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Diagnostic Procedure

DTC U250A:86 (AUTO LEVELING CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY LIGHT CONTROL MODULE (LH) RELATED DTCs 
  • Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .)
  • Is a light control module (LH) related DTC displayed?
Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No Go to the next step.
2 INSPECT LIGHT CONTROL MODULE (LH) FOR MALFUNCTION DEPENDING ON REPEATABILITY 
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • 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 front combination light (LH) and perform the repair completion verification. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION .)
No Go to repair completion verification 2.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED 
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • 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, perform the diagnosis from Step 1.
No Go to the next step.
Repair completion verification 2 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.
No DTC troubleshooting completed.