P0556 — Brake Booster Pressure Sensor Circuit Range/Performance
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: All makes (OBD-II standard)
| Meaning | Brake Booster Pressure Sensor Circuit Range/Performance. |
| Family | Powertrain (P) |
Frequently asked questions
What does code P0556 mean?
Brake Booster Pressure Sensor Circuit Range/Performance. Brake Booster Pressure Sensor Circuit Range/Performance.
Can I keep driving with code P0556 active?
With caution: limp mode possible, have it checked soon
How do you fix code P0556?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
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Where to get it fixed
Related codes
- P0500 — Vehicle Speed Sensor Malfunction
- P0501 — Vehicle speed sensor: implausible value
- P0502 — Vehicle Speed Sensor Circuit Low Input
- P0503 — Vehicle Speed Sensor Intermittent/Erratic/High
- P0504 — Brake Switch Correlation Error
- P0505 — Idle Control System Malfunction
- P0506 — Idle Control System RPM lower Than Expected
- P0507 — Idle Control System RPM Higher Than Expected
- P0508 — Idle Air Control System Circuit Low
- P0509 — Idle Air Control System Circuit High
- P0510 — Closed Throttle Position Switch Malfunction
- P0511 — Idle Air Control Circuit