What is a Dodge Caravan NS airbag control unit?
The Dodge Caravan NS airbag control module is the central safety unit in your minivan, activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors and stores important crash data, ensuring the proper functioning of your vehicle's entire safety system. Without a functioning module, safety in the event of a collision is not guaranteed.
This module, also known as the Occupant Restraint Controller (ORC) or SRS module, is responsible for analyzing impact signals.
It is a safety-critical component that controls the precise deployment of the airbags at the right moment.
Why is the Dodge Caravan NS airbag control unit defective?
The Dodge Caravan NS airbag control unit often fails because crash data is permanently stored in the module after an accident, preventing its further function. Internal electronic errors, overvoltage damage, or internal software problems can also cause failure, making a Dodge Caravan NS airbag control unit repair inevitable.
If a vehicle has been involved in an accident, the airbag control unit locks its error memory.
This lock must be removed by a special reset service so that the module is fully functional again and the airbag warning light goes out.
Even without an accident, the control unit can break down, for example due to aging, moisture damage or defects in the internal hardware.
An internal fault may prevent the system from diagnosing properly or the airbags from deploying correctly, requiring immediate diagnosis and repair.
Common error codes for Dodge Caravan NS airbag control unit repair
When diagnosing a faulty Dodge Caravan NS airbag control module, specific error codes will occur that directly indicate problems with the module itself and do not represent sensor failures. These codes signal internal defects, communication failures, or memory issues within the control module and require a specific Dodge Caravan NS airbag control module repair or reset.
- **B1000** → Control unit communication error → Indicates problems in the communication between the airbag control unit and other vehicle systems.
- **B1001** → Internal memory error → Indicates that the module's internal memory is damaged or data cannot be processed correctly.
- **B1002** → Internal power failure → A defect in the internal power supply of the control unit was detected.
- **B1003** → Internal sensor error in the control unit → The module reports an error in its own integrated sensors, not external crash sensors.
- **B1010** → Diagnostic module (DM) malfunction → The control unit's internal diagnostic module is not functioning correctly.
- **B1011** → Internal software malfunction → There is an error in the internal software or firmware of the airbag control unit.
- **B1100** → Bus communication error (CAN/LIN) → Problems with data transmission via the vehicle bus affecting the airbag module.
- **U0073** → Lost Communication with SRS Module → The control unit cannot communicate with other modules in the vehicle network.
What part numbers are available for the Dodge Caravan NS airbag control unit repair?
For Dodge Caravan NS airbag control module repairs, specific OEM part numbers are crucial to ensure proper compatibility and function in the vehicle. These verified Mopar numbers cover model years around 2002-2010 and ensure that the replacement or repaired module will work properly with your Dodge Caravan NS, which is essential for your safety.
Selecting the correct part number is crucial as it determines compatibility with the vehicle model and its systems.
The following numbers have been verified by Mopar and specialized suppliers to fit the Dodge Caravan NS airbag control unit.
- **04686939AF** → Chrysler/Mopar genuine airbag control unit for Dodge Caravan models from 2005-2006.
- **4686602AJ** → Mopar original / replacement part number that replaces several older variants for Dodge Grand Caravan 2002-2004.
- **4686602AH** → Mopar Original, officially replaced by 4686602AJ.
- **4686602AG** → Mopar Original, officially replaced by 4686602AJ.
- **4686602AE** → Mopar Original, officially replaced by 4686602AJ.
- **4686602AI** → Mopar Original, officially replaced by 4686602AJ.
- **4686602AD** → Mopar Original, officially replaced by 4686602AJ.
- **4686602AF** → Mopar Original, officially replaced by 4686602AJ.
These part numbers are for the airbag control unit only and not for sensors or other components of the airbag system.
If a Dodge Caravan NS airbag control unit repair is necessary, ensure that the correct OEM part number is used to avoid vehicle safety issues.