3780 — Rail pressure: High controller output when idling
Severity: Serious
Can you drive? With caution: limp mode possible, have it checked soon
Make: MAN
| Meaning | Rail pressure: High controller output when idling. |
| System | EDC |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 3780 mean?
Rail pressure: High controller output when idling. Rail pressure: High controller output when idling. (System: EDC)
Can I keep driving with code 3780 active?
With caution: limp mode possible, have it checked soon
How do you fix code 3780?
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
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