GE · Dryer Moderate
E4 — Outlet thermistor shorted
The outlet temperature sensor is reading a dead short. The board sees an impossible high temperature and shuts the heat down for safety.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Verified against
- texastempmasters.com ↗
How to fix it
- Unplug the dryer and clean any lint from around the blower and outlet sensor.
- Disconnect the outlet thermistor and measure resistance — near 0 ohms = replace.
- Inspect harness routing for chafe damage; repair or replace as needed.
- Verify the exhaust vent is clear end-to-end — a blocked vent often pre-cooks the thermistor.
- Reassemble, restore power, and run a timed dry to confirm.
- If E4 persists, replace the main control board.
Why it happens
Typical signs: E4 on display · Heat cuts out or never engages · Cycle stops shortly after start · Sensor Dry won't complete
- Shorted outlet thermistor Internal short, often after a high-heat event from blocked venting.
- Harness shorted to chassis Wire insulation worn where the harness crosses a sheet-metal edge.
- Lint-packed connector Conductive lint paste bridging the sensor pins.
- Failed main control board Sensor input on board locked at short reading.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More GE dryer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: texastempmasters.com.