2018 Honda Accord Hybrid Technical Service Bulletins

63 technical service bulletins (TSBs) are on record for the 2018 Honda Accord Hybrid. 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.

• 11038789Oct 15, 2026Electrical system. Owner Notification Letter - 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.
• 11038473Oct 1, 2026Electrical system. Tech Line Summary Article - Customers may report that the center display unit changes screens on its own, registers unintended inputs, or operates erratically without user interaction. The condition may be more noticeable when vehicle interior temperatures are elevated.
• 11037690Sep 25, 2026Engine. Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause 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).
• 11037426Sep 16, 2026Electrical system. Dealer Message - On August 21st, 2026, American Honda issued a Product Update for certain 2018-2022 Accord and Accord 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.
• 11037300Sep 10, 2026Forward collision avoidance, Lane departure. Owner Notification Letter - Honda has developed software updates to the Honda Sensing system to enhance driver experience by modifying the circumstances when the advanced driver assist system (ADAS) decelerates the vehicle or the extent of deceleration. The software covers Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS), and Road Departure Mitigation (RDM).
• 11036424Aug 26, 2026Engine. Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
• 11036405Aug 26, 2026Engine. Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
• 11036326Aug 21, 2026Electrical system. Service Bulletin - On certain 2018-2022 Accord and 2018-22 Accord Hybrid vehicles equipped with the Wireless CarPlay and 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.
• 11035781Jul 31, 2026Forward collision avoidance, Lane departure. Service Bulletin - Honda has developed software updates to the Honda Sensing system to enhance driver experience by modifying the circumstances when the advanced driver assist system (ADAS) decelerates the vehicle or the extent of deceleration. The software covers Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS), and Road Departure Mitigation (RDM).
• 11035885Jul 24, 2026Forward collision avoidance. Service Bulletin - American Honda has identified a condition that may affect Collision Mitigation Braking System (CMBS) operation. Due to software programming issues of the Advanced Driver Assistance System (ADAS), unexpected vehicle deceleration may occur.
• 11011786Dec 6, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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…
• 11010678Nov 13, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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…
• 11010112Oct 30, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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…
• 11009200Oct 17, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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…
• 11009168Oct 11, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 11008039Sep 21, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 11007891Sep 11, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 11006807Aug 26, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 11006815Aug 23, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 11005519Jul 26, 2024Engine. Dealer Message - American Honda Motor Co., Inc. (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.
• 10244663Oct 25, 2023Vehicle speed control. Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing due to snow and ice getting stuck to the front of the millimeter wave radar. This can cause DTC P2583-76 (Temporary stop of Integrated Driver Support System [Misalignment Millimeter Wave Radar]) to be stored.
• 10244299Oct 17, 2023Vehicle speed control, Forward collision avoidance. Service News - If an Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, inform the customer it is likely due to snow or ice buildup on the radar. Advise the customer of the following procedure to clean the front grille where the radar is located.
• 10233670Mar 27, 2023Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10232967Mar 10, 2023Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10232246Feb 23, 2023Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10231829Feb 7, 2023Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been…
• 10230593Jan 18, 2023Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.
• 10229680Jan 3, 2023Vehicle speed control, Steering, Suspension, Brakes. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for any & all 2018-2022 Accord Hybrids, 2020-2022 CR-V Hybrids & 2019-2022 Insights that match the criteria listed below.
• 10228194Dec 13, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10227233Nov 28, 2022Brakes, Equipment. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10226207Nov 12, 2022Brakes. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10225474Oct 25, 2022Brakes. "Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not…
• 10222812Oct 6, 2022Equipment. Dealer Message - American Honda Motor Co., Inc. (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 Driver’s door jamb must be between 1/2019 & 9/2021. 2. No DTC stored. 3. Electric Servo Brake (ESB) system has not been…
• 10219531Aug 23, 2022Electrical system. Service bulletin - On February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. As of August 23, 2022, the Product Improvement Campaign has ended. The TCU can no longer be updated using Over The Air updates. If the customer needs to restore TCU services, the only option is to replace the TCU. This would be done as a customer pay repair.
• 10211075May 1, 2022Suspension. Service bulletin - There is a rattling coming from the front of the vehicle. The rubber damper cap(s) are faulty.
• 10207789Feb 3, 2022Equipment. Owner Notification Letter - On some 2018 Accord and Accord Hybrid models, the exterior paint around the roof seam area may peel off. To ensure your confidence in your vehicle, American Honda is extending the warranty on the paint of the affected vehicles to 7 years from original date of purchase with no mileage limitation. This warranty extension does not apply to other paint issues like rock chips, scratches, bird…
• 10205951Dec 23, 2021Electrical system. Service Bulletin - In February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications.
• 10205456Dec 17, 2021Body and structure. Dealer Message - Today, December 17, 2021, American Honda is announcing a warranty extension for certain 2018 Accord and Accord Hybrid vehicles produced by Honda Marysville Auto Plant with Still Night Pearl or Obsidian Blue Pearl paint to address concerns with peeling paint around the roof seam. American Honda is extending the paint warranty coverage to 7 years from the original date of purchase with no mileage…
• 10205455Dec 17, 2021Body and structure. Service Bulletin - This warranty extension applies only to certain 2018 Accord and Accord Hybrid vehicles painted B-575P Still Night Pearl or B-588P Obsidian Blue Pearl paint. The exterior paint around the Accord roof seam area may peel off. American Honda is extending the warranty on the paint of the affected vehicles to 7 years from original date of purchase with no mileage limit.
• 10204245Dec 2, 2021Electrical system. Owner Notification Letter - On February of 2022, the 3G network will no longer support the in-vehicle services that previously were supported for your vehicle. The Telematics Control Unit (TCU) in your vehicle must be updated using the Over the Air (OTA) update to connect to the VoLTE network to continue communications. Honda strongly recommends updating your vehicle as soon as possible.
• 10203503Nov 9, 2021Electrical system. Dealer Message - Today, November 9, 2021, American Honda is announcing a product improvement campaign (PIC) for certain 2018-2020 Accord and 2019-2020 Insight vehicles to update the telematics control unit (TCU) software for an upcoming network service change. Do an iN VIN status inquiry to determine which units in your inventory are affected.
• 10203502Nov 9, 2021Electrical system. Service Bulletin - In February of 2022, the 3G network will no longer support the in-vehicle services that the vehicle has previously supported. The Telematics Control Unit (TCU) using the Over the Air (OTA) update is required to connect to the VoLTE network to continue communications.
• 10201454Sep 10, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (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.
• 10199345Jul 6, 2021Visibility (wipers, defrost, mirrors). Owner Notification Letter - On some 2018-20 Accord Hybrid models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem.
• 10198684Jun 30, 2021Seats. Service Bulletin - There is a whining, squeak, or squeal type noise coming from the driver's seat frame when adjusting the seat.
• 10198766Jun 29, 2021Electrical system. Service Bulletin - There is a booming or humming noise coming from the speakers while driving at highway speeds.
• 10197646Jun 11, 2021Visibility (wipers, defrost, mirrors). Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the…
• 10196761Jun 3, 2021Suspension. Service Bulletin - There is a rattling coming from the front of the vehicle.
• 10194978May 28, 2021Visibility (wipers, defrost, mirrors). Dealer Message - Today, May 28, 2021, American Honda is announcing a warranty extension for certain 2018-2020 Accord and Accord Hybrid, 2018-2020 Civic, 2017-2021 Civic Hatch, 2017-2021 Civic Type R, 2018-2021 Clarity PHEV, and 2019-2021 Insight vehicles. This warranty extension covers the A/C condenser to address concerns of leaking refrigerant. American Honda is extending the warranty on the A/C condenser to 10…
• 10194922May 28, 2021Visibility (wipers, defrost, mirrors). Service Bulletin - American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the…

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