Questions tagged [uds]

Unified Diagnostic Services, a set of protocols for automotive diagnostics.

The Unified Diagnostics Services (UDS) is a family of protocols that defines how test equipment communicates with Electronic Control Units (ECUs) found in automotive vehicles. It is defined by the International Organization for Standardization (ISO) in various documents, e.g., ISO14229-1.

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Stoneridge Tachograph Remote authentication failed

We are busy trying to remotely authenticate between a tachograph company smart card and a Stoneridge tachograph.but encountered a problem. Whenever we start the authentication, things go pretty well untill the Tachograph sends a GENERAL AUTHENTICATE…
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