High Beam Indicator Always On

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn the ignition switch to the RUN position. Turn the headlamp switch to the ON position. Place the multifunction headlamp dimmer switch to the low beams position. Does the high beam indicator turn OFF as expected?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	Do the high beam headlamps turn OFF as expected?	Go to Step 4	Go to Symptoms - Lighting Systems
4	Using a scan tool, select instrument panel cluster (IPC), Special Functions, and command the Lamp Test ON, then OFF. Does the high beam indicator lamp turn ON and OFF when commanded?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 5
5	Inspect for poor connections at the harness connector of the IPC. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 7	Go to Step 6
6	Replace the IPC. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?	Go to Step 7	-
7	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3