Possible causes – Missing or loose fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Evaporative Emission (EVAP) canister or fuel tank leaks– Evaporative Emission (EVAP) system hose leaking– Fuel tank leaking When is the obd code mean? Evaporative Emission (EVAP)…
Tag: AUDI
P0785 AUDI Shift/Timing Solenoid Malfunction
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Transmission may not shift to the next gear
P0740 AUDI Torque Converter Clutch Circuit Malfunction
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness is open or shorted– Torque converter clutch solenoid valve circuit poor electrical connection When is the obd code mean? Diagnostic trouble code P0740 is detected when TCM detects an improper voltage drop when…
P0741 AUDI Torque Converter Clutch Circuit Performance or Stuck Off
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty torque converter clutch solenoid valve– Torque converter clutch solenoid valve harness or connectors– Torque converter clutch solenoid valve circuit is open or shorted– Transmission internal mechanical problem When is the obd code mean? Lock-up does not occur when driving in lock-up range or lockup…
P0731 AUDI Gear 1 Incorrect Ratio
Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0731 is detected when A/T cannot be shifted to the 1st gear position even…
P0733 AUDI Gear 3 Incorrect Ratio
Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0733 is detected when A/T cannot be shifted to the 3rd gear position even…
P0734 AUDI Gear 4 Incorrect Ratio
Possible causes – Low transmission fluid level– Dirty transmission fluid– Shift solenoids– Transmission mechanical problems– Transmission hydraulic control circuit Tech description Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the obd code mean? P0734 is detected when A/T cannot be shifted to the 4th gear position even…
P0781 AUDI 1-2 Shift Malfunction
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the obd code mean? The P0781 code is detected when actual gear position and the commanded gear position are different Symptoms – Engine Light…
P0782 AUDI 2-3 Shift Malfunction
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the obd code mean? The P0782 code is detected when actual gear position and the commanded gear position are different Symptoms – Engine Light…
P0783 AUDI 3-4 Shift Malfunction
Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shifting solenoid valve– Shifting solenoid valve harness is open or shorted– Shifting solenoid valve circuit poor electrical connection When is the obd code mean? The P0783 code is detected when actual gear position and the commanded gear position are different Symptoms – Engine Light…