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Error code reference

LG Washer Error Code PC1

Clutch sensor check

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What the PC1 error code actually means

The PC1 error means your LG washer is having trouble reading the position of an internal part called the clutch, which helps control how the drum spins. A small sensor that tracks the clutch's movement is either sending a bad signal or has a wiring problem. The washer stops as a safety measure until this issue is resolved.

Diagnostic procedure

The full PC1 procedure

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1
First diagnostic step
Check clutch hall sensor signals and connections.
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Most common causes of PC1

Ranked by how often they cause this code
  1. 1Faulty clutch hall sensor
  2. 2Damaged or disconnected wiring harness
  3. 3Corroded or dirty sensor connector
  4. 4Clutch assembly misalignment
  5. 5Failed main control board

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Questions people ask about PC1

What does PC1 mean on a LG washer?
PC1 on an LG washer indicates a clutch sensor fault. After the washer detects the clutch's position, the hall sensor signal becomes abnormal or fails, triggering the error. The washer stops operation to prevent further damage until the issue is corrected.
Will resetting my LG washer clear the PC1 error?
A reset may temporarily clear the PC1 code, but if the underlying sensor or wiring fault still exists, the error will return once the washer attempts to use the clutch again. A reset is useful for confirming whether the fault is intermittent, but it is not a permanent fix.
How much does it cost to repair a PC1 error on an LG washer?
Repair costs depend on the root cause. If only wiring or a connector needs attention, costs may be minimal. If the clutch hall sensor or full clutch assembly needs replacement, parts and labor combined could range from roughly $100 to $350 depending on your location and the specific parts required.
Can I fix the PC1 error myself on my LG washer?
Some causes of PC1 are DIY-friendly, such as inspecting and reseating the wiring harness connector at the clutch hall sensor. If the issue is a failed sensor or clutch assembly, those repairs require disassembling the washer and sourcing replacement parts, which may be better suited to a technician.
Is it safe to use my LG washer when it shows a PC1 error?
It is not recommended to continue running the washer while PC1 is active. The clutch system controls how power is transferred to the drum, and operating with a faulty sensor signal could lead to improper wash cycles or additional mechanical damage.

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