Fault Code 70, 71, 72, 73

Fault Codes 70, 71, 72, 73

Child seat detection

Diagnostic conditions
- Ignition on

Possible cause of fault
- Incorrect coding
- Plug connection of child seat detection belt buckle not connected or damaged
- Short circuit to B+/ground or open circuit in the wiring between the airbag triggering unit and the child seat detection belt buckle
- Child seat detection belt buckle faulty

NOTE:
- When the coding is changed in the menu item "Change coding", the ignition must always be switched off afterwards and the key removed.
- After the ignition is switched on again, the new coding from the airbag triggering unit is updated and the stored faults can be erased.

Affected pins
Pins 6 and 33

Diagnosis/troubleshooting