MasterTuning Fault code dictionary (DTC)

C1221 — Lamp ABS Warning Output Circuit Short To Ground

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningLamp ABS Warning Output Circuit Short To Ground.
FamilyChassis (C)

Frequently asked questions

What does code C1221 mean?

Lamp ABS Warning Output Circuit Short To Ground. Lamp ABS Warning Output Circuit Short To Ground.

Can I keep driving with code C1221 active?

With caution: limp mode possible, have it checked soon

How do you fix code C1221?

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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