2021 Honda Civic
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2021 Civic 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 #A20-036
Service bulletin - There is a rattling coming from the front of the vehicle. The rubber damper cap(s) are faulty. Read More »
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TSB #A20-036
Service Bulletin - There is a rattling coming from the front of the vehicle. Read More »
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TSB #ATI&09102021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&06032021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&10052021904
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&09102021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&08252021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&08092021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&07222021904
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&07072021908
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&09102021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&03282023902
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&03132023905
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&12132022906
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2. Read More »
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TSB #ATI&11282022905
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2. Read More »
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TSB #ATI&11072022902
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2. Read More »
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TSB #ATI&10212022901
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2. Read More »
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TSB #ATI&10062022904
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2021 Accord 2.0Ls & Civic 2. Read More »
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TSB #ATI&07262022902
Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. Read More »
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TSB #ATI&07112022903
Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. Read More »
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TSB #ATI&06222022901
Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. Read More »
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TSB #SS1023006
SS 1023006A Successful Regen Reference for EPA 07 MBE 900 Engines Read More »
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TSB #ATI&03282023902
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&03132023905
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&01032023907
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&08092021901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) ... Read More »
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TSB #ATI&07202021901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) ... Read More »
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TSB #ATI&07012021
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) ... Read More »
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TSB #ATI&06152021904
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) ... Read More »
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TSB #ATI&01032023907
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #A22-017
Service bulletin - Customer complains that the manual transmission will not shift, the clutch is slipping, or the vehicle won??A???A???A?t move when in gear. Read More »
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TSB #ATI&04152024904
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or frozen (Civics and ... Read More »
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TSB #ATI&03252024906
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics, 2020-2022 CR-Vs, 2022-2023 Pilots & Passports with a customer complaint of the center display flickering, flashing, or frozen (Civics and ... Read More »
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TSB #ATI&03212024910
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&02292024906
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&02152024901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&01032023901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #ATI&01032023907
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&12132022904
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of an inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #ATI&11282022901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS11082022901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS11022022902
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS10242022905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS09272022903
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS08222022901
Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #APaS07272022901
Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display with no prior repairs made to the vehicle. Read More »
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TSB #ATI&09072021901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 Civics, CR-Vs & HR-Vs with a customer complaint of the audio screen turning black, blank or inop. Read More »
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TSB #A21-068
Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing. Read More »
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TSB #ATI&08092021901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018-2021 Accord 1.5Ts, Civic Sis & CR-Vs with a customer complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected) ... Read More »
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TSB #AATS210301
Tech Line Summary Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we ... Read More »
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TSB #A21060B
ServiceNews Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, let them know that we are aware of ... Read More »
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TSB #AATS210301
Tech Line Summary Article - If you have a customer stating their Apple iPhone 12 (all models: iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max) does not charge when using the wireless charger, please let them know that we ... Read More »
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TSB #ATI&01032023907
Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020-2022 Accords, CR-Vs, Odysseys, Passports, Pilots, Ridgelines, 2020 Fits, 2020-2021 Civic Hatchbacks, 2020-2023 Civic Sedans/Coups with a customer ... Read More »
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TSB #ATI&11282022901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #ATI&01032023901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 Civics & CR-Vs with a customer complaint of a inop, blank, or black meter display (gauge cluster) with no prior repairs made to the vehicle. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #ONL6A506122023
Owner Notification Letter - Due to a new North America regulation that introduced a new refrigerant and oil requirement, the compressor shaft seal may leak. The new refrigerant and oil may cause swelling of the compressor shaft seal. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #ABOM05192023901
Dealer Message - Due to supplier process concerns, the A/C compressor may not have been manufactured to specifications. Read More »
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TSB #AST&04252023901
Dealer Message - We have identified a potential concern with GUIDE, AC COMP SEAL 07AAG-5AAA100, which was a part of 6CVC SEAL REPLACEMENT KIT, 07AAC-5AAA1Z0 that was recently sent to all Honda dealers. Read More »
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TSB #A23-012
Service Bulletin - Customers have complained of the air conditioning system not blowing cold air due to the oil/refrigerant leak from the A/C compressor main shaft seal. Read More »
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TSB #ONLG5O07062021
Owner Notification Letter - On some 2016-21 Civic 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. Read More »
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TSB #A19-091
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. Read More »
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TSB #A19-091
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. Read More »
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TSB #ABOM05282021
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 ... Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement, the compressor shaft seal may leak. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #ONL6A506122023
Owner Notification Letter - Due to a new North America regulation that introduced a new refrigerant and oil requirement, the compressor shaft seal may leak. The new refrigerant and oil may cause swelling of the compressor shaft seal. Read More »
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TSB #A23-039
Service Bulletin - Due to a new North America regulation which introduces a new refrigerant and oil requirement the compressor shaft seal may leak. Read More »
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TSB #ABOM05192023901
Dealer Message - Due to supplier process concerns, the A/C compressor may not have been manufactured to specifications. Read More »
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TSB #A23-012
Service Bulletin - Customers have complained of the air conditioning system not blowing cold air due to the oil/refrigerant leak from the A/C compressor main shaft seal. Read More »
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TSB #A21100B
ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. Read More »
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TSB #A21100B
ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. Read More »
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TSB #A21-068
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. Read More »
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TSB #A21080A
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. Read More »
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TSB #A21100B
ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. Read More »
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TSB #A21-068
Service Bulletin - The ACC system error message comes on while driving when outside temperatures are low/near freezing. Read More »
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TSB #A21080A
"ServiceNews Article - When returning the vehicle to the client, inform them that if the message Adaptive Cruise Control System Problem comes back on when the vehicle is driven in freezing conditions, it is likely because of snow or ice ... Read More »
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TSB #A21080A
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. Read More »
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TSB #ATI&06222022901
Dealer message - American Honda (AHM) is investigating certain 2019-2022 Civic & CR-V 1.5Ts with customer complaint of oil leak from the timing chain case cover. Read More »
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TSB #ATI&08092021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »
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TSB #ATI&02292024906
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&02152024901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&02152024901
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics & 2020-2022 CR-Vs with a customer complaint of the center display flickering, flashing, or frozen. Read More »
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TSB #ATI&08092021905
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 Civics with a customer complaint of long brake pedal travel, almost reaching the floor. Read More »