JOINT GROUP 4V7084 - Caterpillar

Conditions Which Generate This Code:A portion of memory within the PRCM will store the important setpoint information. CID 0268 FMI 02 is present when the setpoint data is invalid, or the setpoint data is out of range. When a diagnostic code is detected, the PRCM will set the affected setpoints to the default value. For additional information regarding the setpoints and the default values, see the topics that are listed below.
Systems Operation, "Setpoint Viewing and Programming"
Systems Operation, "Input/Output Monitoring and Programming"The possible causes of this diagnostic code are listed:
Electrical interference
A sudden power loss during a programming session Clear the diagnostic code from the fault log after the troubleshooting procedure is completed.Test Step 1. CHECK THE SETPOINTSView the setpoints that are stored in the memory of the PRCM. Compare the existing setpoints with the setpoints that are selected by the operator. See Systems Operation, "Setpoint Viewing and Programming" and Systems Operation, "Input/Output Monitoring and Programming".Expected Result:The stored setpoints and the specified setpoints match.Results:
OK - The stored setpoints and the specified setpoints match. Proceed to test step 2.
NOT OK - One or more of the setpoints do not match. Repair: Reprogram the setpoints to the proper value or reprogram the setpoints to a value that is selected by the operator. Proceed to test step 2.Test Step 2. Disconnect the + battery lead and the negative battery lead to the PRCM. Check for an active diagnostic code. Expected Result:The diagnostic code is NOT active.Results:
OK - The diagnostic code is NOT active. Stop.
NOT OK - The diagnostic code is active.Repair: If the diagnostic code remains active, replace the PRCM. See Testing and Adjusting, "PRCM- Replace". Stop.