Diagnosis/troubleshooting VG 0101
NOTE:
- Before replacing the control module, the ground connections, power supply and plug connections on the control module must be checked.
- After the test drive, read out the fault memory again with the Porsche System Tester II No. 9588. Additional causes of faults that could damage the transfer box control module should be detected and remedied.
DIAGNOSIS TROUBLESHOOTING PROCEDURE
| Work instruction | Display OK | If not OK | |
|---|---|---|---|
| 1 | Replace transfer box control module | → End | |