mypros+
Error code reference

Whirlpool Washer Error Code dU

Door/lid unlock failure: excessive force on door lid preventing lock bolt from retracting, wash media buildup preventing lock bolt from retracting, or machine/motor control cannot determine if door lid is in an unlocked state.

SourceWhirlpool Cabrio Washer - Job Aid: 6th Sense Technology (WTW6400S/WTW6600S)p. 6-2

Whirlpool codesWhirlpool washer codes
Diagnostic procedure

The full dU procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check for excessive weight on lid, check for wash media buildup. See TEST #8.

SourceWhirlpool Cabrio Washer - Job Aid: 6th Sense Technology (WTW6400S/WTW6600S)p. 6-2

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More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

39 manuals in the MyPros+ library document this code for Whirlpool washer.

Models covered by the manuals that document this code

More models are covered than are listed here.

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