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January 25, 2018 Service bulletin

There is the possibility that the merge solenoid may not connect the chassis batteries to the house...

Tiffin technical service bulletin SB-56 for 2018 Tiffin Phaeton and 2018 Tiffin Bus.

Bulletin number
SB-56
Component
Electrical system: 12v/24v/48v battery
Summary
There is the possibility that the merge solenoid may not connect the chassis batteries to the house batteries when the engine is running. 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.

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