P0440 MAZDA Evaporative Emission System

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– EVAP canister or fuel tank leaks– EVAP system hose leaking– Fuel tank leaking Tech description The P0440 code means that the control module has detected a…

P0740 MAZDA Torque Converter Clutch Solenoid Valve 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…

P0742 MAZDA Torque Converter Clutch Circuit Stuck On

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 Tech description When the a transmission solenoid is stuck on, in most cases the problem is not…

P0741 MAZDA Torque Converter Clutch Solenoid Valve 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…

P0771 MAZDA Shift Solenoid E Stuck Off

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘E’ valve– Shift solenoid ‘E’ valve harness is open or shorted– Shift solenoid ‘E’ valve circuit poor electrical connection Tech description When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid;…

P0772 MAZDA Shift Solenoid E Stuck On

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘E’ valve– Shift solenoid ‘E’ valve harness is open or shorted– Shift solenoid ‘E’ valve circuit poor electrical connection Tech description When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid;…

P0773 MAZDA Shift Solenoid E Malfunction

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘E’ valve– Shift solenoid ‘E’ valve harness is open or shorted– Shift solenoid ‘E’ valve circuit poor electrical connection When is the obd code mean? The P0773 code is detected when the gear required by the ECM does not match the actual…

P0732 MAZDA Second Gear Error

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty Shift Solenoids– Shift Solenoids harness is open or shorted– Shift Solenoids circuit poot electrical connection– 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?…

P0780 MAZDA 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 P0780 codes is detected when no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and…

P0781 MAZDA 1-2 Shift Valve 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…