CAR
Blackbox // CAR
IllustrationDiagnostics

Price range · approx.

$30–$140

Est. market price

Not personally tested. Specs and claims are drawn from public research and manufacturer listings, and can vary by model and change over time.

CarDiagnosticsNot tested

Bluetooth OBD2 Diagnostic Scanner

Reads the check-engine code via a phone app.

The failure moment

Check-engine light pops on the morning of a road trip.

Best forDIY drivers / used-car buyers

Key features

  • Plugs into OBD2 port
  • Bluetooth to iOS/Android app
  • reads/clears trouble codes
  • live sensor data

Honest trade-offs

  • Some need a paid app for full features
  • cheap dongles can be flaky/insecure
  • advanced systems may need brand apps

What we’ll say

The only claims we make about this product. Specs vary by model — verify on the source listing. We don’t publish ratings, testimonials, or guarantees.

  • Reads/clears OBD2 trouble codes via app
  • live data (features vary by app/model)

Related film concept

Check engine. The morning you're supposed to leave town.

DROP 003 · Flat Tire, No Plan · Scheduled

More in The Car KitView field →