[Solved] HomeKit Location Automations ‘When Anyone Arrives’ Failing to Trigger on iPhone 16 Pro: How to resolve Significant Locations privacy daemon background state sleep on primary iPhone

[Elizabeth Coleman]

Diagnostic Hardware Specs: iPhone 16 Pro | OS Version: iOS 18.1 | Archive Source: Apple Support Community #256834169

I am running into a persistent issue on my iPhone 16 Pro running iOS 18.1.
Whenever the machine encounters Significant Locations privacy daemon background state sleep on primary iPhone, the following diagnostic log appears in Console:

geod: [com.apple.geod:geofence] Background geo-fence evaluation skipped due to power state restriction

I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

iMac 24″ M3 (16GB) | AST 2 Diagnostic Station | ESD Workstation | Atlanta, GA

Apple Certified Service Technician (ACiT / ACSP) | "Verified Apple Discussions Archive"

[Donald Hunter]

Apple Recommended / Verified Community Solution

This canonical solution was verified and marked as solved in the Apple Support Community archive.

Re-authorizing HomeKit location services and setting Find My primary device.

Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

1. On iPhone, navigate to Settings > Privacy & Security > Location Services > System Services and ensure HomeKit is enabled.
2. In Settings > [Your Name] > Find My, confirm My Location says ‘This Device’.
3. In Home app, tap Home Settings > Location Services and toggle off, wait 10 seconds, and toggle back on.

Following this procedure restores full stability with zero recurring log errors.

MacBook Pro 16″ M3 Max (128GB) | iPad Pro 11″ M4 (Apple Pencil Pro) | Geneva, CH

Apple Certified Support Professional (ACSP) | Computer Science & Machine Learning Student

[Author]

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