Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SB-78
It has come to Tiffin Motorhomes attention that on certain 2025 GT1 motorhomes, the Spyder control panel may not be displaying the correct battery voltage. Tiffin Motorhomes will install a new harness to allow the Spyder control panel to display correct battery voltage and clear "charge batteries" when the batteries are at 100%.
SB-76
It has come to our attention that on certain 2025 GT1 motorhomes, the wiring for the battery heat and the Spyder memory are not connected to the house battery. If the wiring is not corrected, the battery setting will not be saved when the coach is turned off.
MCD-010
Instructions to relocate the Sirius XM radio antenna on 2023-2026 Light Vehicle B-Van units for improved signal reception. On certain units the Sirius XM antenna signal may be blocked intermittently by the solar panels. Tiffin Motorhomes has instructions and parts for relocating the antenna to a different location on the roof for owners having issues with their radio reception. Letter and instructions were sent out.
MCD-013
Instructions sent out to install an Eco-Cool Soft Start onto a Greer air conditioner. Instructions only, no letter.
MCD-011
To move the exterior lighting from chassis power to house power.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.