When you find your car led bulbs not working, please check if right volts of led bulbs in advance.

If volts of car led bulbs is ok, I suggest you’d better use an extra resistor.

Because car led bulbs are very small electric currents, some car BCM imcompatible with them.

For instance, most of car led bulbs only about 2.0amp, but halogen will be 4.5amp in there.

Most of car led bulbs not working due to small electric currents.

Although some car led bulbs using canbus error free, it still can’t remove car led bulbs not working 100%.

Welcome all customers come to talk with us about car led bulbs not working by email.