About Trouble Codes

- All the possible DTCs which can be recognized by the Airbag Control Module-J234 and printed out on the VAG 1551 Scan Tool are listed as the 5-digit DTC.
- DTC and blink code appear (in the "Rapid data transfer" mode) only in the printout.

Example:

DTC Blink code
5-digit 4-digit
00277 1221

- In addition, the malfunction type may also appear in the DTC table.
- Before replacing the components indicated as being faulty, test all the appropriate connections, wiring and Ground connections according to the wiring diagram
- After performing repairs, once again interrogate and erase the DTC Memory with the VAG 1551 Scan Tool.