Owner notification: December 5, 2018 · Filing manufacturer: Thor Motor Coach

Component
ELECTRICAL SYSTEM, EXTERIOR LIGHTING
Report received
October 30, 2018
Potential units
1,769campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2017 Tuscany XTE and 2017-2019 Venetian, Aria, Tuscany, and Palazzo motorhomes built on Freightliner Custom Chassis Corporation chassis. The Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

Why it matters: Nonfunctioning lights can increase the risk of a crash.

Remedy

The remedy for this recall is still under development. Daimler Trucks North America, the manufacturer of the chassis began issuing owners an interim notification on October 24, 2018, and will send a second notification when parts become available. The recall began October 30, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000163.

Owner notification: October 30, 2018 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 18V507000

Component
SERVICE BRAKES, HYDRAULIC
Report received
August 2, 2018
Potential units
175campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2017-2018 Thor Aria motorhomes and 2017-2019 Thor Venetian motorhomes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.

Why it matters: If the brake caliper mounting bolts loosen, braking performance may be reduced, increasing the risk of a crash.

Remedy

TMC will notify owners, and authorized Daimler Trucks service centers will inspect the caliper mounting bolts and tighten them to the proper specification, free of charge. The recall began September 4, 2018. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000159.

Owner notification: September 4, 2018 · Filing manufacturer: Thor Motor Coach

Component
EQUIPMENT
Report received
November 22, 2017
Potential units
110,400campaign-wide
Defect and consequence

Defect: Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf.

Why it matters: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

Remedy

Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1-877-500-1020, or Kidde customer service toll-free at 1-855-262-3540, or online at www.kidde.com and click on "Product Safety Recall" for more information.

Owner notification: January 15, 2018 · Filing manufacturer: Thor Motor Coach

02 / COMPONENT BREADTH

What defects are listed for the 2018 Thor Aria?

The most frequent component groups in 2018 Thor Aria campaign records are Equipment (1), Service Brakes, Hydraulic (1), Electrical System (1), Exterior Lighting (1), Service Brakes, Air (1); these counts describe filed campaigns rather than observed failure rates.
Equipment1
Service Brakes, Hydraulic1
Electrical System1
Exterior Lighting1
Service Brakes, Air1

03 / MODEL-YEAR CONTEXT

How the 2018 Thor Aria compares across model years

RecallRoad publishes 3 model-year reports for the Thor Aria, spanning 2017–2019; each year keeps its NHTSA campaign count separate.
Open the complete Thor Aria model history →