Conditions for Setting the DTC

C0407 01 

When rotating clockwise, the differential clutch pump current on the high control circuit is excessive and the low control circuit current is less than 50% of the high control current.

OR

When rotating counter-clockwise, the differential clutch pump current on the low control circuit is excessive and the high control circuit current is less than 50% of the low control current.

C0407 02 

When rotating clockwise, the differential clutch pump current on the low control circuit is excessive and the high control circuit current is less than 90% of the low control current.

OR

When rotating counter-clockwise, the differential clutch pump current on the high control circuit is excessive and the low control circuit current is less than 90% of the high control current.

C0407 04 

The differential clutch pump current is less than 0.207 A.

C0407 54 

The differential clutch pump motor calculated temperature is greater than 140°C (284°F).

C0407 61 

The rear differential clutch control module determines the differential clutch pump is stuck.