Pinpoint Test Y: U3000:49
- Refer to PARKING, REAR AND LICENSE LAMPS
for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview . REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition HCM U3000:49 Control Module: Internal Electronic Failure A continuous memory and on-demand DTC that sets due to internal HCM failure. Possible Sources
- HCM
- Y1 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR HCM (HEADLAMP CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the HCM self-test.
Does HCMDTC U3000:49 return?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new HCM. REFER to: Headlamp Control Module (HCM) . No The system is operating correctly at this time.