Airbag control unit with part number 98820BV80B

What is the function of the airbag control unit 98820BV80B?

The airbag control unit with part number 98820BV80B is the central control module for the occupant safety system (SRS) in the Nissan Juke F15 (model years 2010–2019). It is responsible for analyzing sensor data and precisely, promptly deploying the airbags and seatbelt pretensioners in the event of a crash.

As the brain of the passive safety system, this module continuously processes signals from the crash sensors distributed throughout the vehicle. Upon detecting a collision that exceeds predefined thresholds, the control unit sends critical ignition pulses to the corresponding airbag modules and seatbelt pretensioners.

In addition, the 98820BV80B control unit constantly monitors the functionality of all connected components of the airbag system. If a fault occurs—whether in a sensor, a wiring harness, or internally—it activates the SRS warning light on the instrument cluster to alert the driver.

Why does the airbag control unit 98820BV80B fail?

The most common cause of failure for the 98820BV80B control unit is the storage of crash data after an accident, which permanently locks the system. Other defects arise from internal electronic malfunctions, water ingress, or age-related wear of components, disabling the airbag function.

Following a collision, crash data is irrevocably stored in the control unit’s internal memory. This lockout ensures safety by preventing reuse until the data is professionally cleared. Even if the vehicle appears to have only minor external damage, the electronics may already be locked out.

Additional typical sources of failure are purely technical in nature. These include defects in electronic components such as capacitors, board failures due to aging, or damage caused by moisture intrusion. Such hardware issues often result in total system failure or communication problems with the device.

In practice, the following part numbers are also known to be compatible or interchangeable: 988201KV1A, 98820BV90A, 285012905, 285011034, and 285012139. Defects in these variants often manifest in similar ways.

How can you tell if the 98820BV80B control unit is defective?

A defect in the 98820BV80B control unit primarily manifests as a permanently illuminated or flashing SRS airbag warning light on the instrument cluster. Often, communication via a diagnostic tool is no longer possible. Stored crash data after an accident also keeps the light permanently active.

The most obvious sign is the activated airbag warning light. It fails to extinguish after starting the vehicle, indicating that the entire occupant safety system is disabled and will not deploy in an emergency.

Another clear symptom is the loss of diagnostic capability. When a workshop attempts to read the fault memory, the diagnostic tool receives no response from the airbag control unit, pointing to a serious internal malfunction.

Rarely, but specific to this module, other electronic issues may appear, such as an internal clock failure, the illumination of the speedometer light when locking the vehicle, or even complete failure of the control unit under heat.

In which vehicles is the 98820BV80B control unit installed?

The airbag control unit with part number 98820BV80B is specifically designed for Nissan models. At Airbag24, this control unit is primarily repaired for the Nissan Juke F15 series produced between 2010 and 2019. Compatible variants are also serviced here.

At Airbag24, the part number 98820BV80B is professionally refurbished for the following vehicle model:

Nissan Juke (F15), model years 2010–2019

How does the repair of the 98820BV80B proceed at Airbag24?

At Airbag24, the 98820BV80B control unit undergoes a certified repair process. After submission, a precise diagnosis is performed to read fault and crash data. Subsequently, defective electronic components on the circuit board are replaced, the data is erased, and a full functional test is conducted.

Ideally, the process begins at your workshop with a diagnostic report attached to the defective control unit. Following removal, the unit is securely packaged and shipped to Airbag24.

In the lab, a detailed analysis identifies the exact cause of the fault. Whether it involves stored crash data or a hardware defect, technicians target the affected areas for repair. Faulty components are replaced with new, high-quality parts, and crash data is safely erased from memory.

Finally, a comprehensive functional test is performed on specialized test benches. This ensures that the control unit operates like new and meets all safety‑related requirements. Airbag24 provides 2 years' statutory liability for defects on every repair.