Vehicle Safety Data

2021 THOR MOTOR COACH QUANTUM — Problems, Recalls & Safety Data

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N/A

Safety Rating

0

Owner Complaints

4

Recalls

ACTIVE RECALL

1

Service Bulletin

0

Investigations

Overview of the 2021 THOR MOTOR COACH QUANTUM

The 2021 THOR MOTOR COACH QUANTUM has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 9 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM, ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. 1 technical service bulletin have been issued by Thor Motor Coach for this model year.

Recalls for the 2021 THOR MOTOR COACH QUANTUM

NHTSA has recorded 9 recalls for the 2021 THOR MOTOR COACH QUANTUM, potentially affecting up to 3,702 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.

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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.

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Recall 20V419000 — ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

| 63 vehicles affected

Defect: Thor Motor Coach (TMC) is recalling certain 2021 Daybreak, Four Winds, Quantum, Chateau, and Freedom Elite motorhomes built on the 2020 Ford E-Series chassis. The battery cable may not have been properly secured within the chassis rail, which can cause it to contact the exhaust manifold and heat shield.

Consequence: Battery cable contact with the exhaust manifold and heat shield can increase the risk of a fire.

Remedy: TMC will notify owners, and dealers will inspect the routing of the battery cable. If needed the cable will be re-routed and properly secured, free of charge. This recall began September 11, 2020. Owners may contact TMC customer service at...

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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...

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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...

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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...

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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...

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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...

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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...

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Owner Complaints for the 2021 THOR MOTOR COACH QUANTUM

No complaints have been filed with NHTSA for the 2021 THOR MOTOR COACH QUANTUM.

Safety Rating for the 2021 THOR MOTOR COACH QUANTUM

NHTSA has not yet tested the 2021 THOR MOTOR COACH QUANTUM in its New Car Assessment Program.

Technical Service Bulletins for the 2021 THOR MOTOR COACH QUANTUM

Thor Motor Coach has issued 1 technical service bulletin (TSBs) for the 2021 THOR MOTOR COACH QUANTUM. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

TSB 20-01 — ELECTRICAL SYSTEM

From November 2020 to February 2021, units produced at Plant 250 have a wire missing that would cause the 120VAC load shedding to not work properly. This affects model year 2021 31E, 31EV, 31W, 31WV, SL31, SE31, LF31, and WS31 floor plans with the 2 A/C option

NHTSA Investigations for the 2021 THOR MOTOR COACH QUANTUM

There are no NHTSA defect investigations on record for this vehicle.

Other Model Years of the THOR MOTOR COACH QUANTUM

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Other THOR MOTOR COACH Models

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