Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 99 bulletins for TIFFIN
11-2020
Dec 15, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
No documents or communications to report for the month of November 2020.
10-2020
Nov 9, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
No documents or communications to report for the month of October 2020.
07-2020
Aug 12, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
No documents or communications to report for the month of July 2020.
06-2020
Jul 15, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
No documents or communications to report for the month of June 2020
02-2020
Mar 16, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
No documents or communications to report for the month of February 2020.
TIFF 01-2020
Feb 14, 2020
980000 UNKNOWN OR OTHER
No documents or communications to report for the month of January 2020.
TIFF 12-2019
Jan 15, 2020
350000 EQUIPMENT
There is the possibility the water filter housing is installed incorrectly. If a motorhome has the water filter housing installed incorrectly, there is the possibility of excess air in the water lines.
TIFF-111419-001
Nov 14, 2019
060000 ENGINE AND ENGINE COOLING
On certain 2019 and 2020 Allegro Buses, there is a possibility that the tile floor in the rear area of the motor home may become warm after driving for an extended period of time due to engine compartment heat leaking past insulation of the
TIFF-102019-001
Oct 2, 2019
980000 UNKNOWN OR OTHER
No documents or communications to report for the month of September 2019.
SB-56
Jan 25, 2018
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
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
SB-55
Jun 5, 2017
110000 ELECTRICAL SYSTEM
Possibility that the wires connecting the air conditioners to the 120 volt AC load center were not properly installed. If this wiring is not corrected there could be some nuisance tripping of the generator circuit breakers.
SB-50 Customer L
Dec 15, 2016
356000 EQUIPMENT ADAPTIVE/MOBILITY
SB-50 was reported to you July 2016. We notified a few before ZF Systems contacted us telling us to hold up. They thought the recall would be cancelled due to more testing that had been done. In Dec. we received notice to cancel. We sen
SB-54
Jul 14, 2016
356000 EQUIPMENT ADAPTIVE/MOBILITY
There is a possibility that the screws secruing the rear spoiler were not properly installed. Over time, these screws could start to back out, causing the spoler to loosen. Tiffin sent out work instructions on securing the rear spoiler scr
SB-53
May 13, 2016
356000 EQUIPMENT ADAPTIVE/MOBILITY
Possibility that a wire on the electic compressor that is part of the air leveling system may not be properly connected, thus impacting leveling.
SB-52
Feb 8, 2016
100000 POWER TRAIN
Some of the awning wires were not properly terminated on some 2016 45OP Allegra Buses. The specific wires only have power on them when the awning is being opened or closed. If this wiring is not corrected, some damage to the awning's circui
SB-51
Jan 20, 2016
100000 HYBRID POWERTRAIN: INVERTER
Some 2016 Allegro Bus Motorhome could possibly have an inverter installed that was manufactured incorrectly.
256-356-8661
Oct 20, 2015
021244 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-49
Aug 11, 2015
356000 EQUIPMENT ADAPTIVE/MOBILITY
TIFFIN MOTORHOMES: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. TWO MISPLACED WIRES FOR GENERATOR, WERE NOT SHIPPED FOR SOME MOTORHOMES, AND GENERATOR WILL FAIL TO START CORRECTLY DUE TO BEING THE AGS
CSC-10058558-557
Aug 5, 2015
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-48
Aug 5, 2015
350000 EQUIPMENT
TIFFIN MOTORHOMES: TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. INFORMATION PROVIDED ON INSTRUCTIONS FOR INSTALLING LOCK WASHERS FOR HOUSE BATTERY DISCONNECT SOLENOID. MODEL 2016 ALLEGRO RED, PHAETON A
16AWG
Jul 16, 2015
113100 ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
RV: INSTRUCTIONS ON HOW TO INSTALL THE CHARGE SOLENOID WIRING IN A RV OR VEHICLE. *TA
SB-44
Jan 13, 2015
137100 VISIBILITY:REAR WINDOW WIPER/WASHER:SWITCH/WIRING
TIFFIN MOTORHOMES: TSB CONTAINS NOTIFICATION OF OWNER LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME 2015 PHAETONS AND ALLEGRO BUSES UPGRADING WIRING HARNESS THAT WAS INSTALLED ON 2015 PHAETONS AND ALLEGRO BUSES. *TA
SB-46
Jan 9, 2015
113100 ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
TIFFIN MOTORHOMES: THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME OF THE 2015 ALLEGRO BREEZES DIDN'T HAVE THE CHARGE SOLENOID CONNECTED WHEN IT WAS BUILT. IF THE CHARGE SOLENOID ISN'T CONNECTED, TH
SB-42
Jun 11, 2014
121000 EXTERIOR LIGHTING:HEADLIGHTS
TIFFIN MOTORHOMES: ALL 2014 ALLEGRO CHASSIS MODELS EQUIPPED WITH MOBILEYE MAY EXPERIENCE PROBLEMS WITH HEADLIGHTS WHEN MOBILEYE SEES DEFEAT SIGNAL AS SOON AS IT COMMANDS HIGH BEAMS ON AND IMMEDIATELY COMMANDS THEM OFF. HEADLIGHTS WILL CONTI
WI-269
May 23, 2014
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
TIFFIN MOTORHOMES: EXHAUST TIP AND PIPES TO THE MUFFLER ON PHAETON MODELS NEEDS TO BE INSTALLED. *TA