What is wrong with my truck???!!!???

160

Asked by Oct 20, 2015 at 09:54 PM about the 2007 Dodge Ram 1500

Question type: Maintenance & Repair

"I am having a problem with my 2007 dodge ram 1500 larimer 5.7 hemi 4x4.
DTC message u0024 can b bus (-) circuit open and DTC message u0025
can bus (-) circuit low. Have been late for work two days in a row finding
alternative transportation. Sometimes it starts and sometimes it doesn't, also
yesterday all the dash gauges cut out and went to 0. Prepared for my truck
to stall and lose power but kept running. Then everything came back on. do
you have any ides as where to start and any diagrams as to where the
modules are in my truck?

5 Answers

160

also I have noticed power fluctuations from the 12 volt dc power outlet when I have something plugged into it. If that ties into it at all. Trying to list all the symptoms to help diagnose the problem. HELP!!!

44,635

First thing I would do is charge the battery and have it tested. Then I would look VERY CLOSELY at all the battery cable and ground connections including connections at the starter. Any corrosion or loose connections can cause weird things to occur. If you find nothing here proceed with other diagnosis.

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Best Answer
160

Thank you for your response. I replaced the battery and checked all grounds and starter connections.Everything there seems to be fine. Still have the U0025 DTC message. I believe that I have found the problem. I had to replace the TPIM. All of the DTC codes have cleared and the functions that were not operating correctly are back to normal. And it starts!

1 out of 1 people think this is helpful.
160

TIPM totally integrated power module

2 out of 2 people think this is helpful.
44,635

Good deal, appreciate you posting what the trouble was.

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