DTC Settings Control $ 85 Service

tags: UDS

First, service description

DTC Settings Control Service (CONTROLDTCSETTING) Abbreviation CDTCS Diagnostics Service, the client stops or restores the diagnostic fault code by this diagnostic service.

Open the DTC: Sub-service code is 0x01, the server should continue to update the diagnostic fault code status bit

Turn off the DTC: Sub-service code is 0x02, the server should stop updating the diagnostic fault code status bit

When the DTC shutdown is enabled, if the session jump to $ 85 service, the ECU should continue to update the DTC status bit information; if the diagnostic sends $ 14 service, you can reset the ECU status. It should be noted that the shutdown DTC is not a disabled monitoring.

Second, the service application

The first byte 85 represents the DTC setting control service, the second byte represents a sub-service that is turned off or turned on. To avoid reporting failures during program updates, $ 85 service is usually used when updating.

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