Airbag control unit with part number 8200 969 856-95160

What is the function of the airbag control unit 8200 969 856-95160?

The airbag control unit 8200 969 856-95160 is the central safety module (SRS ECU) specifically designed for the Renault Trafic III from model year 2014 onwards. It processes signals from external crash sensors to precisely deploy airbags and seatbelt pretensioners in the event of a collision, thereby controlling the entire occupant protection system.

This control unit, also known as the SRS module (Supplemental Restraint System), serves as the brain of the passive safety system. It continuously monitors all connected components, including crash sensors, seat occupancy mats, seatbelt pretensioners, and the airbag modules themselves.

In the event of a collision, the electronics analyze data from acceleration sensors within milliseconds. Based on this information, the unit determines whether and which restraint systems need to be activated to provide optimal protection for occupants.

Why does the control unit 8200 969 856-95160 fail?

The most common cause of failure for the control unit 8200 969 856-95160 is internally stored crash data following an accident, which the system locks for safety reasons. Other causes include internal electronic faults on the circuit board, damage caused by water ingress, wiring issues, or erroneous signals from external sensors.

After an airbag deployment, an irreversible entry is recorded in the control unit’s memory. This “crash lock” prevents further use until the data is professionally reset—a safety measure mandated by the manufacturer.

Electronic components such as processors or memory chips can also fail even without an accident. Cold solder joints, short circuits caused by water intrusion, or voltage spikes in the vehicle’s electrical system are additional well-known sources of failure that may result in total malfunction or erratic behavior.

In workshop practice, it’s important to note that this control unit is also known under alternative part numbers 985104418R and 985100394R. The fault patterns remain identical across these variants.

How do you recognize a defect in the 8200 969 856-95160?

A defective control unit 8200 969 856-95160 primarily manifests as a permanently illuminated airbag warning light on the instrument cluster. Typical error codes such as B1080 (internal fault), DTC907F (internal fault or crash data), or 49 (crash data stored) cannot be permanently cleared using a diagnostic tool.

The most noticeable symptom is the persistently lit SRS indicator lamp. It fails to extinguish after starting the vehicle, indicating a serious, stored fault in the system that compromises proper airbag functionality.

During diagnostics at the workshop, it often becomes apparent that the stored error codes cannot be erased—especially after minor collisions, activation of the knee airbag, or work performed on the steering wheel (e.g., replacing the coil spring).

Another telltale sign may be the diagnostic tool’s inability to establish communication with the airbag control unit. Faults attributed to defective seat occupancy mats or sensors could likewise stem from an internal defect within the control unit itself.

In which vehicles is the control unit 8200 969 856-95160 installed?

The airbag control unit with part number 8200 969 856-95160 is specifically designed for the Renault Trafic III. At Airbag24, we offer professional repair services for all variants of this model from model year 2014 onward, restoring full functionality to the safety system.

Repair services at Airbag24 cover the following vehicle models where this control unit is factory-installed:

Renault: Trafic III (from model year 2014)

How is the control unit 8200 969 856-95160 professionally repaired?

At Airbag24, each submitted control unit 8200 969 856-95160 undergoes an initial inspection. Repair procedures include targeted resetting of stored crash data, along with diagnosis and replacement of faulty electronic components on the circuit board. Upon successful restoration, the unit is returned with a 12-month warranty.

Removal of the control unit should be performed by qualified technicians. It is typically located beneath the center console or under one of the front seats. Before removal, it is crucial to disconnect the vehicle battery and wait at least five minutes to prevent unintended activation.

Upon receipt at Airbag24, technicians analyze both the fault memory and the hardware. The core of the repair often involves resetting crash data at the chip level. For hardware defects, affected components such as processors, memory chips, or capacitors are desoldered and replaced with new, high-quality parts.

Finally, every repaired control unit is tested on a specialized test bench to verify flawless operation of all circuits. This repair method offers a cost-effective and sustainable alternative to expensive new purchases, backed by a 12-month warranty.

What shipping options are available at Airbag24?

To send your control unit to Airbag24, you can either ship it yourself free of charge or arrange a convenient UPS pickup from your preferred location. Return shipping is standardly free via UPS Standard. Alternatively, faster shipping options such as UPS Express or cash-on-delivery are available.

For outbound shipping, you have two choices: you can pack the control unit securely and send it to us yourself, or use UPS’s pickup service, which will collect the package directly from your workshop or home.

After repair, we’ll return the device to you free of charge using UPS Standard shipping. If you need it sooner, you can opt for UPS Express delivery.

In addition, both shipping methods—Standard and Express—offer the option of cash-on-delivery. Alternatively, you can also pick up your repaired control unit in person at our premises.