4859 — Pressure regulating valve left exhaust valve
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: MAN
| Meaning | Pressure regulating valve left exhaust valve. |
| System | EBS |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 4859 mean?
Pressure regulating valve left exhaust valve. Pressure regulating valve left exhaust valve. (System: EBS)
Can I keep driving with code 4859 active?
With caution: limp mode possible, have it checked soon
How do you fix code 4859?
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.
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Where to get it fixed
Related codes
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- 4800 — Pressure module pressure control on wheel 7
- 4800 — Status signal, central locking
- 4801 — Pressure module pressure control on wheel 8
- 4801 — Central locking left checkback open
- 4802 — Pressure module pressure control on wheel 9
- 4802 — Open central locking left
- 4803 — Pressure module pressure control on wheel 10
- 4803 — Open central locking left
- 4804 — Pressure module pressure control on wheel 7
- 4804 — Lock central locking left
- 4805 — Pressure module pressure control on wheel 8