mypros+
Error code reference

Viking Dishwasher Error Code 4-4

Inlet valve error

Viking codesViking dishwasher codes

Inlet valve error – inlet valve current sense is out of range (service cycle only).

First step from the service manual

Check wires disconnected between main control and inlet valve.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for 4-4.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

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

What 4-4 means on a Viking dishwasher

Error code 4-4 on a Viking dishwasher indicates an inlet valve current sense error, meaning the main control board is detecting that the electrical current draw from the water inlet valve falls outside the expected operating range. This error is specific to the service diagnostic cycle, so it will not typically appear during a normal wash operation. The inlet valve is a solenoid-operated component that controls the flow of water into the dishwasher tub, and the control board continuously monitors its current signature to confirm proper operation.

When the control board reads a current value that is either too high or too low relative to the inlet valve's rated parameters, it flags code 4-4. A current that is out of range can indicate an open circuit (too little current), a short circuit (too much current), or a high-resistance connection that distorts the expected reading. The diagnostic system is designed to catch faults that might not immediately prevent the machine from filling but could indicate an impending component failure or a wiring problem that affects reliable operation.

The first step in diagnosis is to inspect the wiring harness between the main control board and the inlet valve. Loose connectors, broken wire terminals, or chafed insulation can interrupt or distort the current path enough to trigger this code. If the wiring checks out, the inlet valve solenoid itself should be tested for correct resistance, and the main control board should be evaluated if both the wiring and valve measure within spec.

Source: manufacturer service documentation.

Common causes of 4-4

  1. 01

    Disconnected or loose wiring connector

    Wiring / connection

    A connector that has pulled away or is making poor contact between the main control board and the inlet valve will cause the current reading to fall outside the acceptable range. Inspect all connectors along the harness path between these two components for secure seating and corrosion.

  2. 02

    Damaged wiring harness

    Part replacement

    Chafed, pinched, or broken wires in the harness running to the inlet valve can create an open or high-resistance circuit. Carefully trace the full length of the harness, looking for visible damage, especially near routing clips and cabinet edges.

  3. 03

    Failed inlet valve solenoid

    Part replacement

    If the solenoid coil inside the inlet valve has developed an open winding or internal short, its resistance and current draw will be out of spec. Testing the solenoid with a multimeter across its terminals will confirm whether the coil has failed.

  4. 04

    Corroded or burned connector terminals

    Part replacement

    Terminal pins that are corroded or heat-damaged can add resistance to the circuit and skew the current reading. Look closely at both the control board connector and the valve connector for discoloration, pitting, or oxidation on the pins.

  5. 05

    Faulty main control board

    Part replacement

    If the wiring and inlet valve both test within normal parameters, the current sensing circuit on the main control board itself may be defective. This is the least likely cause and should only be considered after all wiring and valve checks are completed.

See the test procedure for each cause

Frequently asked questions about 4-4

What does 4-4 mean on a Viking dishwasher?
Code 4-4 on a Viking dishwasher signals an inlet valve current sense error, meaning the control board detected that the electrical current to the water inlet valve is outside its acceptable range. This error is generated during the service diagnostic cycle, not during a standard wash. It points to a problem with the inlet valve itself, the wiring connecting it to the control board, or the board's current sensing circuit.
Can I fix error code 4-4 on my Viking dishwasher myself?
A knowledgeable DIYer can start by inspecting and reseating the wiring connectors between the main control board and the inlet valve, since a loose or disconnected connector is the most common cause. If the connectors look fine, testing the inlet valve solenoid with a multimeter is a reasonable next step. Replacing a wiring harness or the control board is more involved and may be better suited to a qualified technician.
Is it safe to use my Viking dishwasher when error code 4-4 is showing?
Code 4-4 is generated only during the service diagnostic cycle, so your dishwasher may still complete normal wash cycles. However, the underlying wiring or valve fault could worsen over time, potentially leading to a no-fill condition or water control issues. It is advisable to have the problem diagnosed before continuing regular use.
Will resetting my Viking dishwasher clear error code 4-4?
Resetting the dishwasher may temporarily clear the code from the display, but it will not resolve the underlying electrical fault with the inlet valve circuit. The code will return the next time the service diagnostic cycle is run if the root cause has not been corrected. A proper repair of the wiring or the inlet valve is required for a lasting fix.
How much does it cost to repair error code 4-4 on a Viking dishwasher?
Repair costs depend on the root cause. Reseating a connector costs nothing beyond a service call fee, which typically ranges from $75 to $150. Replacing an inlet valve generally costs between $100 and $250 for parts and labor combined. If the main control board needs replacement, total costs can range from $300 to $600 or more depending on parts availability and labor rates in your area.

Related Viking dishwasher codes

All Viking dishwasher codes
View all 101 Viking dishwasher codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

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