Husqvarna Automower 430XH Robotic Lawn Mower GPS SIGNAL POOR Error Fix: GPS/GNSS Signal Is Weak

Error code GPS SIGNAL POOR on the Husqvarna Automower 430XH Robotic Lawn Mower means: GPS/GNSS Signal Is Weak. The GPS/GNSS module cannot get a position fix — both the 430XH and 450XH models have GPS for area mapping, anti-theft tracking, and optimized mowing patterns; heavy tree canopy, buildings, or overhead structures block GPS signals; the GPS antenna is on top of the mower — ensure it is not obstructed by debris; GPS signal may be temporarily degraded during heavy cloud cover or atmospheric conditions; if GPS is consistently poor in your yard, the Automower will fall back to random navigation pattern which still works but is less efficient; GPS is required for some features like zone management

The most successful fix is "Replace GPS Module and Inspect Antenna Connections" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace GPS Module and Inspect Antenna Connections") is rated medium difficulty and takes about 45 minutes. Tools needed: T10 Torx screwdriver, Multimeter, Plastic pry tool.

DIY cost: $15-$25. Professional repair typically costs $150-$220. Many homeowners save money by trying the top-ranked community fix first.

The Husqvarna Automower 430XH Robotic Lawn Mower has 8 other known error codes, including: BOUNDARY WIRE BREAK (Confirmed Boundary Wire Break), CHARGING PROBLEM (Charging System Problem), COLLISION SENSOR (Collision Sensor Defective), CUTTING HEIGHT (Cutting Height Adjustment Problem), CUTTING MOTOR OVERLOAD (Cutting Motor Drawing Too Much Current), and 3 more.

Error code GPS SIGNAL POOR also appears on 1 other Husqvarna model: Automower 450XH Robotic Lawn Mower. The fix may vary by model, so check each model's specific page for tailored repair steps.