Collision Sciences Inc. | CSI-CASE-11 | October 2026 | www.collision-sciences.com
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Collision Sciences | CrashScan
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Case spotlight 11
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Security gateway: when a standard EDR read is blocked
Anonymized technical case example | No customer or claim identifiers
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The technical question
Can a security-gateway-equipped vehicle be evaluated when the normal diagnostic-port retrieval path cannot access the relevant airbag/EDR module?
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What the available evidence established
In a technical-support inquiry, the gateway blocked the standard vehicle diagnostic connection required for the requested EDR retrieval. The recommended next step was a controlled, vehicle-specific direct-to-module or specialist-processing assessment. A blocked diagnostic path did not establish that no crash data existed, and no completed retrieval or case disposition was documented in the source material.
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Controlled acquisition path
- Verify exact vehicle and module support rather than treating diagnostic access failure as a data-absence finding.
- Preserve vehicle identity, attempted connection method, error or limitation, authority, condition and date.
- Obtain technical approval before removing or directly accessing a restraint-control module.
- Preserve original data, custody, module condition and the specialist process before relying on a report.
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Practical takeaway
A failed routine connector read may be an acquisition-path problem, not proof that the EDR lacks relevant data. An insurer can preserve the evidentiary opportunity by recognizing a gateway barrier promptly and routing suitable claims to controlled specialist evaluation.
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Claims application
SIU, total-loss inspection and subrogation teams can record the distinction between unavailable in-vehicle access and genuine no-data findings; measure whether escalations produce usable evidence and at what cost.
Scope and limitations: This spotlight conveys an anonymized technical question and documented recommended workflow. It does not establish that data were acquired, a claim was changed, fraud occurred, or a financial saving was realized. Manufacturer-specific access, legal authority and evidence handling must be verified for each assignment.
