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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Nag1 Automatic Transmission - Electrical Diagnostics) >> Nag1 - Electrical Diagnostics >> DTC Troubleshooting >> P0748-Modulator Pressure Solenoid Circuit >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
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

Perform NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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