Possible causes – Faulty Skip Shift Lamp– Skip Shift Lamp harness is open or shorted– Skip Shift Lamp circuit poor electrical connection When is the obd code mean? When the Powertrain Control Module (PCM) commands the control circuit to a component OFF, the voltage potential of the circuit should be high (near battery voltage). If…
Tag: HUMMER
P0141 HUMMER O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The…
P0036 HUMMER HO2S Heater Control Circuit Bank 1 Sensor 2
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The code…
P0105 HUMMER Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…
P0100 HUMMER Mass Air Flow Sensor
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0101 HUMMER Mass or Volume Air Flow Circuit Range/Performance Problem
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0102 HUMMER Mass or Volume Air Flow Circuit Low Input
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0103 HUMMER Mass or Volume Air Flow Circuit High Input
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P1174 HUMMER Fuel Trim Cylinder Balance Bank 1
Possible causes – Faulty Oxygen sensor– Ignition problem– Fuel injection problem– Engine mechanical condition Tech description There is a factory service bulletin for the following HUMMER models: 2003-2008 HUMMER H22003-2008 HUMMER Factory Service Bulletin OBDII Code P1174 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1174 HUMMER OBD Code Description The Engine…
P1175 HUMMER Fuel Trim Cylinder Balance Bank 2
Possible causes – Faulty Oxygen sensor– Ignition problem– Fuel injection problem– Engine mechanical condition Tech description There is a factory service bulletin for the following HUMMER models: 2003-2008 HUMMER H22003-2008 HUMMER Factory Service Bulletin OBDII Code P1175 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1175 HUMMER OBD Code Description The Engine…