What does SY CE mean?
Communication failure between control boards.
Common causes
- Failed main board
- Failed display board
- Wire harness damage
- Connector issue
Diagnostic & testing steps
- 1. Unplug for 5 minutes
- 2. Check wire connections between boards
- 3. Inspect connectors for corrosion
- 4. Replace display board first, then main board if needed
Tools required
- Multimeter
- Phillips screwdriver
OEM parts & part numbers
Main Control Board, Display Board
Part numbers: 242115301, 297370600
Safety warning
⚠️ Unplug before servicing
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