MasterTuning Fault code dictionary (DTC)

P0955 — ASM Mode Circuit [Perf / Winter / Sport / etc]

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningASM Mode Circuit [Perf / Winter / Sport / etc].
FamilyPowertrain (P)

Frequently asked questions

What does code P0955 mean?

ASM Mode Circuit [Perf / Winter / Sport / etc]. ASM Mode Circuit [Perf / Winter / Sport / etc].

Can I keep driving with code P0955 active?

With caution: limp mode possible, have it checked soon

How do you fix code P0955?

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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