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TMS570LS0714: Issues with the SDL Analog Loopback Self Test for HET1 Pin0

Kurt Kostrba
Prodigy 10 points
Part Number: TMS570LS0714
I am running into an issue where the SDL Analog Loopback Self Test for HET1 Pin 0 always fails. 
I can run this test on any of the other pins without issue but this will always return false for Pin 0. 
 
Here is an example of the test I am running.
result = SL_SelfTest_HET(HET_ANALOG_LOOPBACK_TEST, SL_HET1, 1U, 0U);
It looks like the following section is preventing the self test from running for Pin 0.
    /* If pins passed as argument are not in range for the case of loopback test, return error. */
    if(testType == HET_ANALOG_LOOPBACK_TEST)
    {
        if((pinOut == (uint32)NULL) || (pinIn == (uint32)NULL))
        {
#if (FUNC_PARAM_CHECK_LOG_ENABLED !=0)
            SL_Log_Error(FUNC_ID_ST_HET, ERR_TYPE_PARAM, 2u);
#endif
            retVal =  FALSE;
            return(retVal);
        }...
Is it possible to run the test on HET Pin0?