Fault Code 12, 13, 28, 29, 40

Fault Codes 12, 13, 28, 29, 40

Ignition circuit, driver's side airbag

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to B+/ground or open circuit in the wiring between the driver's side airbag unit and the airbag triggering unit
- Driver's side airbag faulty

Affected pins
Pins 16 and 17

Diagnosis/troubleshooting







The following illustration illustrates how the plug connection is disconnected from the side airbag.

Part 1:

Test tool No. 9516 and adapter cable No. 9516/2 instead of the driver's side airbag

Part 2: