mypros+
Error code reference

Maytag Dryer Error Code d12

Motor sense error on control board or due to power line interference (single dryer)

Maytag codesMaytag dryer codes

Motor sense error on control board or due to power line interference (single dryer). Cycles and customer display disabled until diagnostic code is manually cleared.

First step from the service manual

Enter set-up mode to view code; clear code manually.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for d12.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What d12 means on a Maytag dryer

The d12 error code on a Maytag dryer indicates a motor sense error detected by the control board. This code is triggered when the control board fails to receive the expected motor sensing signal, either due to an internal fault within the board itself or because of interference on the incoming power line. The motor sense circuit allows the board to monitor motor operation and confirm that the drive motor is running as intended. When this signal is absent or corrupted, the board logs the d12 fault.

Power line interference is a notable cause of this error. Voltage fluctuations, transient spikes, or noise on the electrical supply can disrupt the control board's ability to accurately read motor sense data, leading to a false fault condition. This is particularly relevant in homes with unstable electrical service or when large appliances share a circuit. In these cases, the dryer hardware may be fully functional, but the board interprets the signal disruption as a motor fault.

When d12 is active, the dryer disables all cycles and the customer-facing display until the diagnostic code is manually cleared. The dryer will not resume normal operation on its own. Clearing the code requires entering the dryer's set-up mode and manually resetting the fault. If the code returns after clearing, further diagnosis of the control board and power supply conditions is warranted to determine whether the root cause is electrical interference or a failing control board component.

Source: manufacturer service documentation.

Common causes of d12

  1. 01

    Power line interference or electrical noise

    Wiring / connection

    Voltage spikes, fluctuations, or electrical noise on the supply line can disrupt the motor sense signal at the control board, triggering a false d12 fault even when the motor itself is working correctly. Check whether the dryer shares a circuit with other high-draw appliances or if the home has a history of power quality issues.

  2. 02

    Control board motor sense circuit fault

    Part replacement

    The control board may have an internal failure in the circuitry responsible for reading the motor sense signal. If the d12 code returns immediately after being cleared and no power quality issues are found, the control board is the likely culprit.

  3. 03

    Loose or corroded wiring connections

    Wiring / connection

    Poor connections between the motor and the control board can interrupt the motor sense signal and trigger this error. Inspect the wiring harness connectors at both the motor and the board for signs of looseness, corrosion, or heat damage.

  4. 04

    Drive motor failure

    Part replacement

    A failing or failed drive motor may not generate the sense signal the control board expects, causing d12 to log. If the motor does not run at all or runs intermittently, the motor itself may need to be tested and potentially replaced.

  5. 05

    Code logged from a previous transient event

    Wiring / connection

    In some cases, d12 is a stored fault from a one-time power event such as a brief outage or surge, and the dryer is otherwise in normal working condition. Manually clearing the code through set-up mode may resolve the issue entirely with no further action needed.

See the test procedure for each cause

Frequently asked questions about d12

What does d12 mean on a Maytag dryer?
The d12 code on a Maytag dryer indicates a motor sense error on the control board. It means the board did not receive the expected signal from the motor sense circuit, which can be caused by an internal board fault or by interference on the power line. When this code is active, all cycles and the customer display are disabled until the code is manually cleared through the dryer's set-up mode.
Will resetting the dryer clear the d12 code?
A standard power reset, such as unplugging the dryer, will not clear the d12 code on its own. The code must be manually cleared by entering the dryer's set-up mode and resetting the fault through the diagnostic interface. If the code reappears after being cleared, there is an underlying issue with the control board or the electrical supply that needs to be addressed.
How do I fix the d12 error code on my Maytag dryer?
Start by entering set-up mode on the dryer and manually clearing the d12 code. If the dryer runs normally after clearing and the code does not return, the fault was likely caused by a temporary power line event. If the code comes back, inspect the wiring harness connections at the motor and control board, evaluate the quality of the dryer's electrical supply, and consider testing or replacing the control board if no other cause is found.
Is it safe to use my Maytag dryer when the d12 code is showing?
The dryer will not allow you to run cycles while the d12 code is active, as all cycles and the display are disabled until the code is cleared. This means the machine is protecting itself from operating in an uncertain condition. You should clear the code before attempting to use the dryer, and if the code returns repeatedly, have the unit inspected before continued use.
How much does it cost to repair a Maytag dryer with a d12 error?
Repair costs depend on the root cause. If the issue is a one-time power event and clearing the code resolves it, there may be no parts cost at all. If the control board needs replacement, parts and labor typically range from $150 to $400 depending on the specific model and local labor rates. Wiring repairs or motor replacement would fall within a similar or higher range depending on the extent of the damage.

Related Maytag dryer codes

All Maytag dryer codes
View all 251 Maytag dryer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass