Airbag control unit with part number 4ML880201A6PS

What is the function of the Airbag Control Unit 4ML880201A6PS?

The Airbag Control Unit 4ML880201A6PS is the central control module of the passive safety system in the Lamborghini Urus Performante. It is responsible for evaluating data from crash sensors in real time and, in the event of an accident, precisely and within seconds deploying the life-saving airbags and seatbelt pretensioners to protect occupants.

As the “brain” of the restraint system (SRS – Supplemental Restraint System), the module continuously monitors all connected components, from the impact sensors at the front and sides of the vehicle to the individual airbag modules and seatbelt pretensioners.

Communication takes place via the vehicle’s internal CAN bus network, through which the control unit exchanges data with other critical vehicle modules and reports its system status.

In high-performance vehicles like the Urus Performante, such sophisticated control units typically come from specialized manufacturers such as Continental or TRW, who ensure the highest safety and quality standards.

Why does the Airbag Control Unit 4ML880201A6PS fail?

The most common cause of failure for the 4ML880201A6PS control unit is the storage of crash data after an accident, which permanently locks the device. Other causes include internal electronic defects in circuit board components leading to communication errors, as well as external factors such as water damage or voltage spikes.

Following a collision—even a minor one—in which seatbelt pretensioners or airbags were deployed, so‑called crash data is irrevocably stored in the control unit’s memory. This lockout is a manufacturer‑imposed safety measure that prevents reusing a potentially damaged unit, but it can be reset through professional repair.

Even without an accident, internal hardware faults may occur. Defective components, corroded solder joints, or errors in the memory chip can cause the unit to store internal fault codes (e.g., B1XXX or U1XXX) and cease functioning.

Rarer but equally critical are damages caused by external factors. Intruding moisture can lead to corrosion on connectors and the circuit board, while reverse polarity during jump-starts or short circuits in the vehicle’s electrical system can harm the sensitive electronics.

How do you recognize a defect in the 4ML880201A6PS?

A defect in the Airbag Control Unit 4ML880201A6PS primarily manifests as a constantly illuminated or flashing SRS warning light on the instrument cluster. Additionally, diagnostic tools may no longer establish communication with the control unit, or specific error codes such as “control unit defective” may appear.

The most noticeable sign is the active airbag warning light. If this light remains on after the engine starts, it indicates a serious malfunction, rendering the airbags disabled in the event of an accident—a significant safety risk.

Another clear symptom emerges in the workshop: the control unit becomes unreachable via the OBD interface. Attempts to diagnose using standard testers fail, complicating troubleshooting and often pointing directly to a faulty control unit.

In some cases, limited communication may still be possible, but distinct fault codes are recorded in the error memory. Codes falling into the B1XXX range (internal faults) or U1XXX range (communication errors) confirm a defect within the module itself.

In which models is the Airbag Control Unit 4ML880201A6PS installed?

The Airbag Control Unit with the specific part number 4ML880201A6PS is designed exclusively for the high-performance Lamborghini Urus Performante SUV. Its electronics and software are precisely tailored to the vehicle architecture and sensor systems of this particular model, ensuring flawless operation of the safety system.

At Airbag24, we repair the 4ML880201A6PS part number for the following specific vehicle model:

Lamborghini Urus Performante (from model year 2022 onward)

Repair by a specialist with proven experience working on such exclusive vehicles is essential, as the complexity of the electronics and the need for an exact restoration of factory settings demand the highest precision.

How is the 4ML880201A6PS control unit professionally repaired?

Professional repair of the 4ML880201A6PS control unit at Airbag24 follows a well‑established process. Upon receipt, the unit undergoes a thorough electronic analysis to pinpoint the root cause of the fault. Subsequently, crash data is erased or defective components replaced, and the unit is thoroughly tested for full functionality, backed by 2 years’ statutory liability for defects.

Once the removed control unit has been received at Airbag24, our technicians perform a comprehensive incoming inspection using specialized testing equipment. This determines whether the issue stems from stored crash data or an actual hardware defect on the circuit board.

Based on the diagnosis, repairs are carried out: stored crash data is erased at the chip level, and the unit is restored to its factory settings. For hardware defects, faulty electronic components such as processors, memory chips, or capacitors are professionally replaced.

Finally, each repaired control unit undergoes rigorous functional testing to ensure flawless communication and proper operation. Only after passing this test is the unit prepared for shipment and ready for immediate installation and use.