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This category contains a list of Diagnostic Trouble Codes (DTCs) specific to Hummer vehicles.

Hummer DTC Codes

Hummer DTC Codes Hummer Dtc Codes Description P1101 Intake airflow -incorrect P1106 Manifold absolute pressure (MAP) sensor voltage high, intermittent P1107 Manifold absolute pressure (MAP) sensor voltage low, intermittent P1111 Intake air temperature (lAT) sensor -voltage high, intermittent P1112 Intake air temperature (IAT) sensor -voltage low, intermittent P1114 Engine coolant temperature (ECT) sensor voltage is low, intermittent P1115 Engine coolant temperature (ECT) sensor voltage is high, intermittent P1125… Read More »Hummer DTC Codes