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Home >> Hummer >> 2006 >> H2 4D Utility Pickup >> Repair and Diagnosis >> External Pages >> Different car >> Section 722 (HVAC Systems - Automatic) >> Diagnostic Information and Procedures >> Diagnostic Code Index

Diagnostic Code Index

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DIAGNOSTIC CODE INDEX

DTC Description
DTC B0159 or B0164 
  • DTC B0159 Outside Air Temperature Sensor Circuit Range/Performance
  • DTC B0164 Passenger Compartment Temperature Sensor Circuit Range/Performance
DTC B0174, B0179, B0510, or B0515 
  • DTC B0174 Output Air Temperature Sensor (Upper Left) Circuit Range/Performance
  • DTC B0179 Output Air Temperature Sensor 2 (Lower Left) Circuit Range/Performance
  • DTC B0510 Output Air Temperature Sensor 3 (Upper Right) Circuit Range/Performance
  • DTC B0515 Output Air Temperature Sensor 4 (Lower Right) Circuit Range/Performance
DTC B0183 or B0188  v
DTC B0229, B0414, B0424, or B3770 
  • DTC B0229 Recirculate Position Feedback Circuit Range/Performance
  • DTC B0414 Temperature Control 1 Feedback Circuit Range/Performance
  • DTC B0424 Temperature Control 2 Feedback Circuit Range/Performance
  • DTC B3770 Air Flow Control 6 Feedback Circuit
DTC B0263, B0268, B0408, or B0418 
  • DTC B0263 Air Flow Control 6 Circuit
  • DTC B0268 Air Flow Control 7 Circuit
  • DTC B0408 Temperature Control 1 Circuit
  • DTC B0418 Temperature Control 2 Circuit
DTC B0989  Output Air Temperature Lower Sensors Correlation
DTC B0990  Output Air Temperature Upper Sensors Correlation
DTC B1375  Device Ignition 3 Circuit
DTC P0530 (LU3, LR4, LM7, LQ4 and L18)  Air Conditioning Refrigerant Pressure Sensor Circuit
DTC P0530 (LB7)  Air Conditioning Refrigerant Pressure Sensor Circuit