Operation CHARM: Car repair manuals for everyone.

Fault Codes 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 terminals

Terminals 16 and 17

Diagnosis/Troubleshooting

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





Work Instruction 1:






Test Tool No. 9516 & Adapter Cable No.9516/2 Instead Of Driver's Side Airbag





Work Instruction 2 - 3: