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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.

Thanks, TDR Staff
  1. G

    2005 PCM problem?

    Thank you! After some of the input from this thread I realized it’s possible that the PCM might be shutting down the fuel pump because of the APPS codes for both APPS signals. No, I’m not jut reading codes and replacing parts. Yes, I can clear the codes with my scan tool. In fact, when I got...
  2. G

    2005 PCM problem?

    I bought the truck new. It has 52K miles on it. This started with A/C not working. Took it to a local repair shop about 4 years ago. They hooked up their Snap On Solus and said “dash controller is bad or PCM is bad, can’t tell for sure”. I replaced dash controller. Still no A/C. I pulled the...
  3. G

    2005 PCM problem?

    Thanks!
  4. G

    2005 PCM problem?

    Thank you!!!
  5. G

    2005 PCM problem?

    No, I measured it with the relay taken out and probing the socket in the TIPM that is the output from the PCM.
  6. G

    2005 PCM problem?

    Yes, I did change the relay. Put a new one in. Testing continuity between theTIPM relay input socket to the connector pin for the PCM, I get 0 ohms resistance. So no problem in the wiring from TIPM relay input to PCM output. When I read the voltage at that same socket (input from PCM to relay...
  7. G

    2005 PCM problem?

    I need a recommendation for PCM repair. I’m getting P0628 low voltage at fuel pump. I can turn the fuel pump on by taking the fuel pump relay out of the TIPM and applying 12 volts to the fuel pump through the relay socket. The schematic I have seems to be wrong? The schematic shows relay pin...
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