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Here is the TSB data...

#03-08-49-006 - (05/15/2003)
IP Cluster High Beam Indicator too Bright (Reprogram IPC)

2003 Cadillac Escalade, Escalade ESV, Escalade EXT
2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003 GMC Sierra, Yukon, Yukon XL

Some customers may comment that the IP cluster high beam indicator lamp is too bright.

To reduce the high beam indicator intensity level, reprogram the IPC with the service calibration that was available from Techline on the TIS2000 version 4.5 or later for 2003. This calibration is an electronic calibration and is not available from GMSPO. Edited by: dieselman
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