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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC - Automatic >> Diagnostic Information and Procedures >> DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578 or B3583 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Inside Air Temperature Sensor Signal B0163 02 B0163 05 B0163 05 1
Ambient Air Temperature Sensor Signal B0158 02 B0158 05 B0158 05 1
Upper Left Air Temperature Sensor Signal B0173 02 B0173 05 B0173 05 1
Upper Right Air Temperature Sensor Signal B0509 02 B0509 05 B0509 05 1
Lower Left Air Temperature Sensor Signal B0178 02 B0178 05 B0178 05 1
Lower Right Air Temperature Sensor Signal B0514 02 B0514 05 B0514 05 1
Low Reference - B0173 05, B0158 05, B0163 05, B0509 05, B0178 05, B0514 05, B3933 05 B0173 05, B0158 05, B0163 05, B0509 05, B0178 05, B0514 05, B3933 05 1
Right Sunload Sensor Signal B0188 02 B0188 05 B0188 05 1
1. Air Temperature Malfunction