Airbag control unit with part number 5WY67074

What is the function of the Airbag Control Unit 5WY67074?

The Airbag Control Unit 5WY67074 from Continental is the central control module for the occupant protection system in the first-generation Chevrolet Aveo (circa 2006–2011). It processes data from crash sensors and deploys airbags and seatbelt pretensioners in the event of a collision. It is often also listed under the combined GM part number 95160 95 237 840.

As the heart of the safety system (SRS – Supplemental Restraint System), this control unit continuously monitors signals from the vehicle’s acceleration and pressure sensors. Based on this data, it detects a collision and determines within milliseconds whether and when to deploy the airbags.

In addition to front and side airbags, the unit also controls pyrotechnic seatbelt pretensioners, which tighten seatbelts upon impact to keep occupants securely positioned in their seats. Proper functionality is therefore essential for protecting vehicle occupants.

What defects occur in the Control Unit 5WY67074?

The most common defect of the 5WY67074 control unit is the storage of crash data after an airbag deployment, which locks the system. Other causes include internal electronic faults indicated by error codes such as “control unit defective,” as well as communication issues with the diagnostic tester. Moisture damage or component failures due to aging can also lead to failure.

Following a crash in which airbags or seatbelt pretensioners have deployed, the control unit permanently stores so‑called crash data in its internal memory (EPROM/Flash). This lock ensures safety by preventing reuse of a potentially damaged system, but it can be reset through professional repair.

Another frequent issue is an internal electronic fault. This may manifest as error codes like “control unit defective” or “internal control module fault” (e.g., B1000, 65535) in the fault memory. Common causes include aging components such as capacitors, voltage regulators, or faulty solder joints on the circuit board.

Communication or power supply errors can render the control unit inaccessible via the diagnostic tool. The cause may lie within the control unit itself—such as a defect on the CAN bus interface—or in the vehicle’s wiring harness.

External factors like moisture ingress can also lead to corrosion on connector pins and traces, often resulting in short circuits and failure of critical components.

How do you recognize a defect in the 5WY67074?

A defect in the Airbag Control Unit 5WY67074 primarily shows up as the SRS/Airbag warning light constantly illuminated on the instrument cluster. Additionally, the fault memory may contain entries such as “crash data stored” or “control unit defective.” In some cases, communication with the control unit via a diagnostic tool becomes impossible, complicating fault analysis.

The most noticeable sign is the persistently lit airbag warning light. It does not turn off after starting the engine, indicating a system‑critical fault and signaling that the entire restraint system is inoperative.

During a workshop diagnosis, specific error codes can be read out, directly pointing to the control unit. Typical entries include “crash data stored” after a crash or general errors like “internal control unit fault,” suggesting a hardware defect.

A complete failure of the control unit may result in it becoming unresponsive via the OBD interface. The diagnostic tool will then report “no communication,” making troubleshooting more difficult but strongly indicating a defect within the control unit itself.

A glowing SRS warning light represents a safety‑related deficiency. The vehicle should not be driven until the fault is repaired, as occupant protection is no longer guaranteed in the event of a crash.

In which vehicles is the Control Unit 5WY67074 installed?

The Continental Airbag Control Unit with part number 5WY67074 is specifically designed for the first-generation Chevrolet Aveo, produced roughly between 2006 and 2011. At Airbag24, this control unit is professionally refurbished exclusively for this vehicle model. It is often identified alongside the GM part number 95160 95 237 840.

Repair services at Airbag24 are available for the following models:

Chevrolet Aveo (1st generation, circa 2006–2011)

How does the repair of the 5WY67074 proceed at Airbag24?

After submitting the removed control unit to Airbag24, a comprehensive diagnosis is performed, reading the fault memory and inspecting the hardware. Depending on the defect, stored crash data is erased from memory (EPROM/Flash), faulty electronic components are replaced, and solder joints are reworked. A final test on a bench ensures full functionality. The repair comes with a 12-month warranty.

The process begins with the professional removal of the control unit from the vehicle. In the Chevrolet Aveo, this is typically located in the center console or the center tunnel.

At Airbag24, the unit first undergoes an initial inspection to verify the reported fault. Using specialized diagnostic tools, the fault memory is read out and a communication check is performed.

The actual repair, depending on the nature of the fault, includes electronically resetting the stored crash data, replacing defective microcontrollers, memory chips, or voltage regulators, as well as re-soldering critical connections to eliminate cold solder joints.

Following restoration, each control unit undergoes a comprehensive functional test on a specially designed test bench. Vehicle signals are simulated here to ensure proper operation of all outputs and flawless communication. Only after passing this test is the unit approved for return shipment.

A major advantage of repairing the original unit is that the vehicle-specific coding and the vehicle identification number (VIN) remain intact. This eliminates the need for time-consuming re-learning or reprogramming after reinstallation.

What shipping options are available?

For shipping to Airbag24, you can either send the control unit yourself or arrange for UPS pickup. After repair, return shipping is provided free of charge via UPS Standard by default. For faster delivery, UPS Express is available, along with both shipping methods offering cash-on-delivery. Alternatively, you may choose to pick up the repaired unit in person.

To send your defective control unit to us, please pack it securely to protect against impacts. You can then ship it at your own expense, bring it to our facility free of charge, or arrange a paid UPS pickup at your preferred location.

Return shipping of the refurbished unit is provided free of charge via UPS Standard by default. If you require the component back sooner, you can opt for UPS Express shipping.

Both standard and express shipping can optionally include cash-on-delivery service. Of course, you are also welcome to collect your repaired control unit in person.