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Home >> Cadillac >> 2008 >> XLR Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gages >> Diagnostic Information and Procedures >> Head Up Display (HUD) Always On >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage
HUD Battery Positive Voltage Circuit 1 1 -
HUD Ground Circuit - 1 -
Dimmer/HUD Switch Ground Circuit - 2
1
-
Dimmer/HUD Up Switch Signal Circuit 2
1
2
1
2
1
Dimmer/HUD Down Switch Signal Circuit 2
1
2
1
2
1
1. HUD Inoperative
2. HUD Always On