What is a Chrysler Town & Country 3rd Gen airbag control module?
The Chrysler Town & Country 3rd Gen Airbag Control Unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle.
This module, also known as the SRS ORC (Occupant Restraint Controller), is the heart of the passive safety system. It receives signals from impact sensors and decides in milliseconds whether to deploy airbags and seatbelt pretensioners.
In addition to triggering the airbag, it is responsible for continuous system monitoring. A malfunction will cause the airbag warning light in the cockpit to illuminate.
Why is the Chrysler Town & Country 3rd Gen airbag control module defective?
A Chrysler Town & Country 3rd Gen airbag control module typically fails due to internal components being damaged by aging, overvoltage, or an accident. This results in system error messages and the illumination of the airbag warning light. Professional diagnosis and repair are essential to restoring vehicle safety.
Common causes include internal electronic faults that can lead to communication problems. Water damage or a crash that has been stored in the module can also necessitate repair.
Sometimes external factors such as damaged wiring harnesses or faulty sensors can also indirectly affect the function of the control unit, which requires a comprehensive diagnosis during the airbag control unit repair service.
Common error codes for Chrysler Town & Country 3rd Gen Airbag Control Unit Repair
Chrysler Town & Country 3rd Gen airbag control module repairs often result in specific error codes that indicate communication problems with the control module itself, open airbag circuits, or a loss of connection to critical sensors. Accurate interpretation of these codes is essential for successful diagnosis and repair of the defect.
- **B1000** → Control unit communication error → Error within the airbag control unit or its network connection.
- **B1C27** → Left Thorax Squib 1 Circuit Open → Open circuit in the left side airbag circuit, often due to damaged wiring.
- **U0171** → Loss of communication with front right satellite sensor → The control unit is not receiving data from the front right crash sensor.
These error codes directly indicate problems with the airbag control unit. A thorough fault analysis is the first step toward a successful Chrysler Town & Country 3rd Gen airbag control unit repair.
Clearing the error codes after a successful repair is necessary to deactivate the warning light and restore full functionality.
What part numbers are available for the Chrysler Town & Country 3rd Gen airbag control unit repair?
For Chrysler Town & Country 3rd Gen airbag control module repair, it is crucial to identify the correct OEM part number. These numbers ensure compatibility with your specific vehicle model and year. Various revisions exist, with newer numbers often replacing older versions, requiring precise selection for repair.
The exact part number of your defective module is essential for a successful repair or replacement. Chrysler uses specific numbers for different model years and trim levels.
Some known OEM part numbers for the 3rd generation Chrysler Town & Country airbag control module are:
- **4686602AE** (Original Chrysler)
- **4686602AJ** (Original Chrysler, replaces 4686602AH, 4686602AG, 4686602AE, 4686602AI, 4686602AD, 4686602AF)
- **05094018AL** (Original Chrysler)
- **56054223AB** (Genuine Chrysler, replaces 56054223AA)
The airbag control unit often needs to be programmed to the vehicle's VIN if a new or used module is installed without prior repair of the original. A specialized workshop offers comprehensive diagnostic and repair services.