Crash Data Insights

Straight Answers
About Black Box Data

Practical guides on vehicle event data recorders, Bosch CDR reports, and how crash data is used in insurance claims and litigation. Written by the SAE-certified technician who does the downloads.

Latest Articles

From the Field

Illustration of a Bosch CDR report with a pre-crash table and delta-V graph
EDR BasicsFor Attorneys

What Is in a Bosch CDR Report? The Main Sections Explained

The main sections in plain terms: data limitations, event summary and ignition cycles, pre-crash data, and the crash pulse.

Oct 16, 2026  ·  5 min read

Illustration of a rear-end collision with a balanced scale and crash data readout
For Insurers

Using EDR Data to Resolve Liability Disputes Faster

Rear-end disputes, speed allegations, seatbelt use, staged collisions, and phantom vehicles. When a download pays for itself.

Oct 16, 2026  ·  9 min read

Illustration of a vehicle coverage checklist with a VIN lookup
Vehicle CoverageEDR Basics

Which Vehicles Have a Black Box? Bosch CDR Coverage by Make (2026)

Our downloadable supported vehicle list, the four tools behind it, heavy trucks, and how to check a VIN.

Oct 16, 2026  ·  8 min read

Illustration of a crashed car connected through its OBD port to a laptop running a crash data download
For AttorneysFor Insurers

How to Get Black Box (EDR) Data After a Car Accident in California

How the download process works: preserving the module, the authorization a technician needs, confirming coverage, and why timing matters.

Sep 23, 2026  ·  9 min read

Illustration of an airbag control module packed in a shipping box
Mail-In ServiceFor Insurers

How to Remove and Ship an Airbag Control Module for an EDR Download

A step-by-step guide for shops, adjusters, and vehicle owners anywhere in the U.S. who need the module imaged without a site visit.

Sep 23, 2026  ·  7 min read

Illustration of an airbag control module with its connectors
EDR Basics

What Is a Vehicle Event Data Recorder (Black Box)?

Speed, braking, throttle, seatbelt status, delta-V. A plain-English tour of the data elements inside a modern EDR and how they are read.

Sep 23, 2026  ·  8 min read

Coming Soon

Planned Guides

EDR BasicsFor Insurers

Delta-V Explained: What Crash Severity Numbers Actually Mean

How delta-V is measured, why it differs from speed, what the pulse shape tells you, and how it is used and misused in injury claims.

Vehicle Coverage

Tesla Crash Data: How Tesla EDR Retrieval Differs from Bosch CDR

What a Tesla records, why the Bosch tool does not apply, how the Tesla EDR process works, and what the report looks like.

EDR BasicsFor Attorneys

I Have Dash Cam Footage. Why Would I Still Need the Black Box?

Video shows what happened. The EDR shows what the vehicle was doing: measured speed, brake timing, seatbelt use. Why the strongest cases use both.

Need the Data, Not the Reading?

Request an EDR Download

On-site imaging in Southern California, the San Francisco Bay Area, Las Vegas, Washington, D.C., and Fort Lauderdale, or ship us the airbag control module from anywhere in the country. Standard Bosch CDR report typically within 24 hours.