Diagnostic Aids

DTC U0401:00 indicates an engine speed or vehicle speed concern. The module reporting this DTC is not the problem module. Do not install a new PSCM as part of the repair for PSCM DTC U0401:00.

The presence of DTC U0401:00 will prevent the active park assist system (if equipped) from activating. If set during an active park assist event, the event will be terminated and the active park assist system will deactivate.