Category: HUMMER

Description OBD-II Trouble Code Description for P0652 Hummer Sensor Reference Voltage “B” Circuit Low The OBD2 Code Information Be Applicable For Hummer: 2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006…

Description OBD-II Trouble Code Description for P0650 Hummer Malfunction Indicator Lamp (MIL) Control Circuit What does this mean? OBD2 Code P0650 Hummer definition: Malfunction Indicator Lamp (MIL) is located on the instrument panel. When the ignition switch is turned ON without engine running, MIL will light up. This is a bulb check. When the engine…

Description OBD-II Trouble Code Description for P0651 Hummer Sensor Reference Voltage “B” Circuit/Open What does this mean? OBD2 Code P0651 Hummer definition: These 5-volt reference circuits are independent of each other outside the PCM, but are bussed together inside the Engine Control Module (ECM). Therefore a circuit condition on one sensor 5-volt reference circuit may…

Description OBD-II Trouble Code Description for P0649 Hummer Speed Control Lamp Control Circuit The OBD2 Code Information Be Applicable For Hummer: 2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006 Hummer…

Description OBD-II Trouble Code Description for P0647 Hummer A/C Clutch Relay Control Circuit High What does this mean? OBD2 Code P0647 Hummer definition: A/C clutch relay may also be referred to as A/C compressor clutch relay. A/C clutch relay circuit is monitored when ignition is on and battery voltage is greater than 10.4 volts. Symptoms…

Description OBD-II Trouble Code Description for P0648 Hummer Immobilizer Lamp Control Circuit The OBD2 Code Information Be Applicable For Hummer: 2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006 Hummer H2…

Description OBD-II Trouble Code Description for P0646 Hummer A/C Clutch Relay Control Circuit Low What does this mean? OBD2 Code P0646 Hummer definition: A/C clutch relay may also be referred to as A/C compressor clutch relay. A/C clutch relay circuit is monitored when ignition is on and battery voltage is greater than 10.4 volts. Symptoms…

Description OBD-II Trouble Code Description for P0644 Hummer Driver Display Serial Communication Circuit The OBD2 Code Information Be Applicable For Hummer: 2009 Hummer H3T Alpha,2008 Hummer HX Concept,2008 Hummer H3 Wagon Concept,2008 Hummer H3 Alpha,2008 Hummer H2,2007 Hummer H3 Open Top,2007 Hummer H3X,2007 Hummer H3R Off Road Concept,2007 Hummer H2 Safari Concept,2006 Hummer H3,2006 Hummer…

Description OBD-II Trouble Code Description for P0645 Hummer A/C Clutch Relay Control Circuit What does this mean? OBD2 Code P0645 Hummer definition: A/C clutch relay may also be referred to as A/C compressor clutch relay. A/C clutch relay circuit is monitored when ignition is on and battery voltage is greater than 10.4 volts. Symptoms Possible…

Description OBD-II Trouble Code Description for P0643 Hummer Sensor Reference Voltage “A” Circuit High What does this mean? OBD2 Code P0643 Hummer definition: The ECM has detected that the 5 volt reference voltage is too high Symptoms Possible sumptoms of OBD code P0643 Hummer – Engine Light ON (or Service Engine Soon Warning Light) Causes…