A friend has got dashboard airbag warning lights, but a cheap ODBII* scanner is immediately not showing any codes. Are they stored in a peculiar location that might not be being read - something requiring a better scanner tool?
Or does he need to RTFM.....
- INTEY OBDII Car Vehicle Fault Code Reader Auto Diagnostic Scan Tool, Read and Clear Error Codes for 2000 or later US, European and Asian OBD2 Protocol Vehicle formatting link