LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 2009 >> Durango Base, 4.7 P, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE) >> DTC Troubleshooting >> P0846-2/4 Pressure Switch Rationality >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

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

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

PRESSURE SWITCH STATES

GEAR  L/R  2/4  OD 
P/N  CLOSED OPEN OPEN
OPEN OPEN OPEN
OPEN OPEN CLOSED
OD  OPEN CLOSED CLOSED
2nd  OPEN CLOSED OPEN
1st  CLOSED OPEN OPEN