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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 ((Powertrain Control Module (Pcm) - Electrical Diagnostics - 40TE Automatic Transmission)) >> DTC Troubleshooting >> P0841-LR Pressure Switch Rationality >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
RELATED TRANSMISSION DTCS PRESENT
LOSS OF PRIME DTC PRESENT
(T50) L/R PRESSURE SIGNAL CIRCUIT OPEN
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
(T50) L/R PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  40/41TE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   . 

PRESSURE SWITCH STATES

SHIFT LEVER POSITION L/R 2/4 OD
R OPEN OPEN OPEN
P/N CLOSED OPEN OPEN
1st CLOSED OPEN OPEN
2nd OPEN CLOSED OPEN
D OPEN OPEN CLOSED
OD OPEN CLOSED CLOSED