P1631 TOYOTA Communication Error Between From ECM To VSC

Possible causes – Skid Control ECU / Engine Control Module (ECM) harness is open or shorted– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection– Faulty Skid Control ECU– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1631 TOYOTA OBD Code Description The Skid…

P0440 TOYOTA Evaporative Emission Control System Malfunction

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…

P0455 TOYOTA EVAP System Gross Leak Detected

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 P0455 it’s a very common code, because the code is…

P0442 TOYOTA EVAP System Small Leak Detected

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 There is a factory service bulletin for the following Toyota models:…

P0456 TOYOTA EVAP Control System Leak Detected Very Small Leak

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 Tech description There are factory service bulletin for the…

P2770 TOYOTA Torque Converter Clutch Solenoid Circuit High

Possible causes - Open in shift solenoid valve DSL circuit- Faulty Shift solenoid valve DSL- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2770 TOYOTA OBD Code Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the Engine Control Module (ECM) in order…