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Appliance & car error codes

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37 guides

Open stainless dishwasher with its lower rack partly extended.

Home appliances · E23

Bosch Dishwasher E23: Drain Pump Fault and What to Do

Bosch E23 points to a drain-pump problem. Preserve the exact code and contact support rather than assuming filter cleaning or a new pump will fix it.

Detached oxygen sensor with an insulated cable and connector.

Cars & OBD · P0135

P0135 Code: Bank 1 Sensor 1 Heater Circuit

P0135 concerns the bank 1 sensor 1 oxygen-sensor heater circuit. Check the engine’s wiring and service information before ordering a sensor.

Closed white front-loading washer viewed from the side.

Home appliances · PE

LG Washer PE Code: Water-Level Sensing and Service Checks

LG PE points to water-level sensing. Use the restart instructions for the exact washer and arrange service if the warning returns.

Gray SUV parked in a clean workshop bay.

Cars & OBD · P0441

P0441 Code: Incorrect EVAP Purge Flow Explained

P0441 is an EVAP purge-flow warning. Confirm the vehicle-specific cause before treating it as a failed purge valve.

Small water droplet on tile beside the bottom corner of a washer.

Home appliances · LC

Samsung Washer LC Code: Leakage and Water-Level Checks

Samsung LC is a water-level or leakage warning. Look for visible water safely, check the exact model and avoid assuming the sensor needs replacing.

Disconnected pressure gauge and coiled hose on a workshop trolley.

Cars & OBD · P0087

P0087 Code: Low Fuel Rail Pressure and Diagnostic Limits

P0087 means fuel rail or system pressure is too low. Use professional diagnosis before assuming the high-pressure pump has failed.

Water and laundry visible behind a closed washing-machine door.

Home appliances · FE

LG Washer FE Code: Overfill Warning and Safe Next Steps

LG FE is an overfill warning. Stop if water is escaping and use the exact model instructions before restarting or opening a drain filter.

Intact engine bay viewed from the front of a parked car.

Cars & OBD · P0401

P0401 Code: Insufficient EGR Flow and Diagnosis

P0401 reports insufficient EGR flow. A valve replacement is not a diagnosis; check the engine’s flow-monitoring and manufacturer service information.

Basket containing a towel and light shirts beside a closed washing machine.

Home appliances · UE

Samsung Washer UE or Ub: Unbalanced Spin Checks

Samsung UE or Ub indicates an unbalanced load. Redistribute the laundry safely, check the cycle and confirm that the washer is stable.

Have the code but not the model?

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