MasterTuning Fault code dictionary (DTC)

B2490 — UNDERHOOD LAMP OUTPUT CIRCUIT Short to Battery

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningUNDERHOOD LAMP OUTPUT CIRCUIT Short to Battery.
FamilyBody (B)

Frequently asked questions

What does code B2490 mean?

UNDERHOOD LAMP OUTPUT CIRCUIT Short to Battery. UNDERHOOD LAMP OUTPUT CIRCUIT Short to Battery.

Can I keep driving with code B2490 active?

With caution: limp mode possible, have it checked soon

How do you fix code B2490?

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.

Need help with this fault?

We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.

Contact us
Where to get it fixed

Related codes