Diagnostic Aids
When this DTC sets, the PSCM sends a message to the IPC over the HS-CAN to display STEERING ASSIST FAULT SERVICE REQUIRED in the message center. If DTC U2100:00 is present and the steering assist is operating normally, the vehicle data configuration may be missing or incomplete.
If DTC U2100:00 is present and steering assist is disabled, the component base data configuration may be missing or incomplete.
REFER to PMI in Module Configuration System for additional information on module configuration.