2018 Honda Clarity Fuel Cell
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2018 Clarity Fuel Cell are official communications between Honda & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #A19050B
ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't , the VSA indicator may come on along with one or more VSA DTCs. Read More »
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TSB #A15060D
Service news article - To prevent damage during shipping, leather-wrapped steering wheels come with a protective plastic covering. Read More »
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TSB #A15060D
Service news article - To prevent damage during shipping, leather-wrapped steering wheels come with a protective plastic covering. Read More »
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TSB #APaS12052018901
"Dealer message - AHM is studying the current replacement need for the ION filter (PN 3H450-5WM-A01). We would like to collect several samples in the field for this study. Read More »
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TSB #A18110B
"ServiceNews Article - When replacing the fuel cell stack, make sure you bleed the air from the fuel cell insulating system exactly as called out in the fuel cell insulating fluid replacement procedure in the service information. Read More »
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TSB #A17070B
Servicenews article - The Clarity Fuel Cell vehicle has two very different cooling systems. One system cools the fuel cell system; the other one cools the inverter system. Read More »
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TSB #A20-092
Service Bulletin - The customer cannot refuel the vehicle completely at certain hydrogen stations. Read More »
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TSB #A20-061
Service Bulletin - The MIL comes on with DTC P1FBF (air pump controller failure [internal failure warning]) during startup. Read More »
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TSB #A19-006
Service Bulletin - Water improperly discharged inside the fuel cell (FC) stack mixes with hydrogen and oxygen, generating hydrogen peroxide. Read More »
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TSB #A19-054_version3
Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. Read More »
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TSB #A19-006
Service Bulletin - Water improperly discharged inside the fuel cell stack mixes with hydrogen and oxygen, generating hydrogen peroxide. Read More »
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TSB #A19-054
Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. Read More »
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TSB #A19-006
"Service bulletin - The telematics system is reporting deterioration of the fuel cell stack. This deterioration can reduce fuel cell output. Read More »
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TSB #A20-061
Service Bulletin - The MIL comes on with DTC P1FBF (air pump controller failure [internal failure warning]) during startup. Read More »
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TSB #ONL6CK03052019
Owner Notification Letter - On 2017-18 Clarity Fuel Cell vehicles, the software that monitors the temperature in the fuel cell tank may not be up to date. Read More »
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TSB #A19-006
Service Bulletin - The telematics system is reporting deterioration of the fuel cell stack. This deterioration can reduce fuel cell output. Read More »
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TSB #ONL6CK09212022
Owner's Notification Letter - Product Update - Our records indicate that a Product Update has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). Read More »
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TSB #A22090A
Dealer Message - In the event you experience a sub tank wire harness rodent damage on the 2017a??2020 Clarity FCV, after repairing / replacing the wire harness, wrap the areas shown below with RODENT DETERRENT TAPE, P/N 4019-2317. Read More »
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TSB #A19-006
Service Bulletin - Water improperly discharged inside the fuel cell (FC) stack mixes with hydrogen and oxygen, generating hydrogen peroxide. Read More »
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TSB #A19-054_version3
Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. Read More »
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TSB #A19-054_version2
Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. Read More »
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TSB #A19-006
Service Bulletin - Water improperly discharged inside the fuel cell stack mixes with hydrogen and oxygen, generating hydrogen peroxide. Read More »
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TSB #A19-054
Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. Read More »
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TSB #ABOM01142019901
"Dealer message - Today American Honda is notifying dealers of two product updates affecting certain 2017-18 Clarity Fuel Cell vehicles. The first is a software update to the hydrogen tank temperature sensors. Read More »
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TSB #A19-001
"Service bulletin - The vehicle may incorrectly set DTC P1F76 (main hydrogen tank temperature sensor malfunction) or P1F77 (sub hydrogen tank temperature sensor malfunction). The fuel cell communication control (IR) software is not current. Read More »
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TSB #A19-006
"Service bulletin - The telematics system is reporting deterioration of the fuel cell stack. This deterioration can reduce fuel cell output. Read More »
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TSB #ONL6CK03052019
Owner Notification Letter - On 2017-18 Clarity Fuel Cell vehicles, the software that monitors the temperature in the fuel cell tank may not be up to date. Read More »
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TSB #ABOM01142019901
"Dealer message - Today American Honda is notifying dealers of two product updates affecting certain 2017-18 Clarity Fuel Cell vehicles. The first is a software update to the hydrogen tank temperature sensors. Read More »