DPB_a097_ecuEnableHyHighFault
Power braking assist reduced
What does the DPB_a097_ecuEnableHyHighFault alert mean?
The hydraulic enable line can't be switched on via the uC and 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 hydraulical enable line has either a short to ground or cannot be switched on by the micro controller and the system chip. Initial test of the ECU internal hydraulic enable line detects that enable line cannot be switched on 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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