Bosch 00677521 Control Unit (Electronic Control Board) OEM Part

Product Details

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

Cross Reference Information

Part Number 00677521 replaces AP4509352, 1562320, 677521, AH3482738, EA3482738, PS3482738, PS8733877.

Description

This electronic control unit is the main circuit board that manages appliance functions and cycle logic, restoring proper control when the original board fails. It delivers reliable command and timing for the appliance's operations. What it does:

• Receives inputs from the user interface and sensors, then executes cycle programs and timing
• Manages power distribution to motors, valves, heaters, and displays based on program logic
• Helps resolve symptoms such as unresponsive controls, erratic cycles, or failure to start
• Clears error codes related to control or communication faults when replaced

What's included:

• One electronic control unit (single board assembly)

Install notes:

• Disconnect power (unplug or switch off breaker) before starting any repair
• Handle the board carefully; avoid touching circuitry and use ESD precautions if available
• Verify PN on the old board matches before installing; mounting hardware and connectors must be reused unless otherwise stated