Check a VIN

September 4, 2026 Other

A software issue was causing the turn signal to stop functioning if the brake pedal was depressed

Tiffin technical service bulletin MCD-017 for 2027 Tiffin Allegro Bus.

Bulletin number
MCD-017 (MCD-017)
Component
Exterior lighting
Summary
A software issue was causing the turn signal to stop functioning if the brake pedal was depressed. Instructions on verifying that the brake lights and turn signals function correctly and if not, how to correct.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Tiffin Allegro Bus?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history