P1609 OBD Code Definition:
P1609 Serial Communicating Link EML
P1609 OBD Code Description:

Possible Symptoms

• Fault Code cannot be cleared

Possible Causes

• Crash Signal activated (i.e. Accident with Airbag Deployment)

Possible Solutions

• Set Readiness, the Fault Code should be cleared automatically during this Process.

Tech Notes

• In case of an Accident the Airbag Control Module sends a Crash Signal which orders the Engine Control Module to stop the Engine. In Addition this Fault Code will be stored. The Engine may be restarted after cycling the Ignition, the Fault Code should not have any further Influence.