Airbag control unit with part number A2C80613411

What is the function of the airbag control unit A2C80613411?

The airbag control unit A2C80613411, manufactured by Continental, is the central safety module for the Renault Captur I (2013–2019). It continuously monitors the vehicle’s sensors and is responsible for precisely activating occupant protection systems—such as airbags and seatbelt pretensioners—in the event of a crash to safeguard occupants.

As the brain of the passive safety system, this control unit processes data from the vehicle’s acceleration and pressure sensors. In the event of a collision, it determines within milliseconds which restraint systems need to be deployed to provide optimal protection for the vehicle’s occupants.

The unit often carries the alternative reference number 985105123R and is designed as an original equipment manufacturer (OEM) replacement part directly from Continental for the Renault Captur. Its role is to ensure the continuous operational readiness of all connected components and to issue a warning to the driver in case of malfunctions.

Why does the A2C80613411 control unit fail?

The most common cause of failure for the A2C80613411 control unit is the permanent storage of crash data after an accident, which prevents further functionality. Internal electronic faults, indicated by error code C1605, are also a typical reason for complete system failure.

Even if no airbags were deployed during a crash, the unit stores so‑called crash data—a safety measure that prevents reuse without professional diagnostics. This data generally cannot be erased using standard diagnostic tools, resulting in permanent deactivation of the system.

Another frequent issue is an internal defect on the circuit board, often logged in the fault memory as code C1605 (“Test not completed” or “internal fault”). Causes may include faulty circuits, defective components, or software problems. Regardless of warning lights, the control unit must be inspected after every crash incident.

In rare cases, related but non‑identical part numbers such as 8201229153 may be installed in similar vehicles, though they might have different specifications.

How do you recognize a fault in the A2C80613411?

A defective A2C80613411 control unit primarily manifests as a permanently illuminated airbag warning light on the instrument cluster. Often, the control unit can no longer be read by a diagnostic tool due to disrupted communication, making precise fault analysis at the workshop difficult.

The most obvious symptom is the airbag warning light, which fails to turn off after the engine starts. This indicates a serious malfunction in the restraint system, meaning the airbags would not deploy in the event of a crash.

During a workshop diagnosis, communication with the control unit may fail entirely. The device does not respond to requests from the diagnostic tool, suggesting a total failure of its internal electronics.

If communication remains possible, error code C1605 is frequently displayed. This code directly points to an irreparable internal fault within the control unit itself, necessitating either replacement or professional repair.

In which vehicles is the A2C80613411 control unit installed?

The airbag control unit A2C80613411 is specifically fitted to the first-generation Renault Captur (model J5_, H5_). This covers model years from 2013 to 2019 and includes various engine options, such as the 0.9 TCe, 1.2 TCe, 1.3 TCe, and the 1.5 dCi diesel engine.

At Airbag24, we repair the A2C80613411 control unit for the following model:

Renault Captur I (models J5_, H5_), model years 2013, 2014, 2015, 2016, 2017, 2018, and 2019.

Compatibility spans the entire Captur I lineup, including popular gasoline (TCe) and diesel (dCi) engines ranging from 90 to 150 horsepower.

How is the A2C80613411 professionally repaired?

Professional repair at Airbag24 involves a detailed fault analysis of the original A2C80613411 control unit. Stored crash data is erased (crash reset), defective electronic components are replaced with genuine parts, and the software is restored before a final functional test ensures full operability.

After submitting the removed, unopened unit to Airbag24, a standardized repair process begins. First, a precise fault analysis is conducted using specialized diagnostic equipment to identify the exact cause of the defect.

Subsequently, the necessary repair steps are carried out, including safely erasing crash data, repairing circuits, and replacing faulty components exclusively with original parts. Following repairs, the unit’s software is reset to factory settings.

After successful repair, each control unit undergoes a comprehensive functional test on a test bench. The repaired control unit comes back with all vehicle data and is ready for immediate use after reinstallation — coding or programming is not necessary. We provide 2 years' statutory liability for defects on every repair.