Bosch 12033921 Inverter (Motor Control Module) OEM Part

Product Details

Genuine Bosch part. Bosch brands include Bosch, Thermador, Gaggenau, and others.

Cross Reference Information

Part Number 12033921 replaces AP6996553.

Description

• Controls and adjusts motor speed and torque for wash pump and circulation functions
• Converts incoming power to the proper voltage/frequency for the appliance motor
• Helps prevent erratic motor behavior, such as intermittent stopping or loss of agitation
• Commonly replaced when the dishwasher won't start, shows motor-related error codes, or runs but won't pump or spin properly

• Disconnect power to the appliance before starting; verify power is off at the breaker
• Handle the module carefully to avoid damage from static electricity; use ESD precautions if available
• Reinstall using existing mounting points and connectors; do not force connectors—ensure proper seating
• After installation, restore power and run a short diagnostic or test cycle to normal motor operation