Diagnostic Procedure

DTC U0402:68 (AWD CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	VERIFY DTCs FOR TCM Verify DTCs for the TCM using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (FW6A-EL, FW6AX-EL)] .) (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (GW6A-EL, GW6AX-EL)] ). Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL, FW6AX-EL)] ). (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (GW6A-EL, GW6AX-EL)] ).
1		No	Go to the next step.
2	DRIVE VEHICLE THEN VERIFY DTCs FOR TCM AGAIN Drive the vehicle at a vehicle speed of 30 km/h {19 mph} or more for 100 s or more. Verify DTCs for the TCM using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (FW6A-EL, FW6AX-EL)] .) (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (GW6A-EL, GW6AX-EL)] ). Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (FW6A-EL, FW6AX-EL)] ). (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (GW6A-EL, GW6AX-EL)] ).
2		No	Go to the next step.
3	VERIFY DTC TROUBLESHOOTING COMPLETED Using the M-MDS, clear the DTC from the AWD control module. (See CLEARING DTC [AWD CONTROL MODULE] ). Using the M-MDS, perform the AWD control module DTC inspection. (See DTC INSPECTION [AWD CONTROL MODULE] ). Is the same Pending DTC present?	Yes	Replace the AWD control module, then go to the next step. (See AWD CONTROL MODULE REMOVAL/INSTALLATION ).
3		No	Go to the next step.
4	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [AWD CONTROL MODULE] ).
4		No	DTC troubleshooting completed.