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LG Dryer Error Code tE4

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 14, 2026
⚠ High Severity 🔧🔧 Moderate DIY

Thermistor error — secondary/outlet temperature sensor fault

A second temperature error in the tE family — the control sees the secondary (outlet) thermistor reading out of range or inconsistent with the inlet sensor. As with tE3, the dryer stops to avoid unsafe heating.

💰 DIY cost: $15–$40 👨‍🔧 Pro cost: $150–$300 Save $135+ by doing it yourself
LG Dryer error code tE4 on the display panel
How the tE4 code appears on a LG dryer display

What Does Error Code tE4 Mean on a LG Dryer?

Thermistor error — secondary/outlet temperature sensor fault.

A second temperature error in the tE family — the control sees the secondary (outlet) thermistor reading out of range or inconsistent with the inlet sensor. As with tE3, the dryer stops to avoid unsafe heating.

What Causes Error Code tE4?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Secondary thermistor failure 55% of cases
  2. 2
    Connector loose 25% of cases
  3. 3
    Wiring harness damaged 15% of cases
  4. 4
    Control board sensor input fault 5% of cases

How to Fix LG Dryer Error Code tE4

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power cycle

    Unplug for 5 minutes to clear a transient fault.

  2. 2

    Inspect both thermistors

    Reseat connectors on the inlet and outlet thermistors; a mismatch between them can trigger tE4.

  3. 3

    Test and replace the sensor

    Measure resistance against spec and replace the out-of-range thermistor.

    🔩 Multimeter 🔩 LG dryer thermistor ($15–$40)
    ⚠️ Unplug before reaching into the blower housing.

How to Reset Error Code tE4

Unplug 5 minutes and restart. If tE4 returns, reseat and test both thermistors.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

If both thermistors test good but tE4 persists, the control board sensor input has failed.

Average professional repair cost for this issue: $150–$300

Related Error Codes

tE3
Thermistor error — drying temperature sensor out of range
⚠ High Severity
HS
Humidity sensor error — moisture sensing failure
⚠ Medium Severity

Find Replacement Parts

Use these links to find the exact replacement parts for your LG Dryer:

🔩
Search PartSelect
LG Dryer repair parts
🔧
Search RepairClinic
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More LG Dryer Error Codes

D80 Duct blockage detected — exhaust duct 80% blocked D90 Duct blockage detected — exhaust duct 90% blocked D95 Duct blockage detected — exhaust duct 95% blocked F9 Thermistor failure — temperature sensor not reading CL Child lock is active — controls are locked nP No power to the heating element

Frequently Asked Questions

What does error code tE4 mean on a LG Dryer? +
Thermistor error — secondary/outlet temperature sensor fault
How do I fix error code tE4 on my LG Dryer? +
Start by Unplug for 5 minutes to clear a transient fault.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code tE4? +
Unplug 5 minutes and restart. If tE4 returns, reseat and test both thermistors.
Is error code tE4 serious? +
This is a high-severity error. You should address it soon. Running the appliance may cause further damage.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 14, 2026.

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