Error code reference

Whirlpool Dishwasher Error Code 4-1

Wash motor no communication: loose connection in Wash Motor Circuit, Motor Communication Circuit and/or open wash motor.

Whirlpool codes Whirlpool dishwasher codes

Diagnostic procedure

The full 4-1 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

First diagnostic step

1. Unplug dishwasher or disconnect power. 2. Check all connections in Wash/Rinse Circuit and Motor Communications Circuit with meter. Fix/replace open connection/part.

SourceWhirlpool Dishwasher 665 - Tech Sheet: Circuits & Diagnosticsp. 2

Unlock with pass

More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

Unlock 4-1 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

8 manuals in the MyPros+ library document this code for Whirlpool dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

The full 4-1 procedure

Where this code is documented

Models covered by the manuals that document this code

Related Whirlpool dishwasher error codes