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Error C1 Degraded US market

GE Dishwasher Error Code C1

C1 on a GE dishwasher usually means: The drain pump-out exceeded two minutes. On a GE Dishwasher, code C1 points to the drain pump.

Fix it fast: Manufacturer troubleshooting steps. Full ranked steps below.

Likely part
drain pump
Fault type
drainage
Manufacturer source Updated Oct 17, 2026 View source

How to fix C1 — ranked steps

Try these in order. Stop when the code clears.

  1. 1 Manufacturer troubleshooting steps

    DIY
    • Clean the air gap.
    • Replace or reposition the hose.
    • Run the disposer to clean it out.

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