The DPA 4 Plus product is used to connect vehicle communication networks and personal computers (PCs). This allows programs written for the PC to retrieve pertinent vehicle information such as fault codes, as well as perform component level testing.
The adapter you have purchased is provided with an RP1210A-compliant interface and has been validated against the following OEM and component applications:
Allison DOC™
Bendix® ACOM
Caterpillar® Electronic Technician
Cummins® Insite™
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