What is a Chrysler 300 Limited LD airbag control module?
The Chrysler 300 Limited LD airbag control unit, also known as the Occupant Restraint Controller (ORC), is the vehicle's central safety unit. It precisely monitors crash sensors, stores accident histories, and controls the activation of all airbags and seatbelt pretensioners in the event of a collision to provide optimal occupant protection.
This module is crucial for the vehicle's passive safety. It continuously processes signals from acceleration and pressure sensors installed throughout the vehicle.
Its primary function is to quickly detect accident situations, allowing it to immediately initiate the necessary protective measures and deploy the airbags within milliseconds.
Why is the Chrysler 300 Limited LD airbag control module defective?
A faulty Chrysler 300 Limited LD airbag control module is often caused by internal errors, memory problems, or damage after an accident. Because the module continuously processes data and controls sensitive functions, a failure can activate the airbag warning light and impair the proper functioning of the safety system.
Typical defects include internal memory errors or malfunctions in system communication. This can be caused by aging components or electrical surges.
After an airbag is deployed, the airbag control unit is often locked or must be replaced due to stored crash data. Software errors or a failed self-test can also lead to failure.
Common error codes for Chrysler 300 Limited LD airbag control unit repair
When repairing the Chrysler 300 Limited LD airbag control module, specific error codes indicate problems with the module itself. These B-codes report communication errors, internal malfunctions, or memory problems, allowing for a precise diagnosis for repair.
- B1000 → Control unit communication error → Signal loss or interruption of the data line to the module.
- B1001 → Memory error in the airbag control unit → Damage to the internal memory or faulty data storage.
- B1003 → Internal memory error in the module → Defective EEPROM or flash memory areas.
- B1010 → Internal self-test error → The control unit failed the internal function test.
- B1016 → Voltage signal error → Open circuit or malfunction of the power supply of the airbag ECU.
- B1020 → Bus communication (CAN) malfunction → Problems with data transmission in the vehicle CAN bus.
- B1040 → Initialization error → The module could not initialize correctly after startup.
- B1060 → EEPROM memory problem → Persistent or sporadic errors in the module's non-volatile memory.
- B1100 → Airbag ignition circuit error → Problem with the control of the ignition circuits for the airbags.
What part numbers are available for the Chrysler 300 Limited LD airbag control unit repair?
For Chrysler 300 Limited LD airbag control unit repairs, specific OEM part numbers are crucial for compatibility and safety. An exact match to the original part number is essential, as these modules are coded specifically for each vehicle. Reprogramming is mandatory after replacement or repair.
- 68371752AA | Chrysler/Mopar | Genuine | Current version for Chrysler 300 Limited LD (approx. 2015-2023). Replaces previous numbers such as 68316752AB.
- 68316752AB | Chrysler/Mopar | Genuine | Previous original version for Chrysler 300 Limited LD. Replaced by 68371752AA.
- 05081041AG | Chrysler (OEM) | Genuine (used) | Another OEM module, available as a certified used part. Must exactly match the old number and be recoded.