2020 Tiffin Wayfarer Technical Service Bulletins

14 technical service bulletins (TSBs) are on record for the 2020 Tiffin Wayfarer. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11019966Jun 9, 2025Exterior lighting. Stopped using the lights we had been using due to expense. Replaced with these, but these new lights have to be wired in instead of just clicking in. These are the instructions to wire in.
• 10244880Oct 10, 2023Equipment. Tiffin is asking dealers to check placement of the cooktop LPG line on 2017-2020 Wayfarer motorhomes that come in to their shops, equipped with either a countertop garbage chute or an under the counter mounted microwave. Making sure that LPG line is fastened away from garbage chute and/or the under the counter mounted microwave , so that it does not rub against a metal surface.
• 10240357Jul 6, 2023Electrical system. On certain Sprinter vehicles, the fuse layout of the interior heating ventilation and air conditioning (HVAC) blower motor might not meet the requirements for prolonged operation at the highest blower setting. The interior blower motor circuit may be inadequate, which can allow the wiring harness to overload. Consequently, a risk of fire during operation and a risk of injury cannot be ruled out.
• 10235507Apr 13, 2023Electrical system, Visibility (wipers, defrost, mirrors). On certain Sprinter vehicles, the fuse layout of the interior heating ventilation and air conditioning (HVAC) blower motor might not meet the requirements for prolonged operation at the highest blower setting. The interior blower motor circuit may be inadequate, which can allow the wiring harness to overheat. Consequently, a risk of fire during operation and a risk of injury cannot be ruled out.
• 10232211Feb 16, 2023Transmission and drivetrain. Mercedes-Benz AG, the manufacturer of Mercedes-Benz Sprinter vans, has determined that a defect, which relates to motor vehicle safety, exists in certain Model Year 2019-2022 Mercedes-Benz Sprinter vehicles. a component of the vehicle's park lock system might fatigue, which can cause the parking pawl not to engage and result in a vehicle rollaway. This may increase the risk of a crash.
• 10230955Jan 5, 2023Brakes. Mercedes-Benz Safety Recall #22V-796 A component of the vehicle's park lock system might fatigue, which can cause the parking pawl not to engage and result in a vehicle rollaway. This may increase the risk of a crash.
• 10225836Oct 17, 2022Equipment. Customer Service Advisory was sent regarding Mercedes Benz Recall # 22V360, The communication module's SIM card could become disabled and prevent a connection with a mobile phone network. In this case, the digital owner's manual as well as the automatic eCall function would not be available, which could preclude or delay the arrival of emergency responders. This could increase the risk of an injury following an…
• 10227505Oct 4, 2022Equipment. Checking of wheel liners for proper securement and verification they are not loose, missing screws, or misaligned.
• 10216855Jul 18, 2022Equipment, Engine cooling, Transmission and drivetrain. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Sprinter vehicles, the Engine Control Unit (ECU) software, Transmission Control Unit (TCU) software and Dosing Control Unit (DCU) software does not correspond to current series production specifications. An authorized Mercedes-Benz Sprinter dealer will update the Engine Control Unit (ECU) software, Transmission…
• 10216847Jul 13, 2022Other or unknown, Equipment. MBAG has determined that on certain Mercedes-Benz Sprinter vehicles, the communication module's SIM card might become disabled and prevent a connection with a mobile phone network. In this case, the manual as well as the automatic eCall function would not be available, which could preclude or delay the arrival of emergency responders. This might increase the risk of an injury following an emergency event.
• 10215324Jun 21, 2022Visibility (wipers, defrost, mirrors). Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz Sprinter vans, has determined that on certain Sprinter vehicles, the display function of the rearview camera might be impaired. In some instances the rearview image might not be displayed in the central display after engaging the reverse gear. Instead, the central display would continue to display the existing screen image (e.g.
• 10213099May 4, 2022Back-over prevention (rear camera), Air bags. Mercedes-Benz's NHTSA #21V-055 recall for "Updating "eCall" Software.
• 10208783Feb 21, 2022Brakes, Electronic stability control. MBAG was notified of customer complaints claiming a van had "rolled away" after the driver had selected the Park ("P") gear position and P was displayed to the driver in the instrument cluster. MBAG confirmed that if the vehicle is not properly secured in accordance with the parking instructions in the vehicle Operator's Manual, in particular by always engaging the parking brake after shifting to P, the vehicle…
• 10202139Sep 23, 2021Electrical system. Blocked Air Return - It has come to our attention that some 2020, 2021 and 2022 Wayfarer Motorhomes have an air return that is blocked by a wood panel. If the air return vent is blocked this could cause the furnace to not operate properly which would cause difficulty in heating the motorhome.

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