Pulsing brakes on a 2011 Camry after replacing pads and rotors, with no clear cause found.

No purpose-built diagnostic software that guides DIY mechanics through brake pulsing troubleshooting, considering multiple potential causes (rotor runout, caliper issues, hub runout, etc.) and providing step-by-step instructions.

Severity

3Medium

Willingness to Pay

implied

Added

May 23, 2026

Workarounds Described

uses a dial indicator to manually measure rotor runout
checks wheel play by hand
plans to check rear brakes manually

Implied Software Gaps

Mobile app that digitizes rotor runout measurement with camera-based or connected sensor input and compares to spec automatically
Diagnostic tool that aggregates all possible causes of brake pulsing in one guided workflow

App Concept

BrakeDiag

A mobile app that guides DIY mechanics through diagnosing brake pulsing. It prompts the user to input measurements (e.g., rotor runout) and symptoms (e.g., vibration in steering wheel vs. pedal), then cross-references a database of vehicle-specific specs to identify root causes and recommend fixes. Unlike generic forums, it provides structured, interactive troubleshooting exclusive to brake issues.

Key Features

Step-by-step diagnostic wizard for brake pulsing
Input measurements (runout, thickness, etc.) and compare to OEM spec
Historical symptom tracking to see if issue worsens
Vehicle-specific guidance (e.g., hub runout for certain models)
Integration with parts catalog for replacements

Target Users: DIY car owners and weekend mechanics working on their own vehicles, particularly older models like 2011 Camry

Revenue Model: $4.99 per diagnostic session or $9.99/month subscription for unlimited usage

Existing Solutions Mentioned

dial indicator to measure rotor runout

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