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.
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.