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Normal Operation and Fault Conditions

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With the ignition ON, the SECM sends messages to the SASM over a private CAN. If the SASM does not receive these messages within a certain time frame (usually less than 1 second), the SASM sets DTCs. For information on the messages sent to the SASM by the SECM, refer to the Network Message Chart in  DESCRIPTION AND OPERATION  . 

PPT AZ SASM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0130:00 Lost Communication With Steering Effort Control Module: No Sub Type Information Sets in continuous memory and on demand when the SASM detects any of the SECM messages are missing. This can be due to a SECM failure, a circuit failure on the private CAN or an excessive load on the network.
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