Possible causes – Fualty Throttle Control Motor relay – Throttle Control Motor relay harness is open or shorted – Throttle Control Motor relay circuit poor electrical connection When is the code detected? Engine Control Module (ECM) detect the throttle control
Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty Throttle Position Sensor– Throttle Position Sensor harness is open or shorted– Throttle Position Sensor circuit poor electrical connection When is the code detected? Engine Control Module (ECM) detected a Thottle Position (TP) sensor return voltage above
Possible causes – Fualty Differential Pressure Sensor– Differential Pressure Sensor harness is open or shorted– Differential Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1124 BMW Description Differential pressure sensor intake
Possible causes – Fualty Throttle Control Motor relay– Throttle Control Motor relay harness is open or shorted– Throttle Control Motor relay circuit poor electrical connection When is the code detected? – ECM detect the throttle control motor relay is stuck
Possible causes – Fualty Throttle Control Motor relay– Throttle Control Motor relay harness is open or shorted– Throttle Control Motor relay circuit poor electrical connection When is the code detected? Engine Control Module (ECM) detect the throttle control motor relay
Possible causes – Low fuel pressure– Fuel filter plugged– Fualty fuel pump– Engine mechanical condition– Large vacuum leak Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1124 Description Throttle Control Motor Relay Circuit Short is one of the definitions for the P1124; however your vehicle’s manufacturer may have a different definition for the P1124 code.