2003 Dodge Intrepid Computer Problems

2003 DODGE INTREPID
75,265 MILES • 6 CYL • FWD • AUTOMATIC
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MRBOSLEY
  • MEMBER
  • 1 POST
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
Nov 5, 2009 at 5:08 AM
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CH112063
  • ✓Experienced 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.
Nov 5, 2009 at 11:59 AM
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