2018 Tiffin Phaeton TSBs

Instead engine software was temporarily modified to account for continued operation with a faulty sensor until replacement sensors were available. This campaign will install an engine control module calibration as well as confirm and/or install a new DEF header.

defect that exists on specific model year 2017 - 2022 Freightliner Custom Chassis X-Line chassis manufactured February 20, 2017 through November 18, 2021 that are equipped with a valve stem extension and stabilizer configured with a specific tire valve stem and wheel combination. Tiffin Motorhomes built motorhomes on these specific Freightliner chassis between April, 2017 through December 6, 2021. Certain chassis may have been built with the tire valve stem extension for the inner wheel contacting the outer wheel rim opening, potentially damaging the valve stem resulting in a loss of air pressure in the inner tire. A loss of air pressure in the inner tire on a motorhome with a single drive axle may overload the outer tire and increase the risk of a crash.

If a motorhome has the water filter housing installed incorrectly, there is the possibility of excess air in the water lines.

the motorhome plugged into shore power. This could lead to the house batteries not charging while plugged into shore power. To repair this, the multiplex system program needs to have a programming update installed. Tiffin included parts and instructions needed to update the system by taking to our dealer or a reputable dealer of their choice free of charge to customer.

This would accur when the house battery voltage is too low. This could cause the house batteries not to charge while the engine is running and the house battery voltage is low. Tiffin included parts and work instructions for customer to take to our dealer or reputable service center of their choice free of charge to customer.

Replaced with these, but these new lights have to be wired in instead of just clicking in. These are the instructions to wire in.

Freightliner chassis units built on by Tiffin.

We knew our coaches on the dealers' lots contained Kidde and could not be sold unreplaced.