Airbag control unit with part number 38910M68PB1

What does the airbag control unit 38910M68PB1 do?

The control unit 38910M68PB1 is the central control unit of the airbag system in Suzuki vehicles, that is, of the restraint system (SRS). It records through the crash sensors what happens in an accident, and it decides within milliseconds whether airbags and seatbelt pretensioners are fired. It monitors the system continuously, reports faults via the airbag warning light, and after an accident it stores crash data and locks itself.

Seatbelt pretensioners are triggered together with the airbags in an emergency, and the control unit coordinates this sequence.

The power supply and the cables must be flawless so that the control unit can do its job.

Why does the control unit 38910M68PB1 fail?

On the 38910M68PB1, the most frequent cause of a fault is crash data stored after an accident, even if no airbag fired. A normal diagnostic tool cannot delete it. In addition there are ageing electronics, cold solder joints, moisture and corrosion at plug connectors, and voltage spikes.

The crash data stays in the unit, even when the vehicle has long since returned to everyday use.

Aged components lose reliability over the years. A cold solder joint or a corroded contact interrupts a connection at times, without an immediate clear message.

Voltage spikes arise, for example, with a weak battery or when a jump-start is connected.

How can you tell that the 38910M68PB1 is defective?

The airbag warning light on the 38910M68PB1 signals a fault when it lights up permanently or intermittently. In addition, a fault message in the instrument cluster, a missing connection to the diagnostic tool and a fault memory that cannot be cleared may occur. The airbags and seatbelt pretensioners may then fail to deploy in an emergency.

The signs at a glance:

• warning light in the instrument cluster lights up intermittently
• warning light stays on permanently
• fault message is shown in the instrument cluster
• diagnostic tool does not find the control unit
• fault memory cannot be cleared

Which vehicles is the 38910M68PB1 fitted in?

The following vehicles are assigned to the 38910M68PB1: Suzuki Baleno WB (2015-2022) and WB Facelift (from 2022).

The vehicles for this number:

• Suzuki Baleno WB (2015-2022)
• Suzuki Baleno WB Facelift (from 2022)

Comparing the part number on the label with this page makes sure that you have the right unit in front of you. Whether the control unit itself is faulty or a plug or a cable is the cause only becomes clear once the fault memory has been read out.

For the same vehicles, we also repair control units with the part numbers 38910M68PD1.

How does the repair of the 38910M68PB1 work?

For the 38910M68PB1, the fault memory is read out first, and the log is attached to the unit. Then you disconnect the battery and only afterwards remove the control unit. Online, you create a repair order, and you send in the well-packed unit. Processing at Airbag24 usually takes 3–4 working days.

Airbag24 checks the unit on the test bench, replaces faulty components, deletes crash data and carries out a function test.

Afterwards your own unit is returned. Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit 38910M68PB1 get to Airbag24?

You send the control unit 38910M68PB1 as a parcel, or you book a UPS collection for an extra charge. After the repair it reaches you again by UPS.

Put the printed repair order into the parcel; pack the unit shock-proof.