MasterTuning Fault code dictionary (DTC)

3688 — Pressure controller variable (pulse duty ratio)

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningPressure controller variable (pulse duty ratio).
SystemEDC
FamilyManufacturer-native code

Frequently asked questions

What does code 3688 mean?

Pressure controller variable (pulse duty ratio). Pressure controller variable (pulse duty ratio). (System: EDC)

Can I keep driving with code 3688 active?

With caution: limp mode possible, have it checked soon

How do you fix code 3688?

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

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