Instrument Cluster Illumination Lamps Do Not Dim. Buick LeSabre 2000

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Instrument Cluster Illumination Lamps Do Not Dim

Step	Action	Value(s)	Yes	No
1	Did you perform the Instrument Cluster Diagnostic System Check?	--	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Install a scan tool. Turn ON the ignition, with the engine OFF. With the scan tool, observe the Incandescent Dim #1 parameter in the Dash integration Module (DIM) data list. Does the output percentage and lamp intensity change when the dimmer switch is moved from Hi to Low?	--	Go to Step 3	Go to Diagnostic System Check - Lighting Systems in Lighting Systems
3	Replace the instrument panel cluster. Refer to Instrument Cluster Replacement . Did you complete the replacement?	--	System OK	--

Step

Action

Value(s)

Yes

Did you perform the Instrument Cluster Diagnostic System Check?

Install a scan tool.
Turn ON the ignition, with the engine OFF.
With the scan tool, observe the Incandescent Dim #1 parameter in the Dash integration Module (DIM) data list.

Does the output percentage and lamp intensity change when the dimmer switch is moved from Hi to Low?

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

System OK