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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 >> P0869-Line Pressure High >> 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
LINE PRESSURE SENSOR CONNECTION
(T118) LP VFS CONTROL CIRCUIT OPEN
(T118) LP VFS CONTROL CIRCUIT SHORTED TO GROUND
(F856) 5-VOLT SUPPLY CIRCUIT OPEN
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(T16) TRANSMISSION CONTROL OUTPUT CIRCUIT
LINE PRESSURE SENSOR
STUCK OR STICKING MAIN REGULATOR VALVE
POWERTRAIN CONTROL MODULE (PCM)

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