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2003 Dodge Intrepid Computer Problems

Tiny
MRBOSLEY
  • MEMBER
  • 2003 DODGE INTREPID
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 75,265 MILES
When hooking the computer up to check what the codes are froma Check Engine light, I receive the following errors P0700 & P1776.

When I reset the computer the car drives fine until the engine light appears again.

I know that the transmission is stuck in Limp Mode, but could this be a CPU problem
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Thursday, November 5th, 2009 AT 1:08 PM

1 Reply

Tiny
CH112063
  • MECHANIC
  • 1,320 POSTS
Yes, but the transmission controller is fused and relay controlled. So try a scan of just the transmission CPU(TCM) and see if it is powered up. A bus or communication error from it could trip the check engine lamp. A bad fuse could cause this, under the hood in the power center also.
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Thursday, November 5th, 2009 AT 7:59 PM

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