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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE)) >> DTC Troubleshooting >> P0845-2/4 Hydraulic Pressure Test >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes 
LOSS OF PRIME P0944 PRESENT
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT OPEN
(T47) 2/4 PRESSURE SWITCH Sensor CIRCUIT OPEN
(T47) 2/4 PRESSURE SWITCH CIRCUIT SHORT TO GROUND
(T47) 2/4 PRESSURE SWITCH Sensor CIRCUIT SHORT TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
INTERNAL TRANSMISSION
POWERTRAIN CONTROL MODULE

Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure