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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 >> P0748-Modulator Pressure Solenoid Circuit >> Possible Causes

Possible Causes

Possible Causes
(T76) MODULATION PRESSURE SOLENOID CONTROL CIRCUIT OPEN
(T76) MODULATION PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO GROUND
(T76) MODULATION PRESSURE SOLENOID CONTROL CIRCUIT SHORT TO ANOTHER CIRCUIT
MODULATING PRESSURE CONTROL SOLENOID VALVE
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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