MasterTuning Fault code dictionary (DTC)

B1814 — Wiper Rear Motor Down Relay Coil Circuit Failure

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningWiper Rear Motor Down Relay Coil Circuit Failure.
FamilyBody (B)

Frequently asked questions

What does code B1814 mean?

Wiper Rear Motor Down Relay Coil Circuit Failure. Wiper Rear Motor Down Relay Coil Circuit Failure.

Can I keep driving with code B1814 active?

With caution: limp mode possible, have it checked soon

How do you fix code B1814?

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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