DTC Troubleshooting: U1402 (161-22)
DTC U1402:
 F-CAN Malfunction (TCM Received Invalid Shift Down Command While Cruise Control from ECM)
  1. Turn the ignition switch ON (II).
  1. Clear the DTCs with the HDS.
  1. Test-drive with cruise control.
  1. Check for DTCs with the HDS.
Is DTC U1402 indicated?
YES -
Check for Fuel and Emissions systems DTCs with the HDS.■
NO -
Intermittent failure, the system is OK at this time.■