P0500 Code

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Mar 18, 2016 | 10:12 AM

E55 Bulldog

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P0500 Code

Hey guys, Im getting a P0500 code. Here is the back story...

The truck was shifting hard, didn't think to much about it because my last truck did the same but in the past month I have had the "O/D OFF" light flash causing the truck to shift erratically and even go into limp mode. Once I pulled over and shut the truck off and started it would be ok. This has happened twice in the last month.

Tranny was rebuilt 600 miles ago (previous owner) so I took it to my tranny shop and the pulled the P0500 code. Cleared the code and the truck ran 100xs better, shifted better, O/D sputter was gone, it was nice. Its been a few days and now the truck is running the same issues. No flashing of the "OD OFF" light but I can tell its shifting hard and running not as smooth. Im about to install a chip and would like this issue sorted before I do to prevent any additional issues.

No ABS lights, speedo seems to be working correctly...

Any ideas on what would cause this intermittent issue?

Ill check the VVS today myself but the tranny guys said everything looked good under there.

Anything else I need to look into?

Mar 18, 2016 | 10:16 AM

z31freakify

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Joined: Dec 2012

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From: Las Cruces New Mexico

Check the connection on the side of the tranny (big electrical plug) to see if its not loose or full of water/oil. Clean it really good and put some dielectric grease.

Mar 18, 2016 | 10:20 AM

E55 Bulldog

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If I some how find and fix the problem will the code reset itself or do I need to take it some where to clear it?

Mar 21, 2016 | 11:57 AM

E55 Bulldog

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All the plugs looked clean and I added some Noalox grease to the VVS but the truck still seems to be shifting a little off. Should I just go ahead and replace the VVS?

Also, how can I clear the code without a scan tool?

Mar 21, 2016 | 12:15 PM

Hussler

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Joined: Sep 2007

Posts: 4,195

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From: Medford Oregon

Disconnect the batteries for 5 min to clear the code ...

<table style="font-size:14" border="1" cellpadding="1" cellspacing="0" width="100%"><tbody><tr bgcolor="D89EC7"><td align="center" valign="top">0500</td> <td align="center" valign="top">VSS</td> <td align="left" valign="top">Vehicle speed sensor malfunction</td> <td align="left" valign="top">Continuous</td> <td align="left" valign="top">Sensor, circuit, PCM, PSOM, low trans fluid</td></tr></tbody></table>