Jayco Fifth Wheel Seismic: problems, complaints, bulletins
Summary for the Jayco Fifth Wheel Seismic across 9 model years: 0 owner complaints and 10 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 14 |
| Electrical system | 0 | 0 | 3 |
| Fuel system | 0 | 0 | 3 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- SRP (Standard Repair Procedure) Instructions on how to calibrate secondary fuel gauge display
- Missing Loft Railing
- The battery disconnect is not shutting off power to the motor functions when in the âoffâ position
- JAYCO AND ENTEGRA COACH STORAGE TIPS
- INSTRUCTIONS FOR RESETTING LEVELING SYSTEM âZERO POINTâ
- Fuel tank fill system slow filling or non filling
- Certain Dexter Axles equipped with electric over hydraulic (E/H) brake actuators may not be compatible…
- Informational bulletin for repair that requires the removal of pullout cabinet extension drawers
- Add ground loop isolator between TV and radio to elimanate audio noise
- Heat Vent omitted in the cargo area
Other models of this make
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.