Error Code tC
The water temperature sensor is not reading correctly
Moderate
Address soon - your appliance may not work properly
Also displayed as: tC (no display during normal operation)
What This Means
Thermistor terminal disconnected; Thermistor defective (open circuit or shorted); Main PBA defect; Wiring harness damage between thermistor and Main PBA
What actually causes this:
The temperature sensor wire came loose or the sensor itself went bad
First Thing to Check
Turn off the dishwasher, wait 30 seconds, and restart — if the error comes back, it needs service
Parts Involved
How to Fix
- 1
1. Check and reconnect the thermistor connector
- 2
2. Measure voltage between both ends of the thermistor — normal range: 0.05V to 4.95V
- 3
3. Measure resistance between both ends of thermistor (disconnect connector first). Reference table: 5C=125.814k ohms, 10C=98.36k ohms, 15C=77.48k ohms, 20C=61.477k ohms, 25C=49.12k ohms, 30C=39.51k ohms, 35C=31.985k ohms, 40C=26.053k ohms, 45C=21.347k ohms, 50C=17.59k ohms, 55C=14.573k ohms, 60C=12.136k ohms, 65C=10.157k ohms, 70C=8.541k ohms
- 4
4. If thermistor tests normal, replace Main PBA
This Error Applies To
Samsung DDW24M999U Series Dishwashers (2017) (2017–present)
Related Error Codes
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The dishwasher cannot pump the dirty water out
The water inside the dishwasher got dangerously hot
Water is leaking inside the base of the dishwasher
The touch panel and the control board are not communicating properly
The dishwasher's main computer board and display board cannot talk to each other
The motor controller board is not responding to the main computer
The water distribution vane that directs spray is not moving to the correct position