The contact owns a 2018 Tiffin Phaeton RV. The contact stated that while driving approximately 60 MPH, the dashboard instrument cluster lights suddenly began to flash off and on and the Diesel Emission Fluid (DEF) sensor light remained illuminated before the vehicles decelerated independently to 5 MPH. The vehicle was driven to a nearby service center(unknown) and the Diesel Emission Fluid sensor was replaced, and the failure was remedied. The manufacturer was notified of the failure. The local dealer was not contacted. The failure mileage was 22,000.
Engine & cooling
2018 Tiffin Phaeton Engine problems
Owners have filed 1 complaint about the 2018 Tiffin Phaeton's engine & cooling with NHTSA - 33% of all its complaints, most recently on September 3, 2021. They describe 1 crash, 0 fires and 0 injuries. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 1
- Recalls
- 0
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine complaints
Tiffin Phaeton engine complaints by year
Phaeton engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data