MasterTuning Fault code dictionary (DTC)

U1104 — SCP (J1850) Invalid or Missing Data for Chassis Status Request

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningSCP (J1850) Invalid or Missing Data for Chassis Status Request.
FamilyNetwork (U)

Frequently asked questions

What does code U1104 mean?

SCP (J1850) Invalid or Missing Data for Chassis Status Request. SCP (J1850) Invalid or Missing Data for Chassis Status Request.

Can I keep driving with code U1104 active?

With caution: limp mode possible, have it checked soon

How do you fix code U1104?

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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