The electric enable can't be switched on via the uC port and via the system IC.
<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.
The electric enable can't be switched on via the uC port and via the system IC.
ECU internal electrical enable line has either a short to GND or cannot be switched on by the micro controller and the system chip. Initial test of the ECU internal electrical enable line detects that enable line cannot be switched on by the software.
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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