DPB_a220 — Excessive Boost Wakeups Detected
Full alert identifier: DPB_a220_excessiveBoostWakeupsDetected
Alert description
ECU woke up repeatedly with ignition off. This hints at issues with vehicle-specific wake-up sources (e.g. door contact).
Potential impact
System will be running with full assistant for driver brake request.
Set condition
There was an excessive number of consecutive power cycles in which the ECU was woken up and went to sleep without that ignition was on.
Clear condition
1. Switch ignition on2. Switch ignition off3. Wait for complete postrun until ECU sleep.4. Switch ignition on
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a220.