What is a Volkswagen Amarok 2H airbag control unit?
The Volkswagen Amarok 2H airbag control unit is the central safety unit that activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores important crash data, and ensures the proper functioning of all passive safety systems in the vehicle to provide optimal occupant protection.
This electronic unit for the Volkswagen Amarok 2H series (approx. 2010–2016) receives signals from impact sensors. Based on this data, the control unit decides in milliseconds whether the airbags need to be deployed.
Why is the Volkswagen Amarok 2H airbag control unit defective?
A Volkswagen Amarok 2H airbag control unit often fails because it has stored crash data after an accident that requires reinitialization, or due to internal hardware errors caused by aging or voltage spikes. Diagnostics then displays specific error codes that require repair or replacement.
After an accident, airbag control units irreversibly store crash data. This causes the airbag warning light to remain permanently illuminated, making a repair to the Volkswagen Amarok 2H airbag control unit unavoidable before the system can function again.
Even without an accident, a Volkswagen Amarok 2H airbag control unit can exhibit signs of failure. Internal short circuits, age-related material fatigue, or communication errors in the vehicle electrical system can damage the control unit.
Typical signs of a defective control unit include a persistent airbag warning light or the appearance of specific error codes. A precise diagnosis is essential to determine the cause and initiate the appropriate repair.
Common error codes for Volkswagen Amarok 2H airbag control unit repair
During a Volkswagen Amarok 2H airbag control unit repair, specific error codes often occur that indicate internal defects, communication issues, or stored crash data. These codes are crucial for a precise diagnosis to identify why the airbag system is malfunctioning.
- **B1000** → Control unit communication error → Fault in the bus communication of the airbag ECU.
- **0B_70** → Control unit error – Left crash sensor closed (once) → Error stored in the control unit due to a brief contact closure of the left crash sensor.
- **0C_70** → Control unit error – Left crash sensor closed (multiple) → Repeated or permanent short-term contact closures of the left crash sensor in the control unit.
- **0D_70** → Control unit error – Right crash sensor closed (once) → Error stored in the control unit due to a brief contact closure of the right crash sensor.
- **0E_70** → Control unit error – Right crash sensor closed (multiple) → Repeated or permanent short-term contact closures of the right crash sensor in the control unit.
- **54_70 to 5E_70** → Airbag control unit defective (replacement recommended) → Internal hardware or software errors in the airbag control unit that require replacement or repair.
What part numbers are available for the Volkswagen Amarok 2H airbag control unit repair?
For Volkswagen Amarok 2H airbag control unit repairs, there are several verified OEM part numbers that ensure compatibility with the 2H series. These numbers, often from Volkswagen or Bosch, are crucial for identifying the correct control unit for replacement or repair and ensuring safety.
The Volkswagen Amarok 2H airbag control unit is available under various OEM part numbers. These include 2H6880204D, 2H6880204E, and 2H6880204F, which come directly from Volkswagen and were used for specific equipment.
Another common OEM part number for the Amarok 2H is 2K5959655D. This is also listed as a genuine part by Volkswagen and is relevant for airbag control unit repair.
Additionally, Bosch-manufactured control units such as 2H0959655B and 2H0959655 are widely used. Bosch is a primary supplier of airbag ECUs to Volkswagen, which underscores their originality and compatibility.
Accurately matching the part number is crucial during repairs to ensure the replacement part is a perfect fit for your Volkswagen Amarok 2H. Specialist workshops can help identify the correct part number for your vehicle and complete the repair.