U2000-4B Motor Temperature - Over temperature: Action

NOTE: If this DTC has logged together with a ROM error DTC (P0605-00), the ROM error is the likely root cause. Refer to the DTC helptext for DTC P0605-00 and rectify this fault first before proceeding further

Check for related DTCs and investigate these first with reference to the relevant DTC index. Clear DTCs and retest
Refer to the electrical circuit diagrams and check the rear differential locking motor clutch actuation motor circuit for short circuit to power, short circuit to each other, open circuit, high resistance. Repair circuit as required. Clear DTC and retest
Clear DTC and retest. If fault persists, check and install a new rear differential locking motor as required