What causes a U0312 code?

U0312 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a U0312 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0312 active.

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

Log in Sign up

OBD-II

U0312

Battery Energy Control Module A Software Incompatibility

What it means

The hybrid/EV battery management software version is incorrect, which may limit battery charging or discharging.

Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes

Log in Sign up free