Category: BMW

P1286 BMW Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1287 BMW Fuel Injection Pump Controller Supply Voltage Low Condition Possible causes – Fuel injection pump ground circuit open– Battery defective 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…

P1288 BMW Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 2– Air fuel ratio (A/F) sensor 1 heater Bank 2– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1289 BMW Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 2– Air fuel ratio (A/F) sensor 1 heater Bank 2– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1282 BMW Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1283 BMW Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2 Possible causes – Faulty Air fuel ratio (A/F) sensor 1 Bank 2 – Faulty Air fuel ratio (A/F) sensor 1 heater Bank 2 – Fuel pressure– Faulty Fuel injector – Intake air leaks– Faulty Air Flow Meter Tech description If one or more…

P1284 BMW Air Fuel Ratio Sensor 1 Rich Shift Monitoring Bank 2 Possible causes – Faulty Air fuel ratio (A/F) sensor 1 Bank 1 – Faulty Air fuel ratio (A/F) sensor 1 heater Bank 1 – Fuel pressure– Faulty Fuel injector – Faulty Air Flow Meter Tech description What about the obd code? The A/F…

P1285 BMW Cylinder head over temp sensed Possible causes Low engine coolant level. Base engine concerns. Engine cooling system concerns. CHT sensor concern. Tech description On some applications when this fault occurs the Engine Temperature warning indicator will illuminate and/or force the temperature gauge to the full H (hot) zone. The warning indicator can be…

P1278 BMW Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 1– Air fuel ratio (A/F) sensor 1 heater Bank 1– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1279 BMW Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 1– Air fuel ratio (A/F) sensor 1 heater Bank 1– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1280 BMW Accelerator Pedal Position (APP) Sensor 2 Circuit Technical Service Bulletins for P1280 BMW code 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…

P1281 BMW Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1274 BMW Cylinder #4 High To Low Side Open Possible causes Air fuel ratio (A/F) sensor 1 Air fuel ratio (A/F) sensor 1 heater Fuel pressure Fuel injector What about the obd code? The output voltage computed by ECM from the A/F sensor 1 (Bank 1) signal is shifted to the rich side for a…

P1275 BMW Cylinder #5 High To Low Side Open Possible causes Fuel injector No. 5 output circuit short to voltage. Injector. NG Module. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1275 BMW Description Indicates a high voltage condition exists at the injector output of the NG module for cylinder No. 5…

P1276 BMW Cylinder #6 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 1.5V. Symptoms – Engine…

P1277 BMW Cylinder #7 High To Low Side Open Possible causes Fuel injector No. 7 output circuit short to voltage. Injector. NG Module. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1277 BMW Description Indicates a high voltage condition exists at the injector output of the NG module for cylinder No. 7…

P1270 BMW Engine RPM Or Speed Limiter Reached Possible causes – Wheel slippage (water, ice, mud and snow)– Excessive engine RPM in neutral– Vehicle drive at a high rate of speed Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1270 BMW Description Engine RPM/Vehicle Speed Limiter Indicates the vehicle has been operated…

P1271 BMW Cylinder #1 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 0V. Symptoms – Engine…

P1272 BMW Cylinder #2 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 5V. Symptoms – Engine…

P1273 BMW Cylinder #3 High To Low Side Open Possible causes – Shorted injector circuit – Faulty fuel injector – Faulty fuel injector interface module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1273 BMW Description A fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector…