This code indicates that the engine is too cold to start and is currently performing a preheat function. The engine is activating the preheater to prepare for starting. This is a normal procedure to ensure the engine starts safely in cold conditions.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Tractor Equipment Control Unit (TEC). This can result from communication problems, wiring issues, or faults within the TEC or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Cab Switch Module (CSM). This can be due to communication failures, wiring issues, or faults within the CSM or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Chassis Control Unit (CCU). This can occur due to communication problems, faulty wiring, or malfunctions in the CCU or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Active Seat Control Unit (ASU). This can be due to communication failures, wiring issues, or faults within the ASU or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Cab Load Center Control Unit (CLC). This can occur due to communication issues, wiring problems, or faults within the CLC or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Cab Control Unit (CAB). This can result from communication failures, wiring issues, or faults within the CAB or PDU.

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This error code indicates that the Corner Post Display Unit (PDU) is not receiving the required messages from the Corner Post Display Unit itself. This can occur due to internal communication failures, software issues, or hardware faults within the PDU.

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