Category: BMW

P1143 BMW Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1 Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Intake air leaks– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Fuel pressure– Injectors Tech description If there are no intake…

P1144 BMW Heated Oxygen Sensor 1 Rich Shift Monitoring Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks…

P1145 BMW Intake Valve Timing Control Performance Bank 2 Possible causes – Faulty Intake Valve Timing Control Solenoid Valve– Intake Valve Timing Control Solenoid Valve harness is open or shorted– Intake Valve Timing Control Solenoid Valve circuit poor electrical connection– Faulty Crankshaft Position Sensor– Faulty Camshaft Position Sensor Tech description Since the Intake valve timing…

P1146 BMW Heated Oxygen Sensor 2 Minimum Voltage Monitoring Bank 1 Possible causes – Faulty heated oxygen (O2) sensor 2 (rear)– Intake air leaks– Heated oxygen (O2) sensor 2 (rear) harness is open or shorted– Heated oxygen (O2) sensor 2 (rear) circuit poor electrical connection – Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing…

P1139 BMW HO2S Insufficient Switching Bank 1 Sensor 2 Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 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…

P1140 BMW HO2S22 Internal Resistance Too High Possible causes – Faulty HO2S22 Sensor– HO2S22 Sensor harness is open or shorted– HO2S22 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 K1300R,BMW K1300S,BMW K1600GT and…

P1141 BMW HO2S Heater Control Circuit Bank 1 Sensor 2 Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 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…

P1142 BMW HO2S12 Heater Circuit High Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 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 K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW…

P1134 BMW HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Short To B+ Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1134 BMW Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich…

P1135 BMW HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1135 BMW Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at…

P1137 BMW HO2S Circuit Low Voltage During Power Enrichment Sensor 2 Possible causes – Air leak near HO2S– Faulty HO2S– HO2S harness is open or shorted– HO2S 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…

P1138 BMW HO2S Circuit High Voltage During Decel Fuel Cut-Off Sensor 2 Possible causes – Vacuum leak on engine– Faulty Failed Mass Air Flow (MAF)– Faulty HO2S– HO2S harness is open or shorted– HO2S 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…

P1130 BMW Swirl Control Valve Control Solenoid Valve Possible causes – Faulty Swirl control valve control solenoid valve– Swirl control valve control solenoid valve circuit is open or shorted– Swirl control valve circuit is open or shorted– Faulty swirl control valve– Faulty Swirl control valve actuator What about the obd code? The P1130 BMW code…

P1131 BMW HO2S Circuit Low Variance Bank 1 Sensor 2 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1131 BMW Description A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no…

P1132 BMW HO2S Heater Circuit Bank 1/2 Sensor 1 Short To B+ Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 BMW Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the…

P1133 BMW HO2S Heater Circuit- Bank 1 & 2 Sensor 1 Electrical Malfunction Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1133 BMW Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at…

P1129 BMW Manifold Absolute Pressure Sensor Circuit Higher Than Expected Possible causes – Faulty Manifold Absolute Pressure Sensor– Manifold Absolute Pressure Sensor harness is open or shorted– Manifold Absolute Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine hard to start– Rough or erratic idle speed…

P1125 BMW Throttle Control Motor Circuit Malfunction Possible causes – Faulty Throttle Control Motor– Throttle Control Motor harness is open or shorted– Throttle Control Motor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1125 BMW Description Throttle motor is operated by the ECM and it opens and closes…

P1126 BMW Throttle Control Motor Relay Circuit Open Possible causes – Faulty Magnetic Clutch– Magnetic Clutch harness is open or shorted– Magnetic Clutch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1126 BMW Description Magnetic clutch is mounted between the throttle motor and the valve, and it connects…

P1127 BMW ECTS Actuator Power Source Circuit Malfunction Possible causes – Faulty Electronic Throttle Control System (ETCS) Actuator– Electronic Throttle Control System (ETCS) Actuator harness is open or shorted– Electronic Throttle Control System (ETCS) Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1127 BMW Description Battery positive…