DPB_a098_ecuEnableHyLowFault
Power braking assist reduced
What does the DPB_a098_ecuEnableHyLowFault alert mean?
The hydraulic enable line can't be switched off via the uC or via the system IC.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
ECU internal electrical enable line has either a short to 3.3V or cannot be switched off by the micro controller or the system chip. Initial test of the ECU internal hydraulic enable line detects that enable line cannot be switched off by the software.
When it clears
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.
Affected models
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