Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The following fault table will help determine if a hydraulic circuit or an incorrect position of a valve train component affects the transmission operation.

Component	Cause	DTCs
Automatic Transmission Fluid Pump Cover Assembly	TCC control valve stuck in fluid pump cover assembly	P1751
Automatic Transmission Fluid Pump Cover Assembly	TCC control valve stuck in fluid pump cover assembly	P1751
Control Solenoid (w/body and TCM) Valve Assembly	Shift Solenoid 1: Always exhausting - Stuck On Not exhausting - Stuck Off Needle piston or armature pin binding Control signal fluid supply leak - valve body filter plate assembly cracked or damaged gasket seal Control valve body spacer plate assembly number 4 ball check valve orifice damaged or burred	P1751