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C1110 on the 2023 Honda Civic

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name C1110
ATI&040820269012026-04-13. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings equipped with an automatic transmission with a customer complaint of DTCs C1110-13 (Left-Rear Electric Parking Brake Actuator Circuit Open) & C1100-94 (Electric Parking Brake Actuator Malfunction) stored. Customer may also notice intermittent or persistent warning lights on the MID (Multi-Information Display) such as brake system problems, LKAS (Lane Keeping Assist System), and ACC (Adaptive Cruise Control) lights. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.
ATI&032520269072026-04-03. Other. Dealer Message - American American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings equipped with an automatic transmission with a customer complaint of DTCs C1110-13 (Left-Rear Electric Parking Brake Actuator Circuit Open) & C1100-94 (Electric Parking Brake Actuator Malfunction) stored. Customer may also notice intermittent or persistent warning lights on the MID (Multi-Information Display) such as brake system problems, LKAS (Lane Keeping Assist System), and ACC (Adaptive Cruise Control) lights. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.
ATI&031720269022026-03-24. Other. Dealer Message - American American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings equipped with an automatic transmission with a customer complaint of DTCs C1110-13 (Left-Rear Electric Parking Brake Actuator Circuit Open) & C1100-94 (Electric Parking Brake Actuator Malfunction) stored. Customer may also notice intermittent or persistent warning lights on the MID (Multi-Information Display) such as brake system problems, LKAS (Lane Keeping Assist System), and ACC (Adaptive Cruise Control) lights. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.
ATI&030320269062026-03-16. Other. Dealer Message - American American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings equipped with an automatic transmission with a customer complaint of DTCs C1110-13 (Left-Rear Electric Parking Brake Actuator Circuit Open) & C1100-94 (Electric Parking Brake Actuator Malfunction) stored. Customer may also notice intermittent or persistent warning lights on the MID (Multi-Information Display) such as brake system problems, LKAS (Lane Keeping Assist System), and ACC (Adaptive Cruise Control) lights. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.