LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Transmission Control Module (TCM) - DTCS P1D94 To U1479 - 8HP45 Automatic Transmission) >> Diagnosis And Testing >> P1DDD-TCM Monitoring Performance - Unable To Disengage Drive Or Reverse >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The purpose of the diagnostic is to detect a failure in the activation of the pressure regulators during gear disengagement or while Neutral or Park position is engaged. This is a rationality check between the activated pressure regulators and the selected driving position.