CIRCUIT DESCRIPTION: This DTC sets if the TCM determines the primary shift selector calibration is invalid.
ACTION TAKEN WHEN THE DTC SETS: 1. The CHECK TRANS light illuminates. 2. DTC is stored in the TCM history. 3. Display may be in the wrong language and/or units (English/Metric) could be formatted incorrectly.
CONDITIONS FOR CLEARING THE DTC: Use the diagnostic tool to clear the DTC from the TCM history. The TCM automatically clears the DTC from the TCM history if the vehicle completes 40 warm-up cycles without failure.