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2018 Entegra CornerstoneProblems, recalls & complaints

NHTSA has logged 4 owner complaints about the 2018 Entegra Cornerstone, most often about the engine. It is covered by 4 safety recalls, and for recall 17V-695 the manufacturer reports only 55% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls4Lowest repair rate 55%Owner complaints40 with a crash, fire or injuryTop problem4Engine

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 1, 2021. Updated daily.

Complaints by system

Where the 2018 Entegra Cornerstone has problems

4 complaints 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
Engine40
Fuel/propulsion system30

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

4 recalls

2018 Entegra Cornerstone 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.

55%repaired · 2020 Q2

Exterior lighting

Recall 17V-695 · Nov 3, 2017 · 1,598 vehicles · 878 repaired

Risk. Without the required reflectors, the motorhome may be less visible to other drivers, increasing the risk of a crash.

Problem, fix and repair progress →

81%repaired · 2018 Q4

Front: control arm

Recall 17V-187 · Mar 17, 2017 · 2,161 vehicles · 1,741 repaired

Risk. A separated ball joint can cause a loss of steering control, increasing the risk of a crash.

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 Entegra.

Best & worst years

2018 vs. every other Cornerstone 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 Cornerstone median. How we score

'08'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Cornerstone owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

While driving across Florida, the “Check Engine” light and first of three DEF Head “Service Codes” on our 2018 Entegra Cornerstone 45’ RV came on, indicating that our Diesel Exhaust Fluid (DEF) system had an issue. From previous social media posts from other Entegra Owners, we immediately contacted…
Complaint 11427332 · Aug 1, 2021
Vehicle has approximately 30,800 miles. A check engine light with error codes SPN: 3364, 1761, 3331 indicating a failure of the DEF ( diesel exhaust fluid) sensor. This results in a degrade in performance to a point of engine shutdown. Replacement parts are very hard to obtain because this error is…
Complaint 11421805 · Jun 22, 2021
DEF sensor failed twice. Potential engine derate or shut down. Problem well known to chassis manufacturer. Failure announced by Check Engine Light and three well known codes. Time or distance to derate/shutdown is unknown, and consequently could result in a large motor home stopped on the road.
Complaint 11419480 · Jun 3, 2021

Own a 2018 Cornerstone?

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