DPB_a041_PSCGearRatioReadFault
DPB_a041_PSCGearRatioReadFault
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
There is gear ration value in the Non-Volatile Memory (NVM). .
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
NVM gear ration value is missing when read at startup.
Clear Condition
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement. The correct gear ration is written to the NVM and the system is reset.