Category: BMW

P1455 BMW Exhaust Gas Temperature Sensor 1 Range/Performance Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW…

P1456 BMW Evaporative Emission Control System Leak Detected Small Leak Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve– Leak is in line between intake manifold and EVAP canister purge volume…

P1452 BMW Unable To Bleed – Up Vacuum in Tank Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW E46/2,BMW E46/C,BMW E52,BMW E53,BMW…

P1449 BMW Evaporative Check Solenoid Circuit Malfunction Possible causes – Battery Module Tech description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1449 BMW Description The high-voltage battery in the IMA (integrated motor assist) system is designed to operate within the upper and lower limits of the SOC (state of charge) voltage…

P1450 BMW Unable To Bleed Up Fuel Tank Vacuum Possible causes Blockages or kinks in the EVAP canister tube or EVAP canister purge outlet tube (between the fuel tank, EVAP the canister purge valve and the EVAP canister). Fuel filler cap stuck closed (no vacuum relief). Contaminated fuel vapor elbow on the EVAP canister. Restricted…

P1451 BMW EVAP Control System Canister Vent Solenoid Circuit Malfunction Possible causes – Loose or missing gas cap– Faulty gas cap– Canister Vent Solenoid harness is open or shorted– Canister Vent Solenoid electrical circuit poor connection– Faulty Canister Vent Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1451 BMW Mercury Description…

P1446 BMW EVAP Canister Vent Control Valve Close Possible causes – EVAP control system pressure sensor and the circuit– Blocked rubber tube to EVAP canister vent control valve– EVAP canister vent control valve– Water separator– EVAP canister is saturated with water Tech description What about the obd code? EVAP canister vent control valve remains closed…

P1447 BMW Evaporative Emission Control System Purge Flow Monitor Possible causes – EVAP canister purge volume control solenoid valve stuck closed – EVAP control system pressure sensor and the circuit – Loose, disconnected or improper connection of rubber tube – Blocked rubber tube – Cracked EVAP canister – EVAP canister purge volume control solenoid valve…

P1448 BMW EVAP Canister Vent Control Valve Open Possible causes – EVAP canister vent control valve– EVAP canister is saturated with water– EVAP control system pressure sensor and the circuit– Blocked rubber tube to EVAP canister vent control valve– Water separator Tech description Start by checking for damage EVAP canister or hoses. If no hoses…

P1442 BMW Secondary Air Injection System Switching Valve No.2 Stuck Close Bank 1 Possible causes – Faulty Vacuum Switching Valve (VSV)– VSV for air injection control circuit Bank 1– Air switching valve No.2 Bank 1– VSV for air injection system Bank 1– Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon…

P1443 BMW Evaporative Emission Control System Control Valve Possible causes Blocked fuel vapor hose between the EVAP canister purge valve and the FTP sensor. Blocked fuel vapor hose between the EVAP canister purge valve and the engine intake manifold. Blocked vacuum hose between the EVAP canister purge valve solenoid and the engine intake manifold. EVAP…

P1444 BMW Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 2 Possible causes – Faulty Vacuum Switching Valve (VSV)– VSV for air injection control circuit Bank 2– Air switching valve No.2 Bank 2– VSV for air injection system Bank 2– Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon…

P1445 BMW Catalyst Temperature Sensor 2 Circuit Range/Performance Possible causes – Faulty Catalyst Temperature Sensor– Catalyst Temperature Sensor harness is open or shorted– Catalyst Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW…

P1438 BMW A/C Evaporator Air Temperature Circuit Range/Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1438 BMW Information for specific makes BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW…

P1439 BMW Motor Drive Module (MDM) Short Circuit BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW E46/2,BMW E46/C,BMW E52,BMW E53,BMW E60,BMW E61,BMW E62,BMW E63,BMW E64,BMW E65,BMW E66,BMW E67,BMW E68,BMW E70,BMW E71,BMW E72,BMW E81,BMW…

P1440 BMW Evaporative Emission Control System, Small Leak Possible causes – Incorrect fuel tank vacuum relief valve – Incorrect fuel filler cap used – Fuel filler cap remains open or fails to close – Foreign matter caught in fuel filler cap – Leak is in line between intake manifold and EVAP canister purge volume control…

P1441 BMW Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 1 Possible causes – Faulty Vacuum Switching Valve (VSV)– VSV for air injection control circuit Bank 1– Air switching valve No.2 Bank 1– VSV for air injection system Bank 1– Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon…

P1436 BMW A/C Evaporator Air Temperature Circuit Low Possible causes ACET circuit short to ground or SIG RTN. Damaged ACET sensor. Damaged PCM. Tech description The PCM sources a low current 5 volts on the ACET circuit (this voltage can be measured with the sensor disconnected). As the A/C evaporator air temperature changes, the ACET…

P1437 BMW A/C Evaporator Air Temperature Circuit High Possible causes ACET circuit open. SIG RTN circuit open to the ACET sensor. ACET circuit short to power (VREF). Damaged ACET sensor. Damaged PCM. Tech description The PCM sources a low current 5 volts on the ACET circuit (this voltage can be measured with the sensor disconnected)….

P1434 BMW A/C Refrigerant Temperature Circuit High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW E46/2,BMW E46/C,BMW E52,BMW E53,BMW E60,BMW E61,BMW E62,BMW…