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Service bulletins for the 2020 Honda Civic

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

168 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
A20090C2020-09-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:ADAS; SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE. ServiceNews Article - Resting your foot on the brake pedal while driving can cause the ACC, Collision Mitigation Braking System, and Road Departure Mitigation indicators to come on. It also sets DTC C0041-14 (brake switch signal circuit error).
APaS083120202020-09-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS082420209062020-09-04. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 Civics with a customer complaint of the rear view camera screen appearing blank, foggy or blurry. To better 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.
APaS080720209012020-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS061220202020-06-18. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS051220202020-05-19. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
AMV2005022020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
AMV2005012020-05-19. Service bulletin. EQUIPMENT. Video Message - It concerns how to replace a leaky front rocker arm oil control valve. Due to a deteriorated lower gasket or an out-of-spec gasket groove, the front rocker arm oil control valve can leak in certain V6 models with variable cylinder management. To fix this issue service bulletin A20-023 was posted. Please let us know if you would like a copy of the video sent to you on a DVD or thumb drive.
APaS030520202020-03-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS022020209032020-02-25. Service bulletin. POWER TRAIN; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020 Civic Si's with a customer complaint of clutch judder on take off under 1,000 RPM. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS021920202020-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
A16040B2020-02-25. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. ServiceNews Article - 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.
APaS011620209032020-01-23. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020 Civic Si's with a customer complaint of clutch judder on take off under 1,000 RPM. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
APaS122020192020-01-08. Service bulletin. EQUIPMENT. Dealer Message - We've noticed an unprecedented demand for A/C compressors which at times has created a backorder situation. The majority of the compressors returned were analyzed and proven leak free. As you are aware, there is Warranty Extension for Civic Condensers (Service Bulletin 19-091) for a leak problem. This bulletin provides detailed information on how to use the Bosch ROBLD020 Dual Mode Refrigerant Gas Leak Detector which should be used to confirm a leak at the compressor.
APaS111420199092019-11-20. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019-2020 Civic 2.0Ls with a customer complaint of an oil leak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.