Maytag Dryer Error Code SH

SH on a Maytag dryer means the control board has detected that the thermistor, the temperature-sensing resistor inside the dryer, is reading near-zero ohms resistance. This shorted condition, whether caused by a failed thermistor, damaged wiring, or an actual temperature above 175 degrees F near the sensor, causes the dryer to enter a protective mode and stop normal operation. The code will remain active until the underlying fault is identified and corrected.

You should not continue running the dryer while the SH code is active. The code means the temperature monitoring system is compromised, either because the sensor is faulty or because the area around the sensor actually reached above 175 degrees F. Without reliable temperature feedback, the control board cannot properly regulate heat, which creates a risk of overheating the drum or internal components.

If the thermistor itself is the cause, the part typically costs somewhere in the range of $15 to $50 depending on the model, making it one of the more affordable dryer repairs. If the fault is in the wiring harness, repair costs depend on whether the harness can be repaired or needs replacement. A control board replacement, if required, can range from $100 to $250 or more for the part alone. Labor costs will vary by region and service provider.

Unplugging the dryer may temporarily clear the SH code, but the code will return if the underlying fault has not been fixed. If the thermistor is shorted or the wiring between terminals P5 and P6 is damaged, the control board will detect the same fault condition as soon as power is restored and the dryer attempts to operate. A reset alone is not a repair.

Start by unplugging the dryer, then remove the front panel and control hood to access the wiring harness. Check the wiring between terminals P5 and P6 on the control board for any visible damage, pinching, or shorts. Disconnect the thermistor and measure its resistance with an ohmmeter: a reading near zero ohms confirms the thermistor is shorted and needs replacement. Also inspect the exhaust duct and lint trap for blockages that could cause genuine overheating.