93FD - Passenger airbag firing circuit, resistance too high airbag control unit fault

What does error code 93FD mean in the airbag control unit?

Error code 93FD reports that the ignition circuit resistance of the passenger airbag is too high, specifically in the first stage of this airbag in the restraint system. The airbag control unit stores the fault in the fault memory and switches on the airbag warning light, so the driver notices the entry.

The ignition circuit is the electrical path through which the control unit triggers the airbag. The code therefore concerns the triggering of the passenger airbag and not the driver's airbag.

How do you recognise error code 93FD?

This fault becomes noticeable through an airbag warning light that no longer goes out and through an entry that does not clear itself. Which code is stored is only revealed by a diagnostic tool that reads the fault memory, because the light itself shows no designation.

A diagnostic tool reads out the memory. Only this result shows whether exactly the ignition circuit of the passenger airbag is affected.

If you do not have your own diagnostic tool, you can have the readout carried out at a specialist workshop.

What causes error code 93FD?

Error code 93FD is caused by faults in the ignition circuit of the passenger airbag, namely at the connector, in the wiring or in the airbag module itself, and possibly also by a faulty airbag control unit. Exactly what the cause is in an individual case is only established by a targeted check at a specialist workshop.

• A damaged connector in the passenger airbag's ignition circuit
• Wiring in the ignition circuit that is pinched, broken or chafed through
• A defective passenger airbag module
• A defective airbag control unit

It is therefore advisable to check the connector, wiring and airbag module first, before the control unit is considered.

In which vehicles does error code 93FD occur?

Error code 93FD is known on MINI vehicles, specifically on the models MINI Aceman J05, MINI Cooper J01 and MINI Countryman U25. On other vehicles the meaning of the code may differ, and the list is not complete.

Only a readout of the fault memory with a diagnostic tool shows whether the entry is present on a specific MINI.

How is error code 93FD resolved?

Error code 93FD is resolved by first reading out the fault memory and then having the connector, wiring and airbag module checked at a specialist workshop. If the airbag control unit turns out to be the cause, you first disconnect the battery, remove the unit and send it to Airbag24 with a repair order created online.

Have the fault memory read out with a diagnostic tool first. Work on the airbag system should be left to qualified professionals, so have the connector, wiring and airbag module of the passenger airbag checked at a specialist workshop first.

Checking, repairing and testing usually take 3–4 working days.

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.