mypros+
Error code reference

GE Dishwasher Error Code dLF

Door latch failure (critical fault).

GE codesGE dishwasher codes

Door latch failure (critical fault).

First step from the service manual

Check door latch for resistance between pin 1 (dark blue) and pin 3 (yellow) at the latch with the door closed. Check continuity of the harness. Check connector J603 to verify pin 1 and pin 2 has no continuity. Power cycle to exit.

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 dLF.

  • 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 dLF means on a GE dishwasher

The dLF error code indicates the GE dishwasher control board has detected a door latch failure, classified as a critical fault. The control board monitors continuity across all three pins of the door latch circuit. When continuity is broken or cannot be confirmed with the door in the closed position, the board throws dLF and halts operation to prevent running a cycle with an unsecured door. The fault can originate in the wiring harness connecting the latch to the control board or in the door latch assembly itself.

For homeowners, this means the dishwasher's electronics cannot confirm the door is properly latched and locked. Even if the door feels physically closed, the electrical signal that tells the control board 'the door is secure' is missing or broken. The dishwasher will not run in this state because an unlatched door during a cycle is a water damage and safety risk.

Diagnosis starts with the wiring harness. A technician checks continuity across all three pins of the door latch connector with the door closed. If the harness passes, the door latch assembly itself is the likely culprit and needs replacement. This is a relatively contained repair with parts readily available for most GE dishwasher models.

Source: manufacturer service documentation.

Common causes of dLF

  1. 01

    Damaged or broken wiring harness to the door latch

    Part replacement

    The harness connecting the door latch to the control board can develop breaks, corrosion, or loose connections, causing lost continuity across one or more of the three latch pins. This is the first component to test because it is the most common point of failure and can often be repaired without replacing the latch itself.

  2. 02

    Failed door latch assembly

    Part replacement

    The door latch assembly contains internal switches that complete the circuit across its three pins when the door is closed. If the mechanical latch or internal switch contacts wear out or break, continuity will not be present even with a fully intact harness, and the latch assembly must be replaced.

  3. 03

    Loose or disconnected harness connector at the latch

    Wiring / connection

    The connector at the door latch can work itself loose over time due to repeated door opening and closing. A disconnected or partially seated connector will break continuity without any actual damage to the harness or latch, and reseating it may resolve the fault.

  4. 04

    Faulty control board failing to read latch continuity

    Part replacement

    In rare cases, the control board itself may be unable to correctly interpret the continuity signal from an otherwise functional door latch and harness. This is the least likely cause and should only be considered after the harness and latch have been tested and confirmed good.

See the test procedure for each cause

Frequently asked questions about dLF

What does dLF mean on a GE dishwasher?
dLF stands for door latch failure and is a critical fault code. It means the control board cannot detect continuity through all three pins of the door latch circuit with the door closed. The dishwasher will not operate until the fault is resolved.
How do I fix the dLF error code on my GE dishwasher?
Start by inspecting the wiring harness that runs to the door latch, checking for loose connectors, broken wires, or corrosion. With the door closed, use a multimeter to check for continuity across all three pins of the door latch connector. If the harness passes that test, the door latch assembly itself needs to be replaced. The latch is typically located on the door frame and is accessible after removing the inner door panel.
Can I still use my GE dishwasher when it shows dLF?
No. The dLF code is a critical fault that locks out dishwasher operation. The machine will not start a cycle because it cannot confirm the door is securely latched. Running a dishwasher with an unverified latch condition creates a risk of the door opening mid-cycle, which can cause water damage to the floor and surrounding cabinetry.
How much does it cost to fix a dLF error on a GE dishwasher?
A replacement GE door latch assembly typically costs between $25 and $60 for the part. If you are comfortable removing the inner door panel and working with a multimeter, this is a DIY-friendly repair. Professional labor to diagnose and replace the latch generally adds $100 to $200, making total professional repair cost roughly $125 to $260 depending on your market and the specific model.
How do I test the door latch on a GE dishwasher showing dLF?
Close the dishwasher door fully and disconnect the wiring harness connector from the door latch. Set a multimeter to continuity or resistance mode and probe all three pin combinations on the latch side of the connector. All three pins should show continuity with the door latched. If any pin pair shows an open circuit, and the harness wiring itself is intact, the door latch assembly has failed and should be replaced.

Related GE dishwasher codes

All GE dishwasher codes
View all 222 GE dishwasher codes

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

Get Started

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