MasterTuning Fault code dictionary (DTC)

C1805 — Mismatched PCM and/or ABS-TC Module

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningMismatched PCM and/or ABS-TC Module.
FamilyChassis (C)

Frequently asked questions

What does code C1805 mean?

Mismatched PCM and/or ABS-TC Module. Mismatched PCM and/or ABS-TC Module.

Can I keep driving with code C1805 active?

With caution: limp mode possible, have it checked soon

How do you fix code C1805?

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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