U2021 — LIN bus 2 circuit short to ground

U2021 means: LIN bus 2 circuit short to ground. It is a Network (CAN bus, communication) fault code defined by the OBD-II standard.

With U2021 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Network (CAN bus, communication)

LIN bus 2 circuit short to ground

Can I drive with U2021?

You can usually drive home and book an inspection within a few days.

What does fault code U2021 mean?

U2021 means LIN bus 2 circuit short to ground.

Can I keep driving with U2021?

You can usually drive home and book an inspection within a few days.