What causes a U0214 code?

U0214 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 U0214 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0214 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.

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OBD-II

U0214

Lost Communication with Remote Function Actuation

What it means

Communication failure with the keyless entry/remote start module. Remote locking and engine start functions will fail.

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