What is a Chevrolet Trax 1st Gen airbag control module?
The Chevrolet Trax 1st Gen airbag control unit, also known as the SRS SDM (Sensing Diagnostic Module), is your vehicle's central safety unit. It continuously monitors all airbag sensors and seatbelt pretensioners, stores important crash data, and controls the millimeter-precise deployment of the restraint systems in the event of an accident to provide maximum occupant protection.
This critical component ensures the functionality of the passive safety system in your first generation Chevrolet Trax.
It communicates with other control units via the CAN bus and is essential for the safety of all vehicle occupants.
Why is the Chevrolet Trax 1st Gen airbag control unit defective?
A Chevrolet Trax 1st Gen airbag control unit is often defective because it stores crash data after an accident, preventing it from being reused without a reset. Internal hardware errors, moisture damage, or electrical surges can also cause failure, impairing airbag function and requiring immediate repair.
Because the crash sensors are triggered in the event of an impact, the control unit irrevocably stores this data, which causes the airbag warning light to illuminate permanently.
This then requires a professional repair or reset of the module to restore functionality and resolve the failure.
Other causes of a defect can be a short circuit, a faulty power supply or natural aging of the internal electronics, which make a Chevrolet Trax 1st Gen airbag control unit repair necessary.
Common error codes for Chevrolet Trax 1st Gen airbag control unit repair
Generic GM trouble codes are often encountered during Chevrolet Trax 1st Gen airbag control unit repairs, as no specific, exclusive codes are documented. Typical B-codes indicate communication problems, internal memory errors, or voltage disturbances that require specific diagnostics.
- B1000 → Control unit communication error → Communication between airbag control unit and other modules is disrupted.
- B1005 → Internal memory error → The control unit cannot read or write internal data correctly.
- B1010 → Voltage error in the control unit → Insufficient or unstable voltage supply to the airbag module.
- B1020 → Internal memory access error → Problems accessing the module's non-volatile memory.
- B1030 → EEPROM error → Error in the permanent data memory of the airbag control unit, often after a crash.
What part numbers are available for the Chevrolet Trax 1st Gen airbag control unit repair?
For Chevrolet Trax 1st Gen airbag control unit repair, the OEM part numbers 13590215 and 84104026 are primarily relevant. These GM-verified numbers identify the original modules that are compatible with your vehicle and enable safe repair or replacement.
Part number 13590215 is confirmed as a genuine airbag control module (SRS SDM) for the first generation Chevrolet Trax.
It is often manufactured by Bosch as an OEM supplier for GM and is essential for Chevrolet Trax 1st Gen airbag control unit repair.
Number 84104026 is another genuine airbag component listed by GM Genuine Parts.
Both numbers are crucial to ensure correct compatibility when repairing the airbag control unit and replacing a broken airbag module.