Validation of a Legacy-Compatible Vehicle Communication Interface for the Retrieval of Crash Data from Passenger Vehicles Crash Pulse Technologies

Format:

Book

Conference/Event

Author/Creator:

Zeitler, Jason Paul, author.

Conference Name:

Automotive Technical Papers (2026-01-01 : Warrendale, Pennsylvania, United States)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2026

Summary:

The discontinuation of the Bosch CANplus vehicle communication interface (VCI), in October of 2023, created a significant gap in crash data retrieval workflows for many legacy vehicles that have not been transitioned to the newer CDR 900 VCI. A substantial portion of CDR-supported vehicles continue to rely on legacy CANplus-based communications, including the majority of platforms from the mid-1990s through the early 2010s as well as select late-model vehicles from manufacturers such as Chevrolet that still require CANplus-compatible communication for imaging of crash data.This study evaluates a legacy-compatible VCI designed to operate within existing Bosch CDR software, adapter, and cable infrastructures. Thirty controlled test scenarios were performed across ten vehicle brands using airbag control modules (ACMs), a powertrain control module (PCM), and selected modules that had undergone prior chip-swap procedures. Test conditions included DLC imaging, DTM imaging, and back-powering through the vehicle fuse box. Each module was imaged using the discontinued Bosch CANplus VCI and the compatible Crash Pulse Technologies Crash Data eXtractor (CDX) VCI under identical procedures, and the resulting datasets were compared at the character level. All scenarios produced complete and consistent outputs between devices, with differences limited to expected non-critical data such as timestamps and user-entered comments. The findings demonstrate that the evaluated VCI provides reliable and repeatable crash data retrieval performance equivalent to the discontinued CANplus across the legacy workflows tested. The validation framework aligns with accepted reliability principles referenced in Daubert considerations and supports the use of the CDX VCI in forensic crash investigations and related technical applications

Notes:

Vendor supplied data

Publisher Number:

2026-01-5009

Access Restriction:

Restricted for use by site license