Normal Operation and Fault Conditions
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With the ignition ON, the SCCM sends messages to the SECM, through the SASM and over the HS-CAN 2. If the SECM does not receive these messages within a certain time frame, the SECM sets a DTC. For information on the messages sent to the SECM by the SCCM, refer to the Network Message Chart in Description and Operation of appropriate Power Steering System article.
SECM DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0212:00 | Lost Communication With Steering Column Control Module: No Sub Type Information | Sets when the SECM detects any of the SCCM messages is missing. This can be due to a SCCM failure, a circuit failure on the HS-CAN2 or an excessive load on the network. |