DPB_a222 — Excessive Ecu Resets Detected
Full alert identifier: DPB_a222_excessiveEcuResetsDetected
Alert description
An excessive number of ECU resets has occurred in a row during actuator initialization (before IPC completion).
Potential impact
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
Set condition
High electric resistance in the IPB power supply. Either due to a weak battery or due to corrosion of the supply cable. The alert is set if several ECU resets in a row have occurred before the initial actuator tests could finish.
Clear condition
The issue goodchecks itself after some time (either 2 s, 5 s,10 s, or project specific maximum time depending on the number of resets). If it doesn't goodcheck on itself then allow system to complete postrun and power off. Power on again.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a222.