P1DD2 Code: Easy Steps to Solve It
The P1DD2 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the communication between the Powertrain Control Module (PCM) and the Transmission Control Module (TCM). Specifically, it signifies a “Torque Request Signal Denied,” which means that the PCM has detected an issue with the signal it receives from the TCM regarding engine torque requests. This situation can lead to various drivability