Airbag control unit with part number 22816796

What is the function of Airbag Control Unit 22816796?

The airbag control unit with part number 22816796 is the central control module of the Supplemental Restraint System (SRS) in various generations of the Chevrolet Impala. Its primary task is to process sensor data to precisely and promptly deploy airbags and seatbelt pretensioners in the event of a crash.

As a core component of passive vehicle safety, this control unit continuously monitors all connected sensors, such as acceleration and seat occupancy sensors. It analyzes their signals in real time to assess the severity of a collision and activate the appropriate restraint systems.

In addition, the unit performs a self-test every time the vehicle is started. If all components are recognized as functioning properly, the airbag warning light extinguishes after a few seconds. In case of faults, the light remains on to alert the driver.

Why does Control Unit 22816796 fail?

The most common causes of failure for Control Unit 22816796 are stored crash data following an accident that prevents further operation, as well as internal electronic defects. Often, fault codes B1019 (Airbag Control Unit) or B1111 (Control Unit Defect) are logged in the error memory.

A primary reason for replacement or repair is the storage of crash data. After a collision where the restraint systems have deployed, the control unit locks itself for safety reasons and must be professionally reset.

Furthermore, internal hardware failures can occur spontaneously, even without an accident. Common causes include vibrations, moisture, or age-related wear of electronic components on the circuit board. Such defects also result in persistent error messages.

In some cases, external issues—such as cable breaks at the seatbelt pretensioners due to frequent seat adjustments—can trigger errors in the control unit, even if the unit itself is intact. A thorough diagnosis is therefore essential.

How do you recognize a defect in Control Unit 22816796?

A defect in Control Unit 22816796 primarily manifests as the airbag warning light (SRS lamp) remaining constantly illuminated in the instrument cluster. This light does not turn off after starting the vehicle, indicating an active, safety-relevant system error.

During diagnostics using an appropriate workshop tester, specific fault codes can be read out. Typical codes for an internal control unit defect are B1019 and B1111, which directly point to a malfunction within the control unit itself.

Another symptom may be the lack of communication between the diagnostic tool and the airbag control unit. If the unit no longer responds to requests, this is a strong indication of a severe internal hardware defect.

In which vehicles is part number 22816796 installed?

The airbag control unit with part number 22816796 is specifically used in various model series of the Chevrolet Impala. Compatibility spans multiple generations of the model, from the 1990s through the 2010s.

At Airbag24, repairs for Control Unit 22816796 are offered for the following Chevrolet models:

Chevrolet Impala 5th Gen

Chevrolet Impala 6th Gen

Chevrolet Impala 7th Generation (1994–1996)

Chevrolet Impala 8th Generation (1999–2005)

Chevrolet Impala 9th Generation (2005–2016)

What are the advantages of repairing 22816796?

Repairing the original control unit offers significant cost savings of up to 70% compared to purchasing an expensive new part from the manufacturer. Additionally, the vehicle’s original coding is preserved, eliminating the need for time-consuming reprogramming at the workshop.

A key benefit is maintaining the vehicle’s original configuration. Since your own control unit is repaired, all vehicle-specific data remains intact. After repair, the unit can be reinstalled immediately (plug-and-play) and is fully functional right away.

Repairing also represents a sustainable, resource-efficient alternative to buying a new unit. Rather than disposing of a complex electronic component, it is expertly refurbished. All repairs come with 2 years' statutory liability for defects.

How does the repair process work at Airbag24?

The repair process begins with diagnosis and removal of the control unit at a specialized workshop. After sending the unit to Airbag24, technicians conduct a detailed analysis, fix the electronic defect, erase crash data, and restore the device to factory settings. Finally, a functional test is performed.

Before removal, the vehicle’s fault memory should be read out to confirm that the fault indeed lies within the control unit. Please note part number 22816796 and the retrieved fault codes for the repair order.

Upon receipt of the unit at Airbag24, an incoming inspection is performed. The subsequent electronic repair, depending on the defect, may involve clearing crash data or repairing the hardware. Following successful repair and final testing, the unit is prepared for return shipment. You receive 2 years' statutory liability for defects on all work performed.