DTC U0515:68 [ADAPTIVE LED HEADLIGHTS CONTROL MODULE]

Description	Error signal received from start stop unit
Detection condition	• The adaptive LED headlights control module received CAN error signal from the start stop unit for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	• When the setting is on using the personalization feature, the headlights HI turn on. (When setting is off using personalization feature, headlight HI illumination on/off depends on control by front body control module (FBCM)) • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	• DTCs are stored in the start stop unit. • Start stop unit malfunction • Adaptive LED headlights control module malfunction
System wiring diagram	Not applicable

Description

Error signal received from start stop unit

Detection condition

• The adaptive LED headlights control module received CAN error signal from the start stop unit for 5 s or more with the ignition switched ON (engine off or on).

Fail-safe

• When the setting is on using the personalization feature, the headlights HI turn on. (When setting is off using personalization feature, headlight HI illumination on/off depends on control by front body control module (FBCM))

• The headlight leveling actuator is stopped at the position when the malfunction is determined.

Possible cause

• DTCs are stored in the start stop unit.

• Start stop unit malfunction

• Adaptive LED headlights control module malfunction

System wiring diagram

Not applicable

Step	Inspection	Action
1	VERIFY START STOP UNIT DTCs • Retrieve the start stop unit DTCs using the M-MDS. (See DTC INSPECTION [START STOP UNIT].) • Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [START STOP UNIT].)
No	Go to the next step.
2	VERIFY IF MALFUNCTIONING LOCATION IS START STOP UNIT DEPENDING ON REPEATABILITY • Clear the adaptive LED headlights control module DTCs using the M-MDS. (See CLEARING DTC [ADAPTIVE LED HEADLIGHTS CONTROL MODULE].) • Switch the ignition ON (engine off or on) and wait for 5 s or more. • Retrieve the adaptive LED headlights control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE LED HEADLIGHTS CONTROL MODULE].) • Is the same DTC displayed?	Yes	Replace the start stop unit, then go to the next step. (See START STOP UNIT REMOVAL/INSTALLATION.)
No	Go to Step 4.
3	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Clear the adaptive LED headlights control module DTCs using the M-MDS. (See CLEARING DTC [ADAPTIVE LED HEADLIGHTS CONTROL MODULE].) • Switch the ignition ON (engine off or on) and wait for 5 s or more. • Retrieve the adaptive LED headlights control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE LED HEADLIGHTS CONTROL MODULE].) • Is the same DTC displayed?	Yes	Replace the adaptive LED headlights control module, then go to the next step. (See ADAPTIVE LED HEADLIGHTS CONTROL MODULE REMOVAL/INSTALLATION.)
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 [ADAPTIVE LED HEADLIGHTS CONTROL MODULE].)
No	DTC troubleshooting completed.

Step

Inspection

Action

VERIFY START STOP UNIT DTCs

• Retrieve the start stop unit DTCs using the M-MDS.

(See DTC INSPECTION [START STOP UNIT].)

• Is the DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [START STOP UNIT].)

Go to the next step.

VERIFY IF MALFUNCTIONING LOCATION IS START STOP UNIT DEPENDING ON REPEATABILITY