Secondary alternator, installed by Thor is improperly installed and not grounded causes multiple failures and fire risk.
2022 Thor Motor Coach Sanctuary
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sanctuary years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
3 reportsSecond alternator repeated failures. Well known issue for these thors with Ballard 170XT alternator
At 10000 miles this developed issues with the transmission not shifting into gear. Dealer repair shop stated the “ISM” is not communicating with the vehicle. After, installing a replacement part, the problem remains.
Official recalls
223V447000 · Equipment:mechanical:carrier/rack
Jun 27, 2023
Thor Motor Coach (TMC) is recalling certain 2022-2024 Tranquility and 2022-2023 Sanctuary motorhomes. The R-bike rack arms may fracture and detach.
Consequence & remedy
Consequence: A bike rack that detaches from the vehicle increases the risk of a crash.
Remedy: Dealers will replace the defective components of the bike rack, free of charge. Owner notification letters are expected to be mailed August 26, 2023. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000297.
22V300000 · Equipment:recreational Vehicle/trailer:lpg Systems:lines And Fittings
May 5, 2022
Thor Motor Coach (TMC) is recalling certain 2022 Scope, Tellaro, Sanctuary, Delano, Sequence, Tranquility, Rize, Synergy, Quantum, Magnitude, Geneva, Compass, Chateau, Four Winds, and 2022-2023 Tiburon, and Gemini vehicles. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.
Consequence & remedy
Consequence: A gas leak in the presence of an ignition source can increase the risk of a fire.
Remedy: Dealers will replace the quick disconnect fittings, free of charge. Owner notification letters were mailed June 27, 2022. Owners may contact TMC customer service at 1-877-855-2867.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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