Fault Code 27

Fault Code 27

Ignition circuit, passenger

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to B+/ground or open circuit in the wiring between the passenger airbag unit and the airbag triggering unit
- Passenger's airbag unit faulty
- Triggering unit for airbag faulty

Affected pins
Pins 13 and 14

Diagnosis/troubleshooting

Dianosis/troubleshooting (Part 1):

Test tool 9516 and adapter cable9566 instead of the passenger's airbag unit







- until model year 2002.

Test tool 9516 instead of the passenger's airbag unit







- model year 2003

Dianosis/troubleshooting (Part 2):