2018 Honda Fit TSBs
48 manufacturer communications for the 2018 Honda Fit sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2018 Fit problem report covers complaints, recalls, and investigations.
What the bulletins cover
Most recent service bulletins
The 20 most recent of 48 communications on file. The complete set is searchable on NHTSA's page for this vehicle.
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To better understand the cause of this condition, AHM would like to…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To better understand the cause of this condition, AHM would like to…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To better understand the cause of this condition, AHM would like to…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To better understand the cause of this condition, AHM would…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To better understand the cause of this condition, AHM would…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To better understand the cause of this condition, AHM would…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To better understand the cause of this condition, AHM would…
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To better understand the cause of this condition, AHM would…
Owner Notification Letter - On some 2018-2019 Fit vehicles, a combination of carbon deposits on the intake valves and the PGM-FI software settings may lead to reduced combustion stability under certain circumstances. This results in a misfire being detected and Malfunction…
Dealer Message - American Honda is announcing a warranty extension for certain 2018-2019 Fit vehicles. American Honda is extending the warranty coverage for valve cleaning and software installation due to carbon buildup on the valves with misfire DTCs (P0300-P0304) on these…
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301–P0304 (cylinder misfire detected) due to carbon buildup on the intake valves may be affecting combustion.
Service Bulletin - A combination of carbon deposits on the intake valves and the PGM-FI software settings may lead to reduced combustion stability under certain circumstances. This results in a misfire being detected and DTC stored.
"Service news article - When diagnosing a Fit within the above VIN range with a misfire complaint, start by doing service bulletin, 21-007 (Carbon Buildup with Misfire DTCs) instead of replacing fuel injectors. These vehicles use an improved injector design that addresses the…
Service bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301–P0304 (cylinder misfire detected). Carbon buildup on the intake valves may be affecting combustion.
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
ServiceNews Article - When diagnosing a Fit within the above VIN range with a misfire complaint, start by doing service bulletin 21-007 (Carbon Buildup with Misfire DTCs) instead of replacing fuel injectors. These vehicles use an improved injector design that addresses the…
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
Dealer Message - Released on April 30th, service bulletin 21-007 addresses random or single-cylinder misfire concerns on 2015-2020 Fit models. Part of the corrective action involves cleaning the intake ports of any carbon buildup using a media blaster (carbon cleaning tool).
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.