12 red flashes
ID plug absent or not connected properly
This code typically points to
- Loose ID plug
- Loose plug wires
- Missing model-identification plug
Next checks to confirm
- Reseat ID plug
- Verify plug/wire continuity
- Confirm correct plug for model
Escalation
Configuration error until plug is restored.
Reset behavior
Clears when plug is properly connected.
Service Soon
Schedule repair