Frigidaire Washer Error Code E46

Error code E46 on a Frigidaire washer indicates a lid lock command sensing failure. This means the control board sent a command to engage or disengage the lid lock mechanism, but the feedback signal it received did not confirm that the expected action occurred. The lid lock system is a safety-critical circuit that prevents the washer from spinning or agitating while the lid is open. When the control board cannot verify the lock's position or response to its commands, it halts operation and throws E46 to protect the user and the machine.

The lid lock assembly contains both a locking solenoid and one or more position-sensing switches or hall-effect sensors that report lock status back to the main control board. A failure in command sensing specifically points to a breakdown in this feedback loop. The issue can originate at the lid lock assembly itself, in the wiring harness connecting the assembly to the control board, or at the control board. Common culprits include a faulty lid lock actuator, damaged or corroded connector pins, broken wiring in the harness, or a defective control board that cannot properly interpret the return signal.

The first diagnostic step is to refer to Test 6, which is the structured procedure for evaluating the lid lock circuit. This test typically involves checking continuity and voltage at the lid lock connector, verifying the harness is intact, and assessing whether the lock assembly itself is functioning correctly. Working through Test 6 methodically will isolate whether the fault lies in the lock assembly, the wiring, or the control board before any parts are replaced.