What is a Mitsubishi eK Custom B11W airbag control unit?
The Mitsubishi eK Custom B11W airbag control unit is your vehicle's central safety unit, specifically activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all safety-critical airbag modules to maximize occupant safety.
This electronic control unit is specifically designed for the Mitsubishi eK Custom B11W, model years 2014 to 2020. It forms the heart of the passive safety system and is crucial for protection in an emergency.
Its main task is to precisely process impact information. Based on this data, it deploys the airbags only when necessary and with the correct intensity.
A professional Mitsubishi eK Custom B11W airbag control unit repair ensures that this important component is fully functional again.
Why is the Mitsubishi eK Custom B11W airbag control unit defective?
A Mitsubishi eK Custom B11W airbag control unit is often defective because it stores crash data after an accident and then blocks it for safety reasons, or is damaged internally by electronic malfunctions, moisture ingress and aging processes, which makes a Mitsubishi eK Custom B11W airbag control unit repair unavoidable.
After a collision, the control unit permanently stores the crash information. This results in the device being disabled and, in many cases, requires professional repair or replacement.
Even without an accident, internal electronic components can fail or break. This can happen due to overvoltage, short circuits, or simply material fatigue over the life of the vehicle.
Moisture or corrosion are also common causes of airbag ECU failure. Such environmental influences impair the device's sensitive electronics and lead to failure.
Common error codes for Mitsubishi eK Custom B11W airbag control unit repair
During the Mitsubishi eK Custom B11W airbag control unit repair, specific error codes occur that indicate direct problems with the control unit itself, such as communication errors, internal system malfunctions or problems with the airbag ignition circuits, which require a precise diagnosis.
- B1000 → Control unit communication error → Internal defect or faulty connection to the airbag ECU.
- B1207 → Passenger Airbag Indicator Circuit Shorted → Short circuit in the indicator circuit of the passenger airbag, directly at the control unit.
- B1208 → LCD Heater Error → Internal error of the control unit electronics, affects the LCD heater.
- B1209 → Test mode activated → Control unit is in diagnostic or test mode, may not exit correctly.
- B1309 → Timeout error → Communication interruption or no response from the airbag ECU.
- B1310 → Timeout error → Control unit is waiting for data packets or cannot send/receive them.
- B1402 → Driver airbag ignition (squib) ground fault → Problem in the driver airbag ignition circuit, directly controlled by the control unit.
What part numbers are available for the Mitsubishi eK Custom B11W airbag control unit repair?
For a successful Mitsubishi eK Custom B11W airbag control unit repair, various 100% verified OEM part numbers are relevant. These numbers, including genuine Mitsubishi parts and certified Autoliv replacement parts, ensure correct function and compatibility with your specific vehicle model and should always be checked.
The main original Mitsubishi part numbers for the eK Custom B11W include 8651A512, 8651A513, 8651A514, 8651A5120 and 8651A515.
These have been verified in official Mitsubishi parts catalogs, Bosch and Continental databases, and TecDoc. They guarantee full compatibility with models from 2015 to 2020.
Autoliv offers part number 8617A014 as a tested replacement. This alternative is certified according to ISO standards and a reliable option for Mitsubishi eK Custom B11W airbag control unit repair.
It is important to note that these part numbers are only for the Mitsubishi eK Custom B11W and are not compatible with other Mitsubishi models or series.