DTC U0415:68 [ADAPTIVE LED HEADLIGHTS CONTROL MODULE]


id1502c1002200

System malfunction location

DSC HU/CM malfunction

Detection condition
•  The adaptive LED headlights control module received CAN error signal from the DSC HU/CM 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))
•  Control of the headlight auto leveling system is continued.
Possible cause
•  DTCs are stored in the DSC HU/CM.
•  DSC HU/CM malfunction
•  Adaptive LED headlights control module malfunction
System wiring diagram

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY DSC HU/CM DTCs
•  Perform the DTC inspection for the DSC HU/CM using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS DSC HU/CM
•  Clear the adaptive LED headlights control module DTCs using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Perform the DTC inspection for the adaptive LED headlights control module using the M-MDS.
•  Is the DTC U0415:68 displayed?
Yes
Replace the DSC HU/CM, then go to the next step.
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the adaptive LED headlights control module DTCs using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Perform the DTC inspection for the adaptive LED headlights control module using the M-MDS.
•  Is the DTC U0415:68 displayed?
Yes
Replace the adaptive LED headlights control module, then go to the next step.
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.
No
DTC troubleshooting completed.