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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6L50/6L80/6L90 - DTC P0973 To DTC P2764 >> DTC P0989 or P0990 >> DTC Descriptors

DTC Descriptors

DTC P0989

Transmission Fluid Pressure (TFP) Switch 5 Circuit Low Voltage

DTC P0990

Transmission Fluid Pressure (TFP) Switch 5 Circuit High Voltage