MasterTuning Fault code dictionary (DTC)

U1601 — ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: Dodge
MeaningECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED.
FamilyNetwork (U)

Frequently asked questions

What does code U1601 mean?

ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED. ECU APPLICATION SOFTWARE CODE 1 MISSING OR CORRUPTED.

Can I keep driving with code U1601 active?

With caution: limp mode possible, have it checked soon

How do you fix code U1601?

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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