MowerFix AIAutomower 405X: Collision sensor problem
If your Husqvarna Automower 405X is showing Collision sensor problem, MowerFix AI records this as a model-specific diagnostic condition.
What it usually means
Body/chassis movement, debris, obstacle or collision-sensor condition
First checks
Clean body/chassis interface, remove obstruction and confirm body moves freely.
Before replacing parts
Confirm the exact mower model, product/article number and the message shown on the mower or app. Check simple installation, obstruction, power and connection causes first. Do not open sealed electrical assemblies or battery packs unless the manufacturer procedure specifically permits it.
Potentially relevant parts already in MowerFix AI
- Compatible part — 588 76 50-06
- Compatible part — 970 86 22-01
- Compatible part — 535 12 90-02
Confirm compatibility against the mower product/article number before ordering.
Run the MowerFix diagnosis
The full diagnostic flow can narrow the fault using your exact mower, symptoms and answers, then show the most relevant repair path and available parts information.
Diagnose my Automower 405XTechnical reference: manufacturer/support source.
MowerFix AI is an independent diagnostic and parts-referral platform. Manufacturer names and trademarks belong to their respective owners. Error wording and applicability can vary by firmware, region and mower generation; confirm against the mower's current operator documentation.