2021 Honda Accord Hybrid TSBs
44 Technical Service Bulletins across 6 categories
Engine
30 bulletinsService Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...
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vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).
Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...
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vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...
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vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2022 Accord 1.5Ls (no 2.0L) & FHEVs, as well as 2017-2022 CR-V 1.5Ls (no 2.4L), & 2020-2022 CR-V FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2019-2022 Accord FHEVs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) stored. Customer may also experience engine running rough condition. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
"Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. Qualifiers AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously"
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below. AHM is interested ONLY if the vehicle meets the following requirements: 1. Manufactured date on the Drivers door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been replaced previously.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2018-2021 Accord 1.5Ts & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) or P0172 (Fuel System Too Rich) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Dealer Message - American Honda Motor Co., Inc.
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(AHM) is searching for certain 2021 Accords & CR-V with a customer complaint of a clunk or rattle noise coming from the front suspension. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Electrical
9 bulletinsOwner Notification Letter - a programming issue within the Wireless CarPlay and Android Auto software may cause an...
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invalid "License Authentication Error" message to appear on the display audio screen after approximately 1,500 ignition ON/OFF cycles.
Service Bulletin - On certain 2018-2022 Accord and 2018-22 Accord Hybrid vehicles equipped with the Wireless CarPlay and...
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Android Auto software upgrade, a programming issue within the Wireless CarPlay and Android Auto software may cause an invalid "License Authentication Error" message to appear on the display audio screen after approximately 1,500 ignition ON/OFF cycles.
Owner Notification Letter - Warranty Booklet Emission Warranty Parts List Missing Parts Label Our records indicate...
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that a Safety Recall has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). On some 2021 Accord Hybrids and 2021 CR-V Hybrids, the Parking Pawl Control Module and Parking Pawl Actuator warranty terms information is missing from the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
"Service bulletin - The MIL comes on with DTC P2DE1 (Cold Start Air Fuel Ratio Control System Rich).
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A new cold start emission reduction strategy was applied to detect air fuel ratio abnormalities. When certain fuel and vehicle shutoff conditions are present, the LAF sensor may incorrectly judge the air fuel ratio to be rich."
Dealer message - A new cold start emission reduction strategy was applied to detect air fuel ratio abnormalities.
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When certain fuel and vehicle shutoff conditions are present, the LAF sensor may incorrectly judge the air fuel ratio to be rich.
Owner Notification Letter - On some 2021 Accord Hybrids and 2021 CR-V Hybrids, the Parking Pawl Control Module and...
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Parking Pawl Actuator warranty terms information is missing from the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
Service Bulletin - The Parking Pawl Control Module and Parking Pawl Actuator warranty terms label needs to be applied to...
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the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
Service Bulletin - The Parking Pawl Control Module and Parking Pawl Actuator warranty terms label needs to be applied to...
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the Federal and California Emission Warranties Parts List page within the Warranty Information Booklet.
Service Bulletin - The MIL comes on with DTC U0155 (Lost Communication with Gauge Control Module).
Infotainment
2 bulletinsTech Line Summary Article - Customers may report that the center display unit changes screens on its own, registers...
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unintended inputs, or operates erratically without user interaction. The condition may be more noticeable when vehicle interior temperatures are elevated.
Dealer Message - On August 21st, 2026, American Honda issued a Product Update for certain 2018-2022 Accord and Accord...
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Hybrid models that received the accessory Wireless CarPlay and Android Auto upgrade. Refer to Service Bulletin 26-068 for additional information regarding the Product Update.
Body & Paint
1 bulletinService Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle...
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while turning at low speeds potentially due to the bump stop contacting the top of the front damper body.
Pre-Delivery & Maintenance
1 bulletinService bulletin - There is a rattling coming from the front of the vehicle.
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The rubber damper cap(s) are faulty.
Fuel System
1 bulletinDealer Message - The Parking Pawl system is programmed to illuminate the MIL upon failure.
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The parts are required to be covered by the emission warranty. The related parts were not listed in the Warranty Booklet.