2020 THOR MOTOR COACH QUANTUM — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
9
Recalls
1
Service Bulletin
0
Investigations
Overview of the 2020 THOR MOTOR COACH QUANTUM
The 2020 THOR MOTOR COACH QUANTUM has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 18 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM, SEATS. 1 technical service bulletin have been issued by Thor Motor Coach for this model year.
Recalls for the 2020 THOR MOTOR COACH QUANTUM
NHTSA has recorded 18 recalls for the 2020 THOR MOTOR COACH QUANTUM, potentially affecting up to 8,745 vehicles.
Recall 20V711000 — ELECTRICAL SYSTEM
| 1,074 vehicles affected
Defect: Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak, Four Winds, Chateau, Freedom Elite, Quantum motorhomes built on a Chevrolet chassis. The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.
Consequence: Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Remedy: TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge. The recall began January 13, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000206.
View full details →Recall 20V711000 — ELECTRICAL SYSTEM
| 1,074 vehicles affected
Defect: Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak, Four Winds, Chateau, Freedom Elite, Quantum motorhomes built on a Chevrolet chassis. The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.
Consequence: Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Remedy: TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge. The recall began January 13, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000206.
View full details →Recall 20V444000 — SEATS
| 463 vehicles affected
Defect: Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The wiring harnesses for the front seats may have been routed incorrectly and could become jammed and damaged in...
Consequence: If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.
Remedy: Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August 13, 2020. Owners...
View full details →Recall 20V444000 — AIR BAGS
| 463 vehicles affected
Defect: Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The wiring harnesses for the front seats may have been routed incorrectly and could become jammed and damaged in...
Consequence: If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.
Remedy: Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August 13, 2020. Owners...
View full details →Recall 20V444000 — ELECTRICAL SYSTEM:WIRING
| 463 vehicles affected
Defect: Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The wiring harnesses for the front seats may have been routed incorrectly and could become jammed and damaged in...
Consequence: If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.
Remedy: Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August 13, 2020. Owners...
View full details →Recall 20V303000 — ELECTRONIC STABILITY CONTROL (ESC)
| 34 vehicles affected
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).
Consequence: 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...
View full details →Recall 20V303000 — ELECTRICAL SYSTEM:WIRING
| 34 vehicles affected
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).
Consequence: 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...
View full details →Recall 20V303000 — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
| 34 vehicles affected
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).
Consequence: 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...
View full details →Recall 20V308000 — EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
| 566 vehicles affected
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.
Consequence: 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....
View full details →Recall 20V308000 — POWER TRAIN:AUTOMATIC TRANSMISSION
| 566 vehicles affected
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.
Consequence: 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....
View full details →Recall 20V312000 — STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
| 566 vehicles affected
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.
Consequence: 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...
View full details →Recall 20V312000 — SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
| 566 vehicles affected
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.
Consequence: 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...
View full details →Recall 20V178000 — POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
| 22 vehicles affected
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...
Consequence: 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...
View full details →Recall 20V178000 — POWER TRAIN:DRIVELINE:DRIVESHAFT
| 22 vehicles affected
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...
Consequence: 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...
View full details →Recall 19V714000 — EQUIPMENT:OTHER:LABELS
| 101 vehicles affected
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...
Consequence: 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...
View full details →Recall 19V609000 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
| 1,941 vehicles affected
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.
Consequence: 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...
View full details →Recall 19V775000 — ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
| 378 vehicles affected
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,...
Consequence: 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...
View full details →Recall 19V775000 — SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
| 378 vehicles affected
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,...
Consequence: 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...
View full details →Owner Complaints for the 2020 THOR MOTOR COACH QUANTUM
No complaints have been filed with NHTSA for the 2020 THOR MOTOR COACH QUANTUM.
Safety Rating for the 2020 THOR MOTOR COACH QUANTUM
NHTSA has not yet tested the 2020 THOR MOTOR COACH QUANTUM in its New Car Assessment Program.
Technical Service Bulletins for the 2020 THOR MOTOR COACH QUANTUM
Thor Motor Coach has issued 1 technical service bulletin (TSBs) for the 2020 THOR MOTOR COACH QUANTUM. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
RC000210SAOwner — STEERING
Model/Model Year to Add: 2017 Chateau 2017-2018 Chateau Citation 2017 Four Winds 2017-2019 Gemini 2017-2019 Quantum 2017-2019 Four Winds Siesta 2017-2019 Synergy 2018 Compass 2018 Freedom Elite 2021 Sanctuary 2021Tranquility PLEASE NOTE- Due to being unaware that chassis recall notifications we provide to TMC Owners and Dealers would need to...
NHTSA Investigations for the 2020 THOR MOTOR COACH QUANTUM
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the THOR MOTOR COACH QUANTUM
- 2016 THOR MOTOR COACH QUANTUM — 1 complaint
- 2017 THOR MOTOR COACH QUANTUM — 0 complaints
- 2018 THOR MOTOR COACH QUANTUM — 1 complaint
- 2019 THOR MOTOR COACH QUANTUM — 0 complaints
- 2020 THOR MOTOR COACH QUANTUM (current)
- 2021 THOR MOTOR COACH QUANTUM — 0 complaints
- 2022 THOR MOTOR COACH QUANTUM — 1 complaint
- 2023 THOR MOTOR COACH QUANTUM — 0 complaints
- 2024 THOR MOTOR COACH QUANTUM — 6 complaints
- 2025 THOR MOTOR COACH QUANTUM — 0 complaints
Other THOR MOTOR COACH Models
- THOR MOTOR COACH HURRICANE — 63 total complaints
- THOR MOTOR COACH PALAZZO — 55 total complaints
- THOR MOTOR COACH WINDSPORT — 55 total complaints
- THOR MOTOR COACH A.C.E. — 50 total complaints
- THOR MOTOR COACH CHALLENGER — 43 total complaints
- THOR MOTOR COACH MIRAMAR — 39 total complaints
- THOR MOTOR COACH OUTLAW — 34 total complaints
- THOR MOTOR COACH FOUR WINDS — 31 total complaints