2018 Honda Civic Technical Service Bulletins

236 technical service bulletins (TSBs) are on record for the 2018 Honda Civic. 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.

• 10163799Aug 9, 2019Equipment. Dealer Message - Today, August 9, 2019, American Honda is announcing a warranty extension for certain 2016-18 Civic 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 from the original 3 years to 10 years from the original date of purchase.
• 10163796Aug 9, 2019Equipment. 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 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, tiny holes may develop in the condenser tube walls that allows the refrigerant to leak out.
• 10163410Jul 30, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10163181Jul 18, 2019Electrical system, Transmission and drivetrain. Service Bulletin - The shift position indicator ("D" light) starts flashing due to DTC P2817, (Shift solenoid valve O/P [pressure control solenoid H] stuck off) being set. When the TCM checks the drive pulley oil pressure, it misreads the pressure as high even though oil pressure is within specification.
• 10163173Jul 8, 2019Engine cooling. Owner Notification Letter - Some 2016-18 Civic vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes (DTCs) P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too…
• 10163172Jul 8, 2019Engine cooling. Owner Notification Letter - Some 2016-18 Civic vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes (DTCs) P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too…
• 10163171Jul 8, 2019Equipment, Engine cooling. Owner Notification Letter - Some 2016-18 Civic vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes (DTCs) P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too…
• 10163142Jul 8, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10162456Jul 3, 2019Electrical system. Dealer Message - The July episode of Tech2Tech is now posted. We've got some valuable information for you, so check it out! This month we're featuring "Important Advice When Unplugging Electrical Connectors."
• 10162455Jul 2, 2019Electrical system. Dealer Message - The July episode of Tech2Tech is now posted. We've got some valuable information for you, so check it out! This month we're featuring "Important Advice When Unplugging Electrical Connectors."
• 10162454Jul 1, 2019Electrical system. Video Message - It concerns the shift indicators and switch backlighting not working on 2016-2019 Civics. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
• 10162081Jun 30, 2019Electrical system. Video Message - It concerns the shift indicators and switch backlighting not working on 2016-2019 Civics. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
• 10161644Jun 19, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10161643Jun 18, 2019Engine cooling. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
• 10161641Jun 18, 2019Engine cooling. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
• 10160913May 31, 2019Equipment, Electrical system. Service Bulletin - The 12-pin connector cavity in the back of the audio unit/audio-navigation unit is intentionally empty. It's used as a service port for other markets, so never try plugging into it.
• 10160594May 24, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10159790May 7, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10159518May 2, 2019Engine cooling. Owner Notification Letter - On 2016-18 Civic vehicles equipped with the 1.5 liter turbocharged engine, there are reports of vehicles experiencing driveability concerns. These concerns can result in the malfunction indicator lamp (MIL) turning on.
• 10159438Apr 25, 2019Transmission and drivetrain. Service Bulletin - The shift position indicator ("D" light) starts flashing due to DTC P2817, (Shift solenoid valve O/P [pressure control solenoid H] stuck off) being set. When the TCM checks the drive pulley oil pressure, it misreads the pressure as high even though oil pressure is within specification.
• 10159036Apr 18, 2019Engine cooling. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10158743Apr 5, 2019Transmission and drivetrain, Engine. Dealer Message - Today, April 5, 2019, American Honda is announcing a warranty extension for certain 2016-18 Civic and 2017-18 CR-V vehicles due to drivability concerns. American Honda is extending the powertrain warranty on the camshafts and rocker arm assemblies from the original 5 years/60,000 miles to 6 years/unlimited miles from the original date of sale.
• 10158742Apr 5, 2019Engine. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
• 10158739Apr 5, 2019Equipment. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
• 10158736Apr 5, 2019Equipment. Service Bulletin - This bulletin is replaced by S/B 19-033, Warranty Extension: 2016-18 Civic 1.5L: Software Update with A/C Control Unit Replacement; DTC P0300, P0301, P0302, P0303, P0304, or P0172; Whirling Noise from Engine. If you did Service Bulletin 19-012 on or before April 5th, 2019, use the Warranty Claim Information provided below.
• 10158748Apr 2, 2019Engine. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10155365Mar 20, 2019Engine. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10154477Mar 5, 2019Equipment, Electrical system. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) to set.
• 10154474Mar 5, 2019Electrical system, Equipment. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich).
• 10154181Feb 26, 2019Engine. Engineering Request for Investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10154160Feb 25, 2019Engine. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-2019 Civic 2.0Ls with a customer complaint of an oil leak. 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.
• 10153446Feb 15, 2019Engine cooling, Electrical system. Service Bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich) or a whirling noise coming from the engine compartment.
• 10152809Feb 1, 2019Engine cooling, Electrical system. "Service bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich)."
• 10152769Jan 31, 2019Equipment. "Dealer message - American Honda has previously announced product update campaigns for certain 2016-18 Civic and 2017-18 CR-V vehicles with the 1.5L turbo engine for engine oil dilution. Repair Update The AC control unit replacement procedure has been changed to a software reflash procedure.
• 10152742Jan 12, 2019Engine cooling, Equipment. "Service bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich)."
• 10152747Jan 11, 2019Engine cooling. "Dealer message - American Honda issued four service bulletins addressing drivability concerns that may cause DTC’s to set in affected vehicles."
• 10152729Jan 2, 2019Engine. Dealer message - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
• 10152436Dec 22, 2018Equipment, Engine cooling, Electrical system, Engine. "Service bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich)."
• 10152439Dec 21, 2018Engine, Equipment, Transmission and drivetrain. "Dealer message - On December 5, 2018, American Honda announced a product update campaign for certain 2017-18 CR-V vehicles with the 1.5L turbo engine that were sold in 21 cold-weather states. Today, American Honda is expanding the scope of this product update to include certain 2016-18 Civic vehicles with the 1.5L turbo engine. This applies to vehicles in the same 21 states.
• 10152435Dec 21, 2018Equipment, Engine, Electrical system. "Service bulletin - Under certain circumstances, the vehicle may experience driveability issues which may result in DTCs P0300 (random misfire detected), P0301 (No. 1 cylinder misfire detected), P0302 (No. 2 cylinder misfire detected), P0303 (No. 3 cylinder misfire detected), P0304 (No. 4 cylinder misfire detected), or P0172 (fuel system too rich)."
• 10150275Nov 26, 2018Engine. Dealer message - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
• 10150420Nov 20, 2018Engine. Engineering request for investigation - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
• 10149636Nov 13, 2018Engine. Dealer message - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
• 10147184Oct 26, 2018Engine cooling. Dealer message - American Honda (AHM) is investigating certain 2018 Accords & Civic Type-Rs with customer complaint of oil leak from the timing chain case cover. To fully 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.
• 10146068Oct 17, 2018Suspension. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Civics with a customer complaint of a noise coming from the front when going over a bump or turning. The noise can be described as clicking or knocking. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10145435Oct 2, 2018Suspension. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Civics with a customer complaint of a noise coming from the front when going over a bump or turning. The noise can be described as clicking or knocking. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10145394Sep 17, 2018Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Civics with a customer complaint of a noise coming from the front when going over a bump or turning. The noise can be described as clicking or knocking. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10145030Sep 7, 2018Suspension, Equipment, Body and structure. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Civics with a customer complaint of a noise coming from the front when going over a bump or turning. The noise can be described as clicking or knocking. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10144377Aug 31, 2018Body and structure. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 Civics with a customer complaint of a noise coming from the front when going over a bump or turning. The noise can be described as clicking or knocking. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
• 10144375Aug 28, 2018Equipment. Servicenews article - If you're having trouble aligning the front millimeter wave radar, or if DTC P2583-76 is present and does not clear after re-aiming, inspect the radar mounting clips and bracket. Check that the mounting bracket is not bent or out of shape. Check if the radar unit for play by trying to twist it. If there is play, remove the radar unit and check each mounting clip for damage. Replace all clips…

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