MasterTuning Fault code dictionary (DTC)

B1218 — Horn Relay Coil Circuit Short to Vbatt

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningHorn Relay Coil Circuit Short to Vbatt.
FamilyBody (B)

Frequently asked questions

What does code B1218 mean?

Horn Relay Coil Circuit Short to Vbatt. Horn Relay Coil Circuit Short to Vbatt.

Can I keep driving with code B1218 active?

With caution: limp mode possible, have it checked soon

How do you fix code B1218?

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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