2021 Keystone Cougar: common problems
The maker issued 7 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 7
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 4 |
| Structure | 0 | 0 | 3 |
| Communication | 0 | 0 | 1 |
Comparison
What to check before buying
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Communication. Infotainment, telematics, antennas after body repair.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Revised repair instructions for KSB-221025 - This process describes how to inspect and add an End of Line…
Revised repair instructions for KSB-221025 - This process describes how to inspect and add an End of Line Resistor (EOL) to the In-Command system that may be exhibiting erratic readings on HVAC and/or lose…
- The information and instructions in a Keystone Service Bulletin (KSB) are intended to inform RV dealership…
The information and instructions in a Keystone Service Bulletin (KSB) are intended to inform RV dealership Service Managers/Technicians of situations that may occur with some Recreational vehicles so dealership…
- Dealer letter for CSC-220420
With some models and features, the Display Commander (LCD screen) for the In-Command system, may exhibit erratic readings on HVAC and/or lose communication with components. This is caused because Keystone may not have…
- With some models and features, the Display Commander (LCD screen) for the In-Command system, may exhibit…
With some models and features, the Display Commander (LCD screen) for the In-Command system, may exhibit erratic readings on HVAC and/or lose communication with components. This is caused because Keystone may not have…
- Email to owners regarding campaign 21-406
It has been determined that Polycarbonate skylights used on Alpha Flex and Alpha Ply roof systems may crack. CLOSING NOTICE - This Campaign ends October 31, 2021. All repairs and claims for this campaign must be…
- 2nd mailing to owners for advisory 21-406
It has been determined that Polycarbonate skylights used on Alpha Flex and Alpha Ply roof systems may crack. CLOSING NOTICE - This Campaign ends October 31, 2021. All repairs and claims for this campaign must be…
- It has been determined that Polycarbonate skylights used on Alpha Flex and Alpha Ply roof systems may crack
CLOSING NOTICE - This Campaign ends October 31, 2021. All repairs and claims for this campaign must be submitted on or before October 31st to be considered for reimbursement. Further delay in inspection for defective…
Other years of this model
Questions and answers
What are the most common problems with the 2021 Keystone Cougar?
There are no owner complaints in the NHTSA data for this year; the data comes from 7 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 Keystone Cougar?
NHTSA lists 7 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 Keystone Cougar from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.