Diagnostic Procedure

DTC U0423:68 (PARKING SENSOR CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY OTHER PARKING SENSOR CONTROL MODULE DTCs Clear the DTC for the parking sensor control module using the M-MDS. (See CLEARING DTC [POSITION MEMORY CONTROL MODULE] .) Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [POSITION MEMORY CONTROL MODULE] .) Is DTC U3000:49 displayed?	Yes	Replace the parking sensor control module, then go to Step 4. (See PARKING SENSOR CONTROL MODULE REMOVAL/INSTALLATION .)
1		No	Go to the next step.
2	VERIFY INSTRUMENT CLUSTER DTCs Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are any DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [INSTRUMENT CLUSTER] .)
2		No	Go to the next step.
3	VERIFY IF MALFUNCTIONING LOCATION IS INSTRUMENT CLUSTER DEPENDING ON REPEATABILITY Clear the DTC for the parking sensor control module using the M-MDS. (See CLEARING DTC [POSITION MEMORY CONTROL MODULE] .) Switch the ignition ON (engine off or on) and wait for 5 s or more. Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [POSITION MEMORY CONTROL MODULE] .) Is the same DTC displayed?	Yes	Replace the instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
3		No	Go to Step 5.
4	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the parking sensor control module using the M-MDS. (See CLEARING DTC [POSITION MEMORY CONTROL MODULE] .) Switch the ignition ON (engine off or on) and wait for 5 s or more. Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [POSITION MEMORY CONTROL MODULE] .) Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the parking sensor control module. (See PARKING SENSOR CONTROL MODULE REMOVAL/INSTALLATION .) Go to the next step.
4		No	Go to the next step.
5	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PARKING SENSOR CONTROL MODULE] .)
5		No	DTC troubleshooting completed.