4857 — Software module event memory: Buffer overrun
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: MAN
| Meaning | Software module event memory: Buffer overrun. |
| System | DIW5 |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 4857 mean?
Software module event memory: Buffer overrun. Software module event memory: Buffer overrun. (System: DIW5)
Can I keep driving with code 4857 active?
With caution: limp mode possible, have it checked soon
How do you fix code 4857?
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?
We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.
Contact us
Where to get it fixed
Related codes
- 48 — Pressure shaft door 4
- 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