Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
TDR Magazine subscribers receive more than the magazine! You also gain additional forum privileges!
Details here: TDR Privileges
Subscribe to TDR Magazine here: https://www.tdr-online.com/
Attention: TDR Forum Junkies To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.
No CCD/J1850 message recieved from Mechanical Instument Cluster (MIC) module.
P1693 - DTC Detected in Companion Module
Kind of a "mystery" code, it means a DTC was set in both the PCM and ECM, sometimes associated with overboost and sometimes with failed injection pumps depending on who you talk to.
P1694 - Fault in Companion Module
No CCD/J1850 message recieved from the powertrain control module-Aisin transmission
Quick question, have you ever had your truck reflashed for any reason? If so that could be the cause of the codes, when the dealer flashed it they set the codes by mistake (been there done that).