Diagnostic Procedure

DTC U2300:56 (AUTO LEVELING CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	VERIFY BODY CONTROL MODULE (BCM) DTCs Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .) Is a DTC displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
1		No	Go to the next step.
2	RESET CONFIGURATION DATA FOR BODY CONTROL MODULE (BCM) Using the M-MDS, perform the body control module (BCM) configuration. (See CONFIGURATION .) Clear the DTC recorded in the memory. (See CLEARING DTC .) Switch the ignition ON (engine off or on) and wait for 30 s or more. Perform the DTC inspection for the auto leveling control module. (See DTC INSPECTION .) Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. If the CAN communication is normal, replace the auto leveling control module and perform the repair completion verification. (See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION .)
2		No	Go to the next step.
Repair completion verification	VERIFY IF OTHER DTC IS DISPLAYED Perform the DTC inspection. (See DTC INSPECTION .) Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification		No	DTC troubleshooting completed.