Short circuit beteen Qx pin and MRAuC pin are detected.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
Short circuit beteen Qx pin and MRAuC pin are detected.
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.
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Model Y 2025+
customer, service-fix
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