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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays & Gages >> Diagnostic Information and Procedures >> DTC B3621 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
HUD Switch Signal Circuit B3619 - - -
HUD Image Up Control Circuit B3620 - - -
HUD Image Down Control Circuit B3621 - - -
Illuminated Display Signal Circuit B3634 - - -
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