Node 1 not flash programmed. (NODE_1_NOT_FLASH_PROGRAMMED)
â–¶ How to fix
Replace the ACS ECU node 1.
What you'll see
No driver-visible symptom recorded.
System reaction
A red ACS malfunction warning is shown in the instrument cluster. The vehicle can be started, but there will be no damping in the articulation, and no engine torque limitation. The vehicle must not be used!
Diagnostic depth
Detection
The ACS ECU is delivered from supplier flash programmed with a dummy application. In this application the DTC is permanently active.
Possible cause
The ACS ECU node 1 has not been flash programmed with a valid application.