DPB_a255 — Valve Relay Short
Full alert identifier: DPB_a255_valveRelayShort
Alert description
Short between UVR and GND.
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
(1) Short between UVR GND, Continuous monitoring checks for short between VR and GND if VR is in off state. (2) Short between UVR GND, Continuous monitoring checks for short between VR and GND if VR is in off state.
Clear condition
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a255.