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2018 Jayco Fifth Wheel SeismicProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2018 Jayco Fifth Wheel Seismic, most often about the fuel/propulsion system. It is covered by 4 safety recalls, and for recall 19V-169 the manufacturer reports only 34% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls4Lowest repair rate 34%Owner complaints10 with a crash, fire or injuryTypical failure mileage4kFuel/propulsion system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 2, 2021. Updated daily.

Complaints by system

Where the 2018 Jayco Fifth Wheel Seismic has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Fuel/propulsion system10
Service brakes10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2018 Jayco Fifth Wheel Seismic recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

35%repaired · 2023 Q3

Recreational vehicle/trailer: lpg systems

Recall 21V-685 · Sep 2, 2021 · 29,825 vehicles · 10,424 repaired

Risk. Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.

Problem, fix and repair progress →

36%repaired · 2020 Q4

Storage: auxillary tank

Recall 19V-172 · Mar 6, 2019 · 758 vehicles · 273 repaired

Risk. The incorrect hardware may fail to properly secure the fuel tank, possibly resulting in the fuel tank detaching from trailer, increasing the risk of a fire.

Problem, fix and repair progress →

34%repaired · 2021 Q1

Service brakes, hydraulic

Recall 19V-169 · Mar 5, 2019 · 73 vehicles · 25 repaired

Risk. Damaged brake lines may reduce the trailer's braking ability, increasing the risk of crash.

Problem, fix and repair progress →

67%repaired · 2020 Q3

Lpg systems: tank assembly

Recall 18V-364 · Jun 1, 2018 · 612 vehicles · 408 repaired

Risk. An unsecured propane tank could detach from the trailer and increase the risk of a crash or leak propane and increase the risk of a fire.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Jayco Fifth Wheel.

Best & worst years

2018 vs. every other Seismic year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Seismic median. How we score

'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Seismic owners report

Recent fuel/propulsion system complaints filed with NHTSA, shortened. Personal details are removed.

BRAKES FAIL DUE TO FAULTY CONNECTORS GAS SPILLAGE DUE TO INCORRECT FUEL TANK FLOW FIRST GOING 65 MPH HAD TO BRAKE AND I ALMOST HIT THE CAR IN FRONT BECAUSE THE TRAILER BRAKES QUIT INTERMITTENTLY ON THE GAS ISSUE WHEN GETTING GAS AT THE GAS STATION THE PORT WHERE YOU PUT THE GAS NOZZLE DOES NOT…
Complaint 11234992 · Jul 26, 2019 · 3,500 miles

Own a 2018 Seismic?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.