P1780 — Modulating pressure switchover valve Y3/4 or upshift delay Y3/5
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: Mercedes-Benz
| Meaning | Modulating pressure switchover valve Y3/4 or upshift delay Y3/5. |
| Family | Powertrain (P) |
Frequently asked questions
What does code P1780 mean?
Modulating pressure switchover valve Y3/4 or upshift delay Y3/5. Modulating pressure switchover valve Y3/4 or upshift delay Y3/5.
Can I keep driving with code P1780 active?
With caution: limp mode possible, have it checked soon
How do you fix code P1780?
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