Diagnostic Procedure

DTC B1B38:2A (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 [PARKING SENSOR CONTROL MODULE] .) Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [PARKING SENSOR CONTROL MODULE] .) Is DTC U3000:49 displayed?	Yes	Replace the parking sensor control module, then go to Step 5. (See PARKING SENSOR CONTROL MODULE REMOVAL/INSTALLATION .)
1		No	Go to the next step.
2	VERIFY IF FRONT ULTRASONIC SENSOR (RH) CHARACTERISTIC DETERIORATES TEMPORARILY Clear the DTC for the parking sensor control module using the M-MDS. (See CLEARING DTC [PARKING SENSOR CONTROL MODULE] .) Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [PARKING SENSOR CONTROL MODULE] .) Is the same DTC displayed?	Yes	Go to the next step.
2		No	System is normal. (Explain to the customer that there is a temporary malfunction due to driving in a place where muddy water was splashed, or driving in a cold region.)
3	VERIFY FRONT BUMPER EXTERNAL APPEARANCE AND INSTALLATION CONDITION Verify that the front bumper external appearance and installation condition. Are the front bumper external appearance and installation condition normal?	Yes	Go to the next step.
3		No	Repair or replace the front bumper, then go to Step 5. (See FRONT BUMPER REMOVAL .) (See FRONT BUMPER INSTALLATION .)
4	INSPECT FRONT ULTRASONIC SENSOR (RH) SURFACE Visually inspect the front ultrasonic sensor (RH) sensor for the following. Scratches Deformation Dirt Freezing Are there scratches, deformation, dirt or freezing on the front ultrasonic sensor (RH)?	Yes	If there are scratches or deformation: Replace the front ultrasonic sensor (RH), then go to the next step. (See FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION .) If there is dirt or freezing: Remove dirt or freezing, then go to the next step.
4		No	Replace the front ultrasonic sensor (RH), then go to the next step. (See FRONT ULTRASONIC SENSOR REMOVAL/INSTALLATION .)
5	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the parking sensor control module using the M-MDS. (See CLEARING DTC [PARKING SENSOR CONTROL MODULE] .) Retrieve the parking sensor control module DTCs using the M-MDS. (See DTC INSPECTION [PARKING SENSOR 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.
5		No	Go to the next step.
6	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] .)
6		No	DTC troubleshooting completed.