Tiffin WAYFARER problems and owner complaints

IN JULY OF 2020 THE LEFT FRONT WHEEL SENSOR FAILED CAUSING ABS/CRUISE CONTROL AND RSC TO FAIL. ON JANUARY 18TH, 2021 THE LEFT REAR WHEEL SPEED SENSOR FIALED PROVIDING FAULT CODE C0037. THE ABS/CRUISE CONTROL AND RSC FAILED. SYMPTOMS INCLUDE TRANSMISSION SHIFT ISSUES AND SPEED ISSUES. NORMAL DRIVING CONDITIONS AND IT WAS NOTSET OF BY HIGH WINDS AS REPORTED BY OTHER OWNERS. THIS FAILURE IS CAUSING AN UNSAFE DRIVING CONDITION. I WAS DRIVING AT 60 MPH ON THE HIGHWAY NORMAL WEATHER NO RAIN OR WINDS.

Owner-reported narrative. 21,000 miles reported. Look up ODI 11388780 at NHTSA ↗

Answers to NHTSA questions. Q. What component or system failed or malfunctioned, and is it available for inspection upon request? A. I don’t know if a system failed or malfunctioned, I only know how the system performed under the described conditions. Q. How was your safety or the safety of others put at risk? A. My safety and the safety of others were put at risk because the vehicle slammed on the brakes causing other drivers to respond to avoid a collision. Q. Has the problem been reproduced or confirmed by a dealer or independent service …

Owner-reported narrative. Look up ODI 11560733 at NHTSA ↗

The RV currently is sitting at MB of Modesto where it can be inspected. The issue, when we attempted to rotate the rotatable front passenger seat, and an Airbag error was displayed on the dash and the vehicle was disabled, would not start. When we rotated the seat back we assumed it took pressure off of the wiring harness and the error disappeared and the vehicle started. We tried to rotate the seat back to its secure position but wires had become tangled under the seat and we could not secure the seat. We wanted to drive the RV to MB of Mo…

Owner-reported narrative. Look up ODI 11700377 at NHTSA ↗

On April 20, 2026 we discovered our 2025 Tiffin Wayfarer was experiencing a thermal runaway of the house battery charging system. The coach was in storage at a public RV storage facility. Our unit is a single enclosed unit with a roll up door. When we opened the bay door, we could tell the entire storage bay and coach were severely filled with toxic H2S gas. After the bay had been allowed to ventilate, I disconnected the shore power to stop the charging process. I called Tiffin Motorhomes Tech Support the next day and spoke with the Wayfar…

Owner-reported narrative. Look up ODI 11738087 at NHTSA ↗

Vehicle flashed a warning that Active Distance Assistance was not functional, and within a few minutes started to veer left, as if there was a flat tire (which there was not), so I was trying to keep it centered in my lane when the steering wheel suddenly turned counterclockwise in my hands and swerved the vehicle to the hard left into an oncoming lane. I had to hit the brakes hard and yank the steering wheel back to the right to bring the vehicle back into my lane, just barely avoiding on coming cars, who had slowed when they saw me coming at …

Owner-reported narrative. Look up ODI 11469045 at NHTSA ↗

Discovered diesel fuel leaking in area of Onan generator. Attempted to find fuel shutoff, but none existed, so I kinked fuel line and used zip tie to stop Diesel from leaking. Next, I removed air filter housing, in order to find cause of leak, and found fuel leaking from return fuel line at y connection. The fuel line leaking, was leaking at a connection of where the hose connected to a y junction, and the barb, at the junction was too large for the rubber hose, causing the hose to split because causing a fuel leak. Dealership was contact…

Owner-reported narrative. Look up ODI 11493226 at NHTSA ↗