DPB_a127_hydraulicAsicShortCircuit
Description
Short circuit beteen Qx pin and MRAuC pin are detected.
Condition
Short circuit between Qx pin and MRAuC pin, MRAuC is actuated (with Qx On) for a short time and check MRG state via MRG_on_SPI bit. If the bit is 0, the alert is logged.
Clear Condition
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
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.
Customer Facing Message 1
Power braking assist reduced
Customer Facing Message 2
Braking may require increased effort
Audiences
customer;service-fix
Models
Model Y 2025+