THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A FLASHING PRNDL OR CHECK ENGINE LIGHT ON. ALSO THE TRANSMISSION IS STUCK IN ONE GEAR AND WILL NOT UPSHIFT. IF SERVICE INFORMATION DIAGNOSTICS FOR THE DIAGNOSTIC TROUBLE CODES SETTING DOES NOT LEAD TO A RESOLUTION, THE PRESSURE SWITCH MANIFOLD SHOULD BE REPLACED.
