Fault Code 1228

Fault code 1228

Airbag switch (activate/deactivate passenger's airbag)

Diagnostic conditions
- Ignition on
- Internal function test on airbag triggering unit

Possible cause of fault
- Short circuit to ground (based on the wiring of pin 81 of airbag triggering unit and pin 2 of airbag switch)
- Open circuit/short circuit to B+ (based on the wiring of pin 81 of airbag triggering unit and pin 2 of airbag switch)
- Faulty (airbag switch is faulty)
- Airbag triggering unit incorrectly coded when locked
- Triggering unit for airbag faulty

Affected pins
- Airbag triggering unit Pin 81 and Pin 83
- Airbag switch: Pin 1 and pin 2

Diagnosis/troubleshooting