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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 68RFE Automatic Transmission)) >> DTC Troubleshooting >> P0870-Od Hydraulic Pressure Test >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
LINE PRESSURE SENSOR
TRANSMISSION FLUID CONTAMINATION
RELATED DTCS PRESENT
EXCESSIVE DEBRIS IN OIL PAN
POOR LINE PRESSURE SENSOR CONNECTION
(F856) 5-VOLT SUPPLY CIRCUIT OPEN
TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T9) OD 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. Refer to  STANDARD PROCEDURE  .