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RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2020 Thor Motor Coach Chateau recalls

NHTSA's September 21, 2026 snapshot lists 7 safety recall campaigns for the 2020 Thor Motor Coach Chateau, 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 campaigns7not VIN-specific
Component groups7distinct top-level categories
Latest recordMay 28, 2020report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2020 Thor Motor Coach Chateau recall campaigns

The 2020 Thor Motor Coach Chateau report contains 7 distinct NHTSA campaigns; the most recently received record is campaign 20V312000 dated May 28, 2020.
Component
SERVICE BRAKES, HYDRAULIC, STRUCTURE
Report received
May 28, 2020
Potential units
566campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes Benz Sprinter chassis [platform 907 (VS30)]. The rear part of the fender liner on the front axle may contact and chafe the brake hose, possibly resulting in a loss of brake fluid.

Why it matters: If the brake fluid leaks, this may extend the braking distance, increasing the risk of a crash.

Remedy

TMC will notify owners, and an authorized Mercedes-Benz dealer will inspect the brake hoses for chafing and replacement if necessary. The fender liner will also be altered to permit more clearance. All repairs will be performed free of charge. This recall began June 25, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000191.

Owner notification: June 25, 2020 · Filing manufacturer: Thor Motor Coach

Component
EQUIPMENT, POWER TRAIN
Report received
May 27, 2020
Potential units
566campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes-Benz Sprinter chassis [platform 907 (VS30)] equipped with automatic transmissions. The owner's manual does not correctly specify the certain conditions under which the automatic parking function (Auto-P) operates.

Why it matters: If a customer were to rely on the Auto-P function as described in the Operator's Manual, the possibility of a vehicle rollaway or unintended vehicle movement cannot be ruled out which could increase the risk of a crash.

Remedy

TMC will notify owners, and a Mercedes Benz dealer will supplement the Operator's Manual with a correct description of the Auto-P function equipped in the vehicle. This recall began June 25, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000190.

Owner notification: June 25, 2020 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 20V303000

Component
ELECTRICAL SYSTEM, ELECTRONIC STABILITY CONTROL (ESC), SERVICE BRAKES, HYDRAULIC
Report received
May 27, 2020
Potential units
34campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2020-2021 Quantum, Chateau and Four Winds, and 2020 Vegas and Axis motorhomes built on a Ford E-series chassis. A wire harness in the rear of the vehicle may contact the vehicle frame, resulting in damage to the circuits that support the fuel pump and the anti-lock braking system (ABS).

Why it matters: Damage to the fuel pump circuit in the wiring harness could result in an unexpected engine stall. Damage to the ABS wiring can lead to reduction of ABS functionality and a loss of roll stability control (RSC) functionality. These scenarios increase the risk of a crash.

Remedy

TMC will notify owners, and Ford dealers will inspect the wire harness for damage. If no damage is found, dealers will apply anti-abrasion tape over the area and ensure clearance to surrounding components. If damage is found, dealers will splice in new wire and apply anti-abrasion tape over the area and ensure clearance to surrounding components. All services will be performed free of charge. The recall The recall began June 25, 2020., 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000189.

Owner notification: June 25, 2020 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 20V178000

Component
POWER TRAIN
Report received
March 25, 2020
Potential units
22campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2020 Chateau 31W and 31WV, Quantum KW29 and LF31, Vegas 24.1 and Axis 24.1 motorhomes and 2020-2021 Four Winds 24F, 28Z, and 31E motorhomes built on a Ford chassis. The rear axle differential may have an insufficient amount of fluid, possibly resulting in a failure of the rear axle assembly and a driveshaft separation.

Why it matters: If the driveshaft separates, there may be a loss of drive, increasing the risk of crash. Additionally, if the parking brake is not applied, unintended vehicle movement can occur if the transmission is left in Park, increasing the risk of injury or crash.

Remedy

Ford will notify owners, and Ford or Lincoln dealers will inspect the rear axle differential fluid level and adjust it, or replace the rear axle as necessary, free of charge. The recall is began May 22, 2020. Owners may contact Ford customer service at 1-866-436-7332 or TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000188.

Owner notification: March 19, 2020 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 19V775000

Component
ELECTRICAL SYSTEM, SEAT BELTS
Report received
October 28, 2019
Potential units
378campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2019-2020 Chateau 22B, 22E, 23U, 24F, 25V, and 28A, Daybreak 22GO, Four Winds 22B, 22E, 24F, 26B and 28A, Freedom Elite 22HE and 2020 Quantum GR22, and SE22 motorhomes. The seatbelt-unfastened warning light will not illuminate for approximately five seconds after the ignition is moved to the "on" or "start" position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection.".

Why it matters: Without the seatbelt warning reminder, the driver may forget to fasten the seatbelt, increasing the risk of injury in the event of a crash.

Remedy

GM will notify TMC owners, and dealers will reprogram the instrument panel cluster, free of charge. The recall began October 3, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, GMC customer service at 1-800-462-8782 or TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000177.

Owner notification: October 3, 2019 · Filing manufacturer: Thor Motor Coach

Component
EQUIPMENT
Report received
October 8, 2019
Potential units
101campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2014 Tuscany 36M, 40E, 2015 Citation 24SL, Siesta 24SL, Axis 25.1 and Vegas 25.1, 2016 Four Winds 31E, 31W, 35SF, Chateau 31E, 31W, Synergy SD24, Citation 24SL, 24SS and Siesta 24SL, 24SS, 2017 Four Winds 31E, 31W, Chateau 31E, 35SD, Citation 24SS and Siesta 24SS, 2018 Citation 24SS and Siesta 24SS, 2019 Quantum CR24, Four Winds 24BL, Citation 24MB and Siesta 24MB and 2020 Quantum CR24, Citation 24MB, Siesta 24MB, Chateau 24BL and Synergy 24MB vehicles. The Occupant and Cargo Carrying Capacity (OCCC) label has the incorrect carrying capacity listed, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Wheels and Rims - Other Than Passenger Cars.".

Why it matters: An inadvertently overloaded motorhome due to an incorrect carrying capacity can increase the risk of a crash.

Remedy

TMC will notify owners, and dealers will issue new OCCC labels with correct seating positions and weight calculations, free of charge. The recall began November 21, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000176.

Owner notification: November 21, 2019 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 19V609000

Component
ELECTRICAL SYSTEM
Report received
August 20, 2019
Potential units
1,941campaign-wide
Defect and consequence

Defect: Thor Motor Coach (TMC) is recalling certain 2020 Chateau, Daybreak, Four Winds, Freedom Elite, Majestic, Outlaw and Quantum motorhomes. The battery cables may loosen on the battery isolation manager (BIM) or battery isolation relay (BIR), causing premature BIN/BIR failure or electrical arcing.

Why it matters: The loose connection can causing arcing, increasing the risk of a fire.

Remedy

TMC will notify owners, and dealers will install lock washers to properly secure the battery cable to the BIM/BIR. If the cable was loose, dealers will also replace the BIM/BIR, free of charge. The recall began October 10, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000172.

Owner notification: October 10, 2019 · Filing manufacturer: Thor Motor Coach

02 / COMPONENT BREADTH

What defects are listed for the 2020 Thor Motor Coach Chateau?

The most frequent component groups in 2020 Thor Motor Coach Chateau campaign records are Electrical System (3), Equipment (2), Power Train (2), Service Brakes, Hydraulic (2), Seat Belts (1); these counts describe filed campaigns rather than observed failure rates.
Electrical System3
Equipment2
Power Train2
Service Brakes, Hydraulic2
Seat Belts1

03 / MODEL-YEAR CONTEXT

How the 2020 Thor Motor Coach Chateau compares across model years

RecallRoad publishes 8 model-year reports for the Thor Motor Coach Chateau, spanning 2011–2020; each year keeps its NHTSA campaign count separate.
Open the complete Thor Motor Coach Chateau model history →