There is a short circuit to ground on the 2:nd wake-up when C300 is waking up other units (active).
â–¶ How to fix
Check connecting cables and connectors.
What you'll see
No driver-visible symptom recorded.
System reaction
Other ECU:s will not wake up.
Diagnostic depth
Detection
The output is checked all the time the output is active. (Try to wake up other ECU:s) The DTC becomes active if a short circuit is detected.
Possible cause
Short circuit to ground.