Possible Causes
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| POOR LINE PRESSURE SENSOR CONNECTION |
| LINE PRESSURE SENSOR |
| TRANSMISSION FLUID CONTAMINATION |
| EXCESSIVE DEBRIS IN OIL PAN |
| (F856) 5-VOLT SUPPLY CIRCUIT OPEN |
| (F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (T48) 4C PRESSURE SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| INTERNAL TRANSMISSION |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .