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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission) >> DTC Troubleshooting >> P0778-Shift Pressure Solenoid Circuit >> Possible Causes

Possible Causes

Possible Causes
(T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT OPEN
(T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO GROUND
(T77) SHIFT PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT
SHIFT PRESSURE SOLENOID
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  NAG1 TCM - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   . 

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